While I tried to collect lines in paralel, an error popup:

>> Battery_Array_tmp
Error using Battery_Array_tmp (line 33)
The first port already has a line connection
%%% connect minus to plus ports:
if v>1
add_line(mdl,PH_Add_MC_cube{v-1,i}.LConn(2),PH_Add_MC_cube{v,i}.LConn(2),’Autorouting’,’on’);
end

Can someone assist to solve it?
I adding part of rellevant script:

%%%% Scriptto creat top design – withot Batteries/
%%%% only to speedup simulation time during debug Block connections
open_system(‘Battery_arc_tmp’)
mdl = ‘Battery_arc_tmp’;
battery_model = find_system(mdl,’FindAll’,’on’,’Name’,’Battery_arc_tmp’);
numRows = 3;

% Get handle to existing (external) POS and NEG ports
Plus_MC = find_system(mdl,’LookUnderMasks’,’All’,’FindAll’,’on’,’Name’,’POS’);
Minus_MC = find_system(mdl,’LookUnderMasks’,’All’,’FindAll’,’on’,’Name’,’NEG’);

%%% add MC_cube – basic String_unit:
for i=1:2 %% set two columns
colPos = 500; %% spaces between columns
for v=1:numRows %% loop for 5 String per column
nl=num2str(v + numRows*(i-1));
if i==1
% Add_MC_cube(v) = add_block(‘MC_Cube/STRING_MC_Cube 1’, [mdl,’/STRING_MC_Cube ‘,nl]);
% % % % % % MC_TMP empty Submodule – only for quick compilation….
Add_MC_cube(v) = add_block(‘MC_TMP/STRING_MC_Cube 1’, [mdl,’/STRING_MC_Cube ‘,nl]);
else
% Add_MC_cube(v) = add_block(‘MC_Cube2/STRING_MC_Cube 1’, [mdl,’/STRING_MC_Cube ‘,nl]);
% % % % % % MC_TMP empty Submodule – only for quick compilation….
Add_MC_cube(v) = add_block(‘MC_TMP2/STRING_MC_Cube 1’, [mdl,’/STRING_MC_Cube ‘,nl]);
end

posc = get(Add_MC_cube(v),’Position’);
set(Add_MC_cube(v),’Position’,posc + [100+(i-1)*colPos 100*(v-1)+45 100+(i-1)*colPos 100*(v-1)+45])
PH_Add_MC_cube{v,i}=get(Add_MC_cube(v),’PortHandles’);

%%% connect minus to plus ports:
if v>1
add_line(mdl,PH_Add_MC_cube{v-1,i}.LConn(2),PH_Add_MC_cube{v,i}.LConn(2),’Autorouting’,’on’);
end
end
end

while connecting 2 module there is no problem/
But when increase above 2 module i gos an error message (above)..
please, see pic attached…

Thank for assist.
TommyWhile I tried to collect lines in paralel, an error popup:

>> Battery_Array_tmp
Error using Battery_Array_tmp (line 33)
The first port already has a line connection
%%% connect minus to plus ports:
if v>1
add_line(mdl,PH_Add_MC_cube{v-1,i}.LConn(2),PH_Add_MC_cube{v,i}.LConn(2),’Autorouting’,’on’);
end

Can someone assist to solve it?
I adding part of rellevant script:

%%%% Scriptto creat top design – withot Batteries/
%%%% only to speedup simulation time during debug Block connections
open_system(‘Battery_arc_tmp’)
mdl = ‘Battery_arc_tmp’;
battery_model = find_system(mdl,’FindAll’,’on’,’Name’,’Battery_arc_tmp’);
numRows = 3;

% Get handle to existing (external) POS and NEG ports
Plus_MC = find_system(mdl,’LookUnderMasks’,’All’,’FindAll’,’on’,’Name’,’POS’);
Minus_MC = find_system(mdl,’LookUnderMasks’,’All’,’FindAll’,’on’,’Name’,’NEG’);

