app designer error: Attempt to add “theta” to a static workspace.
Hello, i wrote a code and it works while running the script. but when i use it in an app this error shows up Attempt to add "theta" to a static workspace. can somebody help me out. thanks
The code:
%% Constants and parameters
J1 = 1; % Polarization of outer magnet
J2 = 1; % Polarization of inner magnet
u0 = pi*4e-7; % Magnetic constant
%% Position vectors, define appropriately
r = [0.25, 0.3, 0.20 , 0.24]; % radius of magnets (outer to inner)
z = [0.05, 0.15, 0.08, 0.18]; % z cordinate of magnets (outer to inner)
%% main function g
g = @(a, b, c) computeG(a, b, c);
% Initialize F_Z
F_Z = 0;
% Compute F_Z based on the given formula
for i = 1:2
for k = 1:2
for j = 3:4
for l = 3:4
deltaZ = z(k) – z(l);
ri2 = r(i)^2;
rj2 = r(j)^2;
Fijkl = r(i) * r(j) * g(deltaZ, ri2+rj2+deltaZ^2, -2 * r(i) * r(j));
power = 1 + i + j + k + l;
F_Z = F_Z + ((-1)^power) * Fijkl;
end
end
end
end
F_Z = ((J1 * J2) / (2 * u0)) * F_Z;
%% Define the function computeG
function result = computeG(a, b, c)
A = (a^2 – b) / c * pi + sqrt(c^2 – (a^2 – b)^2) / c *(log((-16 * c^2) / ((c^2 – (a^2 – b)^2)^1.5)) + log(c^2 / ((c^2 – (a^2 – b)^2)^1.5)));
S = computeS(a, b, c);
result = A + S;
end
%% Define the function computeS
function S = computeS(a, b, c)
% Define constants
epsilon = c / (c – b);
beta = (b + c) / (b – c);
mu = c / (b + c);
% Calculate terms for S
term1 = (2 * 1i * a) / (c * sqrt(b + c)) * …
((b + c) * ellipticE(asin(sqrt(beta)), beta^(-1)) – c * ellipticF(asin(sqrt(beta)), beta^(-1)));
term2 = (2 * a) / (c * sqrt(b – c) * sqrt(epsilon)) * …
(c / sqrt(mu) * ellipticE1(1 / beta) – c * sqrt(mu) * ellipticK(1 / beta));
term3 = sqrt(epsilon * (1 / beta)) * …
((b – a^2) * ellipticK(2 * mu) + (a^2 – b + c) * ellipticPi(2 * c / (c + b – a^2), 2 * mu));
% Sum all terms
S = term1 + term2 + term3;
end
% Elliptic integral functions using symbolic math toolbox
function val = ellipticK(m)
syms theta;
val = double(int(1 / sqrt(1 – m * sin(theta)^2), theta, 0, pi/2));
end
function val = ellipticF(phi, m)
syms theta;
val = double(int(1 / sqrt(1 – m * sin(theta)^2), theta, 0, phi));
end
function val = ellipticE(phi, m)
syms theta;
val = double(int(sqrt(1 – m * sin(theta)^2), theta, 0, phi));
end
function val = ellipticE1(m)
syms theta;
val = double(int(sqrt(1 – m * sin(theta)^2), theta, 0, pi/2));
end
function val = ellipticPi(n, m)
syms theta;
val = double(int(1 / (sqrt(1 – n * sin(theta)^2) * sqrt(1 – m * sin(theta)^2)), theta, 0, pi/2));
endHello, i wrote a code and it works while running the script. but when i use it in an app this error shows up Attempt to add "theta" to a static workspace. can somebody help me out. thanks
The code:
%% Constants and parameters
J1 = 1; % Polarization of outer magnet
J2 = 1; % Polarization of inner magnet
u0 = pi*4e-7; % Magnetic constant
%% Position vectors, define appropriately
r = [0.25, 0.3, 0.20 , 0.24]; % radius of magnets (outer to inner)
z = [0.05, 0.15, 0.08, 0.18]; % z cordinate of magnets (outer to inner)
%% main function g
g = @(a, b, c) computeG(a, b, c);
% Initialize F_Z
F_Z = 0;
% Compute F_Z based on the given formula
for i = 1:2
for k = 1:2
for j = 3:4
for l = 3:4
deltaZ = z(k) – z(l);
ri2 = r(i)^2;
rj2 = r(j)^2;
Fijkl = r(i) * r(j) * g(deltaZ, ri2+rj2+deltaZ^2, -2 * r(i) * r(j));
power = 1 + i + j + k + l;
F_Z = F_Z + ((-1)^power) * Fijkl;
end
end
end
end
F_Z = ((J1 * J2) / (2 * u0)) * F_Z;
%% Define the function computeG
function result = computeG(a, b, c)
A = (a^2 – b) / c * pi + sqrt(c^2 – (a^2 – b)^2) / c *(log((-16 * c^2) / ((c^2 – (a^2 – b)^2)^1.5)) + log(c^2 / ((c^2 – (a^2 – b)^2)^1.5)));
S = computeS(a, b, c);
result = A + S;
end
%% Define the function computeS
function S = computeS(a, b, c)
