Index exceeds the number of array error
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Sashi Mendoza
el 31 de Mzo. de 2022
Editada: Sashi Mendoza
el 3 de Abr. de 2022
a = a certain 20x20 matrix;
[val,idx] = max(a(:));
[x, y] = find(a == val);
At the underlined part of the code, this displays the error "Index exceeds the number of array elements (1)". How to fix this?
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Arif Hoq
el 31 de Mzo. de 2022
Editada: Arif Hoq
el 31 de Mzo. de 2022
var = randi(100,20,20);
[val,idx] = max(var(:))
[x, y] = find(var == val)
idx2=2;
x0 = x(idx2)
y0 = y(idx2)
here your idx=2(intentionally fixed) and your number of element of x and y is 7. so x0 and y0 can extract from index 2. now see the below example
%%
var = randi(100,20,20);
[val,idx] = max(var(:))
[x, y] = find(var == val)
% idx2=2;
x0 = x(idx)
y0 = y(idx)
here your idx=18, but your number of element of x and y is 5.so it can not extract form index 18. therefore, you are getting error.
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