%%% add MC_cube – basic String_unit:
for i=1:2 %% set two columns
colPos = 500; %% spaces between columns
for v=1:numRows %% loop for 5 String per column
nl=num2str(v + numRows*(i-1));
if i==1
% Add_MC_cube(v) = add_block(‘MC_Cube/STRING_MC_Cube 1’, [mdl,’/STRING_MC_Cube ‘,nl]);
% % % % % % MC_TMP empty Submodule – only for quick compilation….
Add_MC_cube(v) = add_block(‘MC_TMP/STRING_MC_Cube 1’, [mdl,’/STRING_MC_Cube ‘,nl]);
else
% Add_MC_cube(v) = add_block(‘MC_Cube2/STRING_MC_Cube 1’, [mdl,’/STRING_MC_Cube ‘,nl]);
% % % % % % MC_TMP empty Submodule – only for quick compilation….
Add_MC_cube(v) = add_block(‘MC_TMP2/STRING_MC_Cube 1’, [mdl,’/STRING_MC_Cube ‘,nl]);
end

posc = get(Add_MC_cube(v),’Position’);
set(Add_MC_cube(v),’Position’,posc + [100+(i-1)*colPos 100*(v-1)+45 100+(i-1)*colPos 100*(v-1)+45])
PH_Add_MC_cube{v,i}=get(Add_MC_cube(v),’PortHandles’);

%%% connect minus to plus ports:
if v>1
add_line(mdl,PH_Add_MC_cube{v-1,i}.LConn(2),PH_Add_MC_cube{v,i}.LConn(2),’Autorouting’,’on’);
end
end
end

while connecting 2 module there is no problem/
But when increase above 2 module i gos an error message (above)..
please, see pic attached…

Thank for assist.
Tommy While I tried to collect lines in paralel, an error popup:

>> Battery_Array_tmp
Error using Battery_Array_tmp (line 33)
The first port already has a line connection
%%% connect minus to plus ports:
if v>1
add_line(mdl,PH_Add_MC_cube{v-1,i}.LConn(2),PH_Add_MC_cube{v,i}.LConn(2),’Autorouting’,’on’);
end

Can someone assist to solve it?
I adding part of rellevant script:

%%%% Scriptto creat top design – withot Batteries/
%%%% only to speedup simulation time during debug Block connections
open_system(‘Battery_arc_tmp’)
mdl = ‘Battery_arc_tmp’;
battery_model = find_system(mdl,’FindAll’,’on’,’Name’,’Battery_arc_tmp’);
numRows = 3;

% Get handle to existing (external) POS and NEG ports
Plus_MC = find_system(mdl,’LookUnderMasks’,’All’,’FindAll’,’on’,’Name’,’POS’);
Minus_MC = find_system(mdl,’LookUnderMasks’,’All’,’FindAll’,’on’,’Name’,’NEG’);

%%% add MC_cube – basic String_unit:
for i=1:2 %% set two columns
colPos = 500; %% spaces between columns
for v=1:numRows %% loop for 5 String per column
nl=num2str(v + numRows*(i-1));
if i==1
% Add_MC_cube(v) = add_block(‘MC_Cube/STRING_MC_Cube 1’, [mdl,’/STRING_MC_Cube ‘,nl]);
% % % % % % MC_TMP empty Submodule – only for quick compilation….
Add_MC_cube(v) = add_block(‘MC_TMP/STRING_MC_Cube 1’, [mdl,’/STRING_MC_Cube ‘,nl]);
else
% Add_MC_cube(v) = add_block(‘MC_Cube2/STRING_MC_Cube 1’, [mdl,’/STRING_MC_Cube ‘,nl]);
% % % % % % MC_TMP empty Submodule – only for quick compilation….
Add_MC_cube(v) = add_block(‘MC_TMP2/STRING_MC_Cube 1’, [mdl,’/STRING_MC_Cube ‘,nl]);
end

posc = get(Add_MC_cube(v),’Position’);
set(Add_MC_cube(v),’Position’,posc + [100+(i-1)*colPos 100*(v-1)+45 100+(i-1)*colPos 100*(v-1)+45])
PH_Add_MC_cube{v,i}=get(Add_MC_cube(v),’PortHandles’);

%%% connect minus to plus ports:
if v>1
add_line(mdl,PH_Add_MC_cube{v-1,i}.LConn(2),PH_Add_MC_cube{v,i}.LConn(2),’Autorouting’,’on’);
end
end
end

while connecting 2 module there is no problem/
But when increase above 2 module i gos an error message (above)..
please, see pic attached…

Thank for assist.
Tommy matlab, simulink MATLAB Answers — New Questions

​

Here is the code：
clear all
clc
close all
load angles.mat
load vertices.mat
[vectors(:,1), vectors(:,2), vectors(:,3)] = sph2cart(angle_phi_theta(:,1), angle_phi_theta(:,2), 1);
quiver3(vertex_segment(:,1),vertex_segment(:,2),vertex_segment(:,3),…
vectors(:,1),vectors(:,2),vectors(:,3),0.8,’Color’,’green’,’LineWidth’,1);hold on;