% Define constants
epsilon = c / (c – b);
beta = (b + c) / (b – c);
mu = c / (b + c);
% Calculate terms for S
term1 = (2 * 1i * a) / (c * sqrt(b + c)) * …
((b + c) * ellipticE(asin(sqrt(beta)), beta^(-1)) – c * ellipticF(asin(sqrt(beta)), beta^(-1)));
term2 = (2 * a) / (c * sqrt(b – c) * sqrt(epsilon)) * …
(c / sqrt(mu) * ellipticE1(1 / beta) – c * sqrt(mu) * ellipticK(1 / beta));
term3 = sqrt(epsilon * (1 / beta)) * …
((b – a^2) * ellipticK(2 * mu) + (a^2 – b + c) * ellipticPi(2 * c / (c + b – a^2), 2 * mu));
% Sum all terms
S = term1 + term2 + term3;
end
% Elliptic integral functions using symbolic math toolbox
function val = ellipticK(m)
syms theta;
val = double(int(1 / sqrt(1 – m * sin(theta)^2), theta, 0, pi/2));
end
function val = ellipticF(phi, m)
syms theta;
val = double(int(1 / sqrt(1 – m * sin(theta)^2), theta, 0, phi));
end
function val = ellipticE(phi, m)
syms theta;
val = double(int(sqrt(1 – m * sin(theta)^2), theta, 0, phi));
end
function val = ellipticE1(m)
syms theta;
val = double(int(sqrt(1 – m * sin(theta)^2), theta, 0, pi/2));
end
function val = ellipticPi(n, m)
syms theta;
val = double(int(1 / (sqrt(1 – n * sin(theta)^2) * sqrt(1 – m * sin(theta)^2)), theta, 0, pi/2));
end Hello, i wrote a code and it works while running the script. but when i use it in an app this error shows up Attempt to add "theta" to a static workspace. can somebody help me out. thanks
The code:
%% Constants and parameters
J1 = 1; % Polarization of outer magnet
J2 = 1; % Polarization of inner magnet
u0 = pi*4e-7; % Magnetic constant
%% Position vectors, define appropriately
r = [0.25, 0.3, 0.20 , 0.24]; % radius of magnets (outer to inner)
z = [0.05, 0.15, 0.08, 0.18]; % z cordinate of magnets (outer to inner)
%% main function g
g = @(a, b, c) computeG(a, b, c);
% Initialize F_Z
F_Z = 0;
% Compute F_Z based on the given formula
for i = 1:2
for k = 1:2
for j = 3:4
for l = 3:4
deltaZ = z(k) – z(l);
ri2 = r(i)^2;
rj2 = r(j)^2;
Fijkl = r(i) * r(j) * g(deltaZ, ri2+rj2+deltaZ^2, -2 * r(i) * r(j));
power = 1 + i + j + k + l;
F_Z = F_Z + ((-1)^power) * Fijkl;
end
end
end
end
F_Z = ((J1 * J2) / (2 * u0)) * F_Z;
%% Define the function computeG
function result = computeG(a, b, c)
A = (a^2 – b) / c * pi + sqrt(c^2 – (a^2 – b)^2) / c *(log((-16 * c^2) / ((c^2 – (a^2 – b)^2)^1.5)) + log(c^2 / ((c^2 – (a^2 – b)^2)^1.5)));
S = computeS(a, b, c);
result = A + S;
end
%% Define the function computeS
function S = computeS(a, b, c)
% Define constants
epsilon = c / (c – b);
beta = (b + c) / (b – c);
mu = c / (b + c);
% Calculate terms for S
term1 = (2 * 1i * a) / (c * sqrt(b + c)) * …
((b + c) * ellipticE(asin(sqrt(beta)), beta^(-1)) – c * ellipticF(asin(sqrt(beta)), beta^(-1)));
term2 = (2 * a) / (c * sqrt(b – c) * sqrt(epsilon)) * …
(c / sqrt(mu) * ellipticE1(1 / beta) – c * sqrt(mu) * ellipticK(1 / beta));
term3 = sqrt(epsilon * (1 / beta)) * …
((b – a^2) * ellipticK(2 * mu) + (a^2 – b + c) * ellipticPi(2 * c / (c + b – a^2), 2 * mu));
% Sum all terms
S = term1 + term2 + term3;
end
% Elliptic integral functions using symbolic math toolbox
function val = ellipticK(m)
syms theta;
val = double(int(1 / sqrt(1 – m * sin(theta)^2), theta, 0, pi/2));
end
function val = ellipticF(phi, m)
syms theta;
val = double(int(1 / sqrt(1 – m * sin(theta)^2), theta, 0, phi));
end
function val = ellipticE(phi, m)
syms theta;
val = double(int(sqrt(1 – m * sin(theta)^2), theta, 0, phi));
end
function val = ellipticE1(m)
syms theta;
val = double(int(sqrt(1 – m * sin(theta)^2), theta, 0, pi/2));
end
function val = ellipticPi(n, m)
syms theta;
val = double(int(1 / (sqrt(1 – n * sin(theta)^2) * sqrt(1 – m * sin(theta)^2)), theta, 0, pi/2));
end appdesigner, app designer MATLAB Answers — New Questions
