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To compare to matrices element by element

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Pradheep S
Pradheep S 2021-7-21
评论： Walter Roberson 2021-7-21
i have matrix A= [ 1 2 2 , 4 5 6] and matrix B = [ 1 2 3 , 2 3 4 ] . want to caompare element by element martix operators and any one element or all element in A if lessthan B should return matrix A is lesser .

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Mudit Chaturvedi
Mudit Chaturvedi 2021-7-21
Hello!
I understand you are trying to compare two matrices element by element and return "matrix A is lesser" if any element in A is lesser than its corresponding element in