The results:

Problem: I think the resulting vectors should converge uniformly or diverge uniformly, but why do they alternate like this? What went wrong?Here is the code：
clear all
clc
close all
load angles.mat
load vertices.mat
[vectors(:,1), vectors(:,2), vectors(:,3)] = sph2cart(angle_phi_theta(:,1), angle_phi_theta(:,2), 1);
quiver3(vertex_segment(:,1),vertex_segment(:,2),vertex_segment(:,3),…
vectors(:,1),vectors(:,2),vectors(:,3),0.8,’Color’,’green’,’LineWidth’,1);hold on;

The results:

Problem: I think the resulting vectors should converge uniformly or diverge uniformly, but why do they alternate like this? What went wrong? Here is the code：
clear all
clc
close all
load angles.mat
load vertices.mat
[vectors(:,1), vectors(:,2), vectors(:,3)] = sph2cart(angle_phi_theta(:,1), angle_phi_theta(:,2), 1);
quiver3(vertex_segment(:,1),vertex_segment(:,2),vertex_segment(:,3),…
vectors(:,1),vectors(:,2),vectors(:,3),0.8,’Color’,’green’,’LineWidth’,1);hold on;

The results:

Problem: I think the resulting vectors should converge uniformly or diverge uniformly, but why do they alternate like this? What went wrong? coordinate transformation, sph2cart, vectors MATLAB Answers — New Questions

​

I upgraded from MATLAB/SIMULINK 2023 to 2024. When trying to rerun the simulation that had run in 2023 I get:
"
Error:Unable to update models referenced by ‘plant’.
Caused by:
The corresponding ‘decay_heat_SF.tlc’ file for the MATLAB S-function ‘decay_heat_SF’ in block ‘decay_heat/Level-2 MATLAB S-Function’ must be located in the current working directory, the MATLAB S-function directory ‘D:OneDriveUSNCControl DesignDecay Heat’, or the directory ‘D:OneDriveUSNCControl DesignDecay Heattlc_c’
"
Under 2023b no "decay_heat_SF.tlc" was generated or needed.
When running "decay_heat_SF" as a standalone model it runs. When added as a sub-model in "plant" it gives this error.
Can someone help?I upgraded from MATLAB/SIMULINK 2023 to 2024. When trying to rerun the simulation that had run in 2023 I get:
"
Error:Unable to update models referenced by ‘plant’.
Caused by:
The corresponding ‘decay_heat_SF.tlc’ file for the MATLAB S-function ‘decay_heat_SF’ in block ‘decay_heat/Level-2 MATLAB S-Function’ must be located in the current working directory, the MATLAB S-function directory ‘D:OneDriveUSNCControl DesignDecay Heat’, or the directory ‘D:OneDriveUSNCControl DesignDecay Heattlc_c’
"
Under 2023b no "decay_heat_SF.tlc" was generated or needed.
When running "decay_heat_SF" as a standalone model it runs. When added as a sub-model in "plant" it gives this error.
Can someone help? I upgraded from MATLAB/SIMULINK 2023 to 2024. When trying to rerun the simulation that had run in 2023 I get:
"
Error:Unable to update models referenced by ‘plant’.
Caused by:
The corresponding ‘decay_heat_SF.tlc’ file for the MATLAB S-function ‘decay_heat_SF’ in block ‘decay_heat/Level-2 MATLAB S-Function’ must be located in the current working directory, the MATLAB S-function directory ‘D:OneDriveUSNCControl DesignDecay Heat’, or the directory ‘D:OneDriveUSNCControl DesignDecay Heattlc_c’
"
Under 2023b no "decay_heat_SF.tlc" was generated or needed.
When running "decay_heat_SF" as a standalone model it runs. When added as a sub-model in "plant" it gives this error.
Can someone help? upgrade, tlc MATLAB Answers — New Questions

​

Is it possible to disable Tab completion in the MATLAB Editor and Command Window?Is it possible to disable Tab completion in the MATLAB Editor and Command Window? Is it possible to disable Tab completion in the MATLAB Editor and Command Window? disable, tab, completion MATLAB Answers — New Questions

