??? Error using ==> eq Matrix dimensions must agree

[row, column]=find(My_matrix== pnode); I try to use this command and i get this error
??? Error using ==> eq Matrix dimensions must agree
What should i do?How i should write the syntaxis of it?

[Adam]

What are the dimensions of My_matrix and pnode? I assume they are not the same size since you get that error and in that case it is impossible for any of us to know what your intention is in trying to test equality between them just from the information you have given.

[Giannakis Stoukas]

pnode is a variable and it has a value and the matrix has dimensions 10X14,this is why it is weird

[Giannakis Stoukas]

Actually the previous orders are min_cost = min(x(:)); [pnode, node] = find(x == min_cost); [row, column]=find(My_matrix == pnode); [rows, columns]=find(My_matrix==node);

and the min_cost instead of taking one value it takes an array

Answer 1

[John D'Errico]

Your matrices are not compatible in size. READ THE ERROR MESSAGE!

Try this:

whos MY_matrix pnode

What does it tell you?

[Giannakis Stoukas]

The weird is that pnode is a variable with a single value,it isnt a matrix nor an array

[Giannakis Stoukas]

Actually the previous orders are

min_cost = min(x(:));
[pnode, node] = find(x == min_cost);
[row, column]=find(My_matrix == pnode);
[rows, columns]=find(My_matrix==node);

and the min_cost instead of taking one value it takes an array

[John D'Errico]

I see that the last line has

find(My_matrix==node);

Even if pnode is a scalar, node may well not be so, since it was created from a previous call to find.