Error Index exceeds matrix dimensions

Question

Lev Mihailov 2019-8-20

0
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https://ww2.mathworks.cn/matlabcentral/answers/476838-error-index-exceeds-matrix-dimensions

回答： Jan 2019-8-20

Data 1000x100
for i = 2:length(x)-1
     [x ,y] = min(Data(i));
     if x(i) < x(i-1)+10 && x(i) < x(i+1)+10
       x(i)=x(i);
     end
end
Index exceeds matrix dimensions.

Hello! I have a matrix, I'm trying to create a loop that I need for a maximum of x values, but it gives me such an error

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Adam 2019-8-20

With breakpoints or pause on errors it is easy to find these things looking on command line.

You shouldn't use length in this situation. size( x, 1 ) is much safer if that is what you mean, although x is undefined at that point in the code snippet you gave us also. Your if statement currently does nothing other than assign something to itself.

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