​

During the installation of Matlab 2015a, at a level of 99% a pop-up window appeared with the following notification: " Unknown Error. The application encountered an unexpected error and needs to close. You may want to try re-installing your product(s). More information can be found at C:users…Tempmathworks_cform.log".
Why does this error appear during installation?
How can I solve that?During the installation of Matlab 2015a, at a level of 99% a pop-up window appeared with the following notification: " Unknown Error. The application encountered an unexpected error and needs to close. You may want to try re-installing your product(s). More information can be found at C:users…Tempmathworks_cform.log".
Why does this error appear during installation?
How can I solve that? During the installation of Matlab 2015a, at a level of 99% a pop-up window appeared with the following notification: " Unknown Error. The application encountered an unexpected error and needs to close. You may want to try re-installing your product(s). More information can be found at C:users…Tempmathworks_cform.log".
Why does this error appear during installation?
How can I solve that? error, installation MATLAB Answers — New Questions

​

I am attempting to create a class the will have two line ROI objects. This class should have a callback function for when the lines are moved by the user. I am able to add a listener to the lines but only if the callback function is static.
Is it possible to do this without using a static method? Ultimatly I would like to use the callback method to compare the positions of the two lines as one of them is moved.
classdef imageRange < handle

properties
region double
line1
line2
rect
X double
end

methods
function obj = imageRange(axes, dataAxes)
x = dataAxes{1,4};
y = dataAxes{2,4};
midpoint = mean([x(1),x(3)]);

obj.X = floor(midpoint);

obj.rect = rectangle(axes,’Position’,[obj.X,y(1),…
ceil(midpoint)-floor(midpoint), y(3) – y(1)]);
obj.rect.EdgeColor = [0,0,0,0];
obj.rect.FaceColor = [.5,.5,.5];
obj.rect.FaceAlpha = .1;

obj.line1 = drawline(axes,’Position’,[floor(midpoint), y(1); …
floor(midpoint), y(3)],’Color’,[0.6350 0.0780 0.1840], …
‘InteractionsAllowed’,’translate’, …
‘MarkerSize’,.1, …
‘LineWidth’,1);

addlistener(obj.line1, ‘MovingROI’, @(src,event)obj.allevents(src,event));

obj.line2 = drawline(axes,’Position’,[ceil(midpoint), y(1); …
ceil(midpoint), y(3)],’Color’,[0 0.4470 0.7410], …
‘InteractionsAllowed’,’translate’, …
‘MarkerSize’,.1, …
‘LineWidth’,1);

obj.region = dataAxes{1,5};
end
end

methods (Static)
function allevents(src,event)
event.PreviousPosition(1,1)
end
end
endI am attempting to create a class the will have two line ROI objects. This class should have a callback function for when the lines are moved by the user. I am able to add a listener to the lines but only if the callback function is static.
Is it possible to do this without using a static method? Ultimatly I would like to use the callback method to compare the positions of the two lines as one of them is moved.
classdef imageRange < handle

properties
region double
line1
line2
rect
X double
end

methods
function obj = imageRange(axes, dataAxes)
x = dataAxes{1,4};
y = dataAxes{2,4};
midpoint = mean([x(1),x(3)]);

obj.X = floor(midpoint);

obj.rect = rectangle(axes,’Position’,[obj.X,y(1),…
ceil(midpoint)-floor(midpoint), y(3) – y(1)]);
obj.rect.EdgeColor = [0,0,0,0];
obj.rect.FaceColor = [.5,.5,.5];
obj.rect.FaceAlpha = .1;

obj.line1 = drawline(axes,’Position’,[floor(midpoint), y(1); …
floor(midpoint), y(3)],’Color’,[0.6350 0.0780 0.1840], …
‘InteractionsAllowed’,’translate’, …
‘MarkerSize’,.1, …
‘LineWidth’,1);

addlistener(obj.line1, ‘MovingROI’, @(src,event)obj.allevents(src,event));

obj.line2 = drawline(axes,’Position’,[ceil(midpoint), y(1); …
ceil(midpoint), y(3)],’Color’,[0 0.4470 0.7410], …
‘InteractionsAllowed’,’translate’, …
‘MarkerSize’,.1, …
‘LineWidth’,1);

obj.region = dataAxes{1,5};
end
end

methods (Static)
function allevents(src,event)
event.PreviousPosition(1,1)
end
end
end I am attempting to create a class the will have two line ROI objects. This class should have a callback function for when the lines are moved by the user. I am able to add a listener to the lines but only if the callback function is static.
Is it possible to do this without using a static method? Ultimatly I would like to use the callback method to compare the positions of the two lines as one of them is moved.
classdef imageRange < handle

