Need urgent help in multivariate analysis
Hi, i need urgent help to validate this data. I’m trying to used meshgrid to plot but the figure is somehow kind of weird. please help..thanks.;
x1=[28.1000000000000;28.3100000000000;28.7700000000000;29.9200000000000;29.9800000000000;29.7300000000000;29.4500000000000;29.4500000000000;29.3000000000000;30.1900000000000;29.0300000000000;28.8300000000000];
x2=[15.9800000000000;2.93000000000000;0.930000000000000;1.46000000000000;3.89000000000000;2.57000000000000;5.66000000000000;9.92000000000000;8.57000000000000;4.45000000000000;37.9700000000000;34.3300000000000];
y=[28.2000000000000;29.0800000000000;30.5300000000000;32.2100000000000;32.3000000000000;32.1300000000000;31.4200000000000;31.4400000000000;31.0100000000000;31.4200000000000;29.3700000000000;28.6800000000000];
X = [ones(size(x1)) x1 x2 x1.*x2];
b = regress(y,X) % Removes NaN data
b =
-9.5805
1.3901
-1.3429
0.0449
>> [~,~,~,~,stats] = regress(y,X)
stats =
0.9269 33.8380 0.0001 0.2126
>> sin(X)
ans =
0.8415 0.1735 -0.2687 0.2082
0.8415 -0.0357 0.2100 0.9542
0.8415 -0.4756 0.8016 0.9986
0.8415 -0.9972 0.9939 -0.2947
0.8415 -0.9909 -0.6805 -0.3740
0.8415 -0.9934 0.5410 0.8457
0.8415 -0.9229 -0.5836 -0.1816
0.8415 -0.9229 -0.4752 0.0241
0.8415 -0.8551 0.7544 -0.2245
0.8415 -0.9411 -0.9658 0.6765
0.8415 -0.6858 0.2676 0.4168
0.8415 -0.5275 0.2256 -0.1318
>> y = sin(X);
X = linspace(0,0.5*pi);
>> y = X’;
z = X .* exp(-X.^2 – y.^2);
surf(X,y,z)
>> xlabel(‘air temperature’)
ylabel(‘total rainfall’)
ylabel(‘total rainfall’)
zlabel(‘water temperature’)
view(50,10)Hi, i need urgent help to validate this data. I’m trying to used meshgrid to plot but the figure is somehow kind of weird. please help..thanks.;
x1=[28.1000000000000;28.3100000000000;28.7700000000000;29.9200000000000;29.9800000000000;29.7300000000000;29.4500000000000;29.4500000000000;29.3000000000000;30.1900000000000;29.0300000000000;28.8300000000000];
x2=[15.9800000000000;2.93000000000000;0.930000000000000;1.46000000000000;3.89000000000000;2.57000000000000;5.66000000000000;9.92000000000000;8.57000000000000;4.45000000000000;37.9700000000000;34.3300000000000];
y=[28.2000000000000;29.0800000000000;30.5300000000000;32.2100000000000;32.3000000000000;32.1300000000000;31.4200000000000;31.4400000000000;31.0100000000000;31.4200000000000;29.3700000000000;28.6800000000000];
X = [ones(size(x1)) x1 x2 x1.*x2];
b = regress(y,X) % Removes NaN data
b =
-9.5805
1.3901
-1.3429
0.0449
>> [~,~,~,~,stats] = regress(y,X)
stats =
0.9269 33.8380 0.0001 0.2126
>> sin(X)
ans =
0.8415 0.1735 -0.2687 0.2082
0.8415 -0.0357 0.2100 0.9542
0.8415 -0.4756 0.8016 0.9986
0.8415 -0.9972 0.9939 -0.2947
0.8415 -0.9909 -0.6805 -0.3740
0.8415 -0.9934 0.5410 0.8457
0.8415 -0.9229 -0.5836 -0.1816
0.8415 -0.9229 -0.4752 0.0241
0.8415 -0.8551 0.7544 -0.2245
0.8415 -0.9411 -0.9658 0.6765
0.8415 -0.6858 0.2676 0.4168
0.8415 -0.5275 0.2256 -0.1318
>> y = sin(X);
X = linspace(0,0.5*pi);
>> y = X’;
z = X .* exp(-X.^2 – y.^2);
surf(X,y,z)
>> xlabel(‘air temperature’)
ylabel(‘total rainfall’)
ylabel(‘total rainfall’)
zlabel(‘water temperature’)
view(50,10) Hi, i need urgent help to validate this data. I’m trying to used meshgrid to plot but the figure is somehow kind of weird. please help..thanks.;
x1=[28.1000000000000;28.3100000000000;28.7700000000000;29.9200000000000;29.9800000000000;29.7300000000000;29.4500000000000;29.4500000000000;29.3000000000000;30.1900000000000;29.0300000000000;28.8300000000000];
x2=[15.9800000000000;2.93000000000000;0.930000000000000;1.46000000000000;3.89000000000000;2.57000000000000;5.66000000000000;9.92000000000000;8.57000000000000;4.45000000000000;37.9700000000000;34.3300000000000];
y=[28.2000000000000;29.0800000000000;30.5300000000000;32.2100000000000;32.3000000000000;32.1300000000000;31.4200000000000;31.4400000000000;31.0100000000000;31.4200000000000;29.3700000000000;28.6800000000000];
X = [ones(size(x1)) x1 x2 x1.*x2];
b = regress(y,X) % Removes NaN data
b =
-9.5805
1.3901
-1.3429
0.0449
>> [~,~,~,~,stats] = regress(y,X)
stats =
0.9269 33.8380 0.0001 0.2126
>> sin(X)
ans =
0.8415 0.1735 -0.2687 0.2082
0.8415 -0.0357 0.2100 0.9542
0.8415 -0.4756 0.8016 0.9986
0.8415 -0.9972 0.9939 -0.2947
0.8415 -0.9909 -0.6805 -0.3740
0.8415 -0.9934 0.5410 0.8457
0.8415 -0.9229 -0.5836 -0.1816
0.8415 -0.9229 -0.4752 0.0241
0.8415 -0.8551 0.7544 -0.2245
0.8415 -0.9411 -0.9658 0.6765
0.8415 -0.6858 0.2676 0.4168
0.8415 -0.5275 0.2256 -0.1318
>> y = sin(X);
X = linspace(0,0.5*pi);
>> y = X’;
z = X .* exp(-X.^2 – y.^2);
surf(X,y,z)
>> xlabel(‘air temperature’)
ylabel(‘total rainfall’)
ylabel(‘total rainfall’)
zlabel(‘water temperature’)
view(50,10) meshgrid, matlab, matlab code MATLAB Answers — New Questions
