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I need to 3d plot the code but there is an error can I get help with fixing the error

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mohsen
mohsen 2016-9-7
关闭： MATLAB Answer Bot 2021-8-20
F = [-40:20:40];
x = 0.1:0.8;
y = 0.1:0.4;
sigma_p = @(x,y) F/(.8*x*y);
sigma_mx = @(x,y) (F*y)/(1/12*(x)*(y)^3);
sigma_my = @(x,y) (F*x)/(1/12*(y)*(x)^3);
sigma_net = @(x,y) sigma_p +sigma_mx + sigma_my
figure
plot3(x,y,sigma_net)

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Walter Roberson
Walter Roberson 2016-9-7
sigma_net = @(x,y) sigma_p(x,y) + sigma_mx(x,y) + sigma_my(x,y);
plot3(x, y, sigma_net(x,y))

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