properties
region double
line1
line2
rect
X double
end

methods
function obj = imageRange(axes, dataAxes)
x = dataAxes{1,4};
y = dataAxes{2,4};
midpoint = mean([x(1),x(3)]);

obj.X = floor(midpoint);

obj.rect = rectangle(axes,’Position’,[obj.X,y(1),…
ceil(midpoint)-floor(midpoint), y(3) – y(1)]);
obj.rect.EdgeColor = [0,0,0,0];
obj.rect.FaceColor = [.5,.5,.5];
obj.rect.FaceAlpha = .1;

obj.line1 = drawline(axes,’Position’,[floor(midpoint), y(1); …
floor(midpoint), y(3)],’Color’,[0.6350 0.0780 0.1840], …
‘InteractionsAllowed’,’translate’, …
‘MarkerSize’,.1, …
‘LineWidth’,1);

addlistener(obj.line1, ‘MovingROI’, @(src,event)obj.allevents(src,event));

obj.line2 = drawline(axes,’Position’,[ceil(midpoint), y(1); …
ceil(midpoint), y(3)],’Color’,[0 0.4470 0.7410], …
‘InteractionsAllowed’,’translate’, …
‘MarkerSize’,.1, …
‘LineWidth’,1);

obj.region = dataAxes{1,5};
end
end

methods (Static)
function allevents(src,event)
event.PreviousPosition(1,1)
end
end
end static methods, class MATLAB Answers — New Questions

​

I have to solve the sistem of differential equation odesys with the condition imposed in bc vector. I obtain the "Invalid Initial Condition" at the line where v is defined, even if the domain for the boundary condition is correct. I must keep it a symbolic solution and a0 is a costant.

%% ANALYTICAL MODEL FOR A DCB SPECIMEN UNDER THE CONDITION OF PRESCRIBED DISPLACEMENTS
%% Linear Elastic Phase
%———
syms x d v0(x) v1(x) v2(x) Lcz
%———
phi0 = -diff(v0,x);
M0 = E*I*diff(v0,x,2);
T0 = E*I*diff(v0,x,3);
phi1 = -diff(v1,x);
M1 = E*I*diff(v1,x,2);
T1 = E*I*diff(v1,x,3);
phi2 = -diff(v2,x);
M2 = E*I*diff(v2,x,2);
T2 = E*I*diff(v2,x,3);
%———
ode_0 = diff(v0,x,4) == 0;
ode_1 = diff(v1,x,4) – 2*w*(lambda^2)*diff(v1,x,2) + (lambda^4)*v1 == 0;
ode_2 = diff(v2,x,4) + 2*ps*(k^2)*diff(v2,x,2) – k^4*(v2 – d_c/2) == 0;
%———
syms xL xR xI
xL = -a0 – Lcz;
xI = -Lcz;
xR = L – a0 – Lcz;
c1 = v0(xL) == d/2;
c2 = M0(xL) == 0;
c3 = v0(xI) == v2(xI);
c4 = phi0(xI) == phi2(xI);
c5 = M0(xI) == M2(xI);
c6 = T0(xI) == T2(xI);
c7 = v1(0) == v2(0);
c8 = phi1(0) == phi2(0);
c9 = M1(0) == M2(0);
c10 = T1(0) == T2(0);
c11 = v1(xR) == 0;
c12 = phi1(xR) == 0;
%———
odesys = [ode_0; ode_1; ode_2];
bc = [c1; c2; c3; c4; c5; c6; c7; c8; c9; c10; c11; c12];
v = dsolve(odesys, bc);
%———
v1_sol(x,d,Lcz) = simplify(v.v1);
v0_sol(x,d,Lcz) = simplify(v.v0);
v2_sol(x,d,Lcz) = simplify(v.v2);
phi0_sol(x,d,Lcz) = diff(v0_sol,x);
phi1_sol(x,d,Lcz) = diff(v1_sol,x);
phi2_sol(x,d,Lcz) = diff(v2_sol,x);
M0_sol(x,d,Lcz) = E*I*diff(v0_sol,x,2);
M1_sol(x,d,Lcz) = E*I*diff(v1_sol,x,2);
M2_sol(x,d,Lcz) = E*I*diff(v2_sol,x,2);
T0_sol(x,d,Lcz) = E*I*diff(v0_sol,x,3);
T1_sol(x,d,Lcz) = E*I*diff(v1_sol,x,3);
T2_sol(x,d,Lcz) = E*I*diff(v2_sol,x,3);
%———
d_lim = solve(v0_sol(0,d,0) == d_0/2,d);
% d_max = solve(v0_sol(0,d,0) == d_0/2,d);
% Lcz_max = solve(v2_sol(-Lcz,d_max,Lcz) – d_c/2 == 0, x,[0 50]);
[d_max, Lcz_max] = solve([v1_sol(0,d,Lcz) – d_0/2 == 0, v2_sol(-Lcz,d_max,Lcz) – d_c/2 == 0],[d,Lcz]);I have to solve the sistem of differential equation odesys with the condition imposed in bc vector. I obtain the "Invalid Initial Condition" at the line where v is defined, even if the domain for the boundary condition is correct. I must keep it a symbolic solution and a0 is a costant.

%% ANALYTICAL MODEL FOR A DCB SPECIMEN UNDER THE CONDITION OF PRESCRIBED DISPLACEMENTS
%% Linear Elastic Phase
%———
syms x d v0(x) v1(x) v2(x) Lcz
%———
phi0 = -diff(v0,x);
M0 = E*I*diff(v0,x,2);
T0 = E*I*diff(v0,x,3);
phi1 = -diff(v1,x);
M1 = E*I*diff(v1,x,2);
T1 = E*I*diff(v1,x,3);
phi2 = -diff(v2,x);
M2 = E*I*diff(v2,x,2);
T2 = E*I*diff(v2,x,3);
%———
ode_0 = diff(v0,x,4) == 0;
ode_1 = diff(v1,x,4) – 2*w*(lambda^2)*diff(v1,x,2) + (lambda^4)*v1 == 0;
ode_2 = diff(v2,x,4) + 2*ps*(k^2)*diff(v2,x,2) – k^4*(v2 – d_c/2) == 0;
%———
syms xL xR xI
xL = -a0 – Lcz;
xI = -Lcz;
xR = L – a0 – Lcz;
c1 = v0(xL) == d/2;
c2 = M0(xL) == 0;
c3 = v0(xI) == v2(xI);
c4 = phi0(xI) == phi2(xI);
c5 = M0(xI) == M2(xI);
c6 = T0(xI) == T2(xI);
c7 = v1(0) == v2(0);
c8 = phi1(0) == phi2(0);
c9 = M1(0) == M2(0);
c10 = T1(0) == T2(0);
c11 = v1(xR) == 0;
c12 = phi1(xR) == 0;
%———
odesys = [ode_0; ode_1; ode_2];
bc = [c1; c2; c3; c4; c5; c6; c7; c8; c9; c10; c11; c12];
v = dsolve(odesys, bc);
%———
v1_sol(x,d,Lcz) = simplify(v.v1);
v0_sol(x,d,Lcz) = simplify(v.v0);
v2_sol(x,d,Lcz) = simplify(v.v2);
phi0_sol(x,d,Lcz) = diff(v0_sol,x);
phi1_sol(x,d,Lcz) = diff(v1_sol,x);
phi2_sol(x,d,Lcz) = diff(v2_sol,x);
M0_sol(x,d,Lcz) = E*I*diff(v0_sol,x,2);
M1_sol(x,d,Lcz) = E*I*diff(v1_sol,x,2);
M2_sol(x,d,Lcz) = E*I*diff(v2_sol,x,2);
T0_sol(x,d,Lcz) = E*I*diff(v0_sol,x,3);
T1_sol(x,d,Lcz) = E*I*diff(v1_sol,x,3);
T2_sol(x,d,Lcz) = E*I*diff(v2_sol,x,3);
%———
d_lim = solve(v0_sol(0,d,0) == d_0/2,d);
% d_max = solve(v0_sol(0,d,0) == d_0/2,d);
% Lcz_max = solve(v2_sol(-Lcz,d_max,Lcz) – d_c/2 == 0, x,[0 50]);
[d_max, Lcz_max] = solve([v1_sol(0,d,Lcz) – d_0/2 == 0, v2_sol(-Lcz,d_max,Lcz) – d_c/2 == 0],[d,Lcz]); I have to solve the sistem of differential equation odesys with the condition imposed in bc vector. I obtain the "Invalid Initial Condition" at the line where v is defined, even if the domain for the boundary condition is correct. I must keep it a symbolic solution and a0 is a costant.

%% ANALYTICAL MODEL FOR A DCB SPECIMEN UNDER THE CONDITION OF PRESCRIBED DISPLACEMENTS
%% Linear Elastic Phase
%———
syms x d v0(x) v1(x) v2(x) Lcz
%———
phi0 = -diff(v0,x);
M0 = E*I*diff(v0,x,2);
T0 = E*I*diff(v0,x,3);
phi1 = -diff(v1,x);
M1 = E*I*diff(v1,x,2);
T1 = E*I*diff(v1,x,3);
phi2 = -diff(v2,x);
M2 = E*I*diff(v2,x,2);
T2 = E*I*diff(v2,x,3);
%———
ode_0 = diff(v0,x,4) == 0;
ode_1 = diff(v1,x,4) – 2*w*(lambda^2)*diff(v1,x,2) + (lambda^4)*v1 == 0;
ode_2 = diff(v2,x,4) + 2*ps*(k^2)*diff(v2,x,2) – k^4*(v2 – d_c/2) == 0;
%———
syms xL xR xI
xL = -a0 – Lcz;
xI = -Lcz;
xR = L – a0 – Lcz;
c1 = v0(xL) == d/2;
c2 = M0(xL) == 0;
c3 = v0(xI) == v2(xI);
c4 = phi0(xI) == phi2(xI);
c5 = M0(xI) == M2(xI);
c6 = T0(xI) == T2(xI);
c7 = v1(0) == v2(0);
c8 = phi1(0) == phi2(0);
c9 = M1(0) == M2(0);
c10 = T1(0) == T2(0);
c11 = v1(xR) == 0;
c12 = phi1(xR) == 0;
%———
odesys = [ode_0; ode_1; ode_2];
bc = [c1; c2; c3; c4; c5; c6; c7; c8; c9; c10; c11; c12];
v = dsolve(odesys, bc);
%———
v1_sol(x,d,Lcz) = simplify(v.v1);
v0_sol(x,d,Lcz) = simplify(v.v0);
v2_sol(x,d,Lcz) = simplify(v.v2);
phi0_sol(x,d,Lcz) = diff(v0_sol,x);
phi1_sol(x,d,Lcz) = diff(v1_sol,x);
phi2_sol(x,d,Lcz) = diff(v2_sol,x);
M0_sol(x,d,Lcz) = E*I*diff(v0_sol,x,2);
M1_sol(x,d,Lcz) = E*I*diff(v1_sol,x,2);
M2_sol(x,d,Lcz) = E*I*diff(v2_sol,x,2);
T0_sol(x,d,Lcz) = E*I*diff(v0_sol,x,3);
T1_sol(x,d,Lcz) = E*I*diff(v1_sol,x,3);
T2_sol(x,d,Lcz) = E*I*diff(v2_sol,x,3);
%———
d_lim = solve(v0_sol(0,d,0) == d_0/2,d);
% d_max = solve(v0_sol(0,d,0) == d_0/2,d);
% Lcz_max = solve(v2_sol(-Lcz,d_max,Lcz) – d_c/2 == 0, x,[0 50]);
[d_max, Lcz_max] = solve([v1_sol(0,d,Lcz) – d_0/2 == 0, v2_sol(-Lcz,d_max,Lcz) – d_c/2 == 0],[d,Lcz]); dsolve, ode, symbolic MATLAB Answers — New Questions

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Hi everyone,
I’m new to MATLAB, SPM and CAT12, and I’m learning how to perform Voxel-Based Morphometry .
I’ve already preprocessed a T1-weighted MRI image using CAT12 and obtained TIV statis. Now I’d like to extract regional gray matter volume information from the mwp1.nii file, based on anatomical regions defined by an atlas (e.g., AAL atlas).
Could someone please guide me on how to do this?
Thanks in advance!Hi everyone,
I’m new to MATLAB, SPM and CAT12, and I’m learning how to perform Voxel-Based Morphometry .
I’ve already preprocessed a T1-weighted MRI image using CAT12 and obtained TIV statis. Now I’d like to extract regional gray matter volume information from the mwp1.nii file, based on anatomical regions defined by an atlas (e.g., AAL atlas).
Could someone please guide me on how to do this?
Thanks in advance! Hi everyone,
I’m new to MATLAB, SPM and CAT12, and I’m learning how to perform Voxel-Based Morphometry .
I’ve already preprocessed a T1-weighted MRI image using CAT12 and obtained TIV statis. Now I’d like to extract regional gray matter volume information from the mwp1.nii file, based on anatomical regions defined by an atlas (e.g., AAL atlas).
Could someone please guide me on how to do this?
Thanks in advance! image segmentation, cat12, spm, mri, gray matter MATLAB Answers — New Questions

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Hi,
As far as I read from the MATLAB website, the tools such as Matlab, Simulink, Embedded Coder,… are already ISO/IEC certified tools, but then, I am confused on the need for separate IEC certification kit available, to qualify those tools? Could you please clarify?
Thanks in advanceHi,
As far as I read from the MATLAB website, the tools such as Matlab, Simulink, Embedded Coder,… are already ISO/IEC certified tools, but then, I am confused on the need for separate IEC certification kit available, to qualify those tools? Could you please clarify?
Thanks in advance Hi,
As far as I read from the MATLAB website, the tools such as Matlab, Simulink, Embedded Coder,… are already ISO/IEC certified tools, but then, I am confused on the need for separate IEC certification kit available, to qualify those tools? Could you please clarify?
Thanks in advance iec61508, iso26262, toolbox, certification MATLAB Answers — New Questions

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Hello all,
I’m working on a project that was coded in 2014a version and trying to bring it up the MatLab versions. I tried to bring it from the 2014a to 2016a version but I seem to have an issue with how the Object Oriented Programming files are handled by Matlab.
Here’s a ‘picture’ of my directory :
I have an issue where Matlab says that :
Warning: ‘bbb.ccc.ddd.eee.fff.ggg.B_AutomaticTransformation’ exceeds MATLAB’s maximum name length of 63 characters
and has been truncated to ‘bbb.ccc.ddd.eee.fff.ggg.B_AutomaticTransformatio’.
….
Undefined variable "aaa" or class "aaa.bbb.ccc.ddd.eee.fff.ggg.B_AutomaticTransformatio".
Error in … (line …)
oPlugin = aaa.(sPlugin(6:end))(this, oParent, oGUI, varargin{:});

Has something changed in the way files and folders are handled my Matlab / OOP in the transition from 2014a to 2016a as it’s working in the 2014a version?

Also, I’m going from 2014a to 2023b versions of Matlab. Is a ‘stop’ at the 2016a version before going to the 2023b version worth it?

Thanks !Hello all,
I’m working on a project that was coded in 2014a version and trying to bring it up the MatLab versions. I tried to bring it from the 2014a to 2016a version but I seem to have an issue with how the Object Oriented Programming files are handled by Matlab.
Here’s a ‘picture’ of my directory :
I have an issue where Matlab says that :
Warning: ‘bbb.ccc.ddd.eee.fff.ggg.B_AutomaticTransformation’ exceeds MATLAB’s maximum name length of 63 characters
and has been truncated to ‘bbb.ccc.ddd.eee.fff.ggg.B_AutomaticTransformatio’.
….
Undefined variable "aaa" or class "aaa.bbb.ccc.ddd.eee.fff.ggg.B_AutomaticTransformatio".
Error in … (line …)
oPlugin = aaa.(sPlugin(6:end))(this, oParent, oGUI, varargin{:});

Has something changed in the way files and folders are handled my Matlab / OOP in the transition from 2014a to 2016a as it’s working in the 2014a version?

Also, I’m going from 2014a to 2023b versions of Matlab. Is a ‘stop’ at the 2016a version before going to the 2023b version worth it?

Thanks ! Hello all,
I’m working on a project that was coded in 2014a version and trying to bring it up the MatLab versions. I tried to bring it from the 2014a to 2016a version but I seem to have an issue with how the Object Oriented Programming files are handled by Matlab.
Here’s a ‘picture’ of my directory :
I have an issue where Matlab says that :
Warning: ‘bbb.ccc.ddd.eee.fff.ggg.B_AutomaticTransformation’ exceeds MATLAB’s maximum name length of 63 characters
and has been truncated to ‘bbb.ccc.ddd.eee.fff.ggg.B_AutomaticTransformatio’.
….
Undefined variable "aaa" or class "aaa.bbb.ccc.ddd.eee.fff.ggg.B_AutomaticTransformatio".
Error in … (line …)
oPlugin = aaa.(sPlugin(6:end))(this, oParent, oGUI, varargin{:});

Has something changed in the way files and folders are handled my Matlab / OOP in the transition from 2014a to 2016a as it’s working in the 2014a version?

Also, I’m going from 2014a to 2023b versions of Matlab. Is a ‘stop’ at the 2016a version before going to the 2023b version worth it?

Thanks ! oop, structures MATLAB Answers — New Questions

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