error to perform assignment

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Titas Chattopadhyay 2020-4-3

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/515032-error-to-perform-assignment

评论： Mehmed Saad 2020-4-3

clear all
clc
 
z = -1:0.2:1;
y = -1:0.2:1;
n = -2:0.4:2;
 
h = 3;
alpha = 0.1;
m = 11;
for j = 1:m
 
      for i = 1:m
 
        w1(i) = sinh(n.*pi.* (i+1));
        w2(j,i) = 0.18.*(alpha + 1).*cos(((j+1).*pi)/h).*((i+1).^2 - (i+1));
        w = w1(i) + w2(j,i); 
 
 
      end
end
  
plot(w1,z(1,:),'bo-','linewidth',1)
legend('W2','Z');
hold on
%grid on
plot(w,z(1,:),'r-','linewidth',1)
axis([-1 1 -1 1])

error : Unable to perform assignment because the indices on the left side are not compatible with the size

of the right side.

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Mehmed Saad 2020-4-3

w1 and w2 are not initialized
n is a vector and sinh(n.*pi.*(i+1)) will give you out a vector, you are trying to assign a vector to an index of w1 which is wrong

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