Error with matrix dimensions arithmetic

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Charles
Charles 2024-2-18
编辑： Voss 2024-2-18
I'm doing tutorials in Matlab for school, testing what should and shouldn't work. So when I tried subtrating a 1xn matrix from an mx1 matrix and vice versa, it resulted in an nxn matrix in both cases when it should have resulted in:
"??? Error using ==> -
Matrix dimensions must agree."
according to the tutorial.

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Voss
Voss 2024-2-18
编辑：Voss 2024-2-18

Sounds like the tutorial is for an older version of MATLAB, and the behavior changed since then. Here is an article related to that change.

https://blogs.mathworks.com/loren/2016/10/24/matlab-arithmetic-expands-in-r2016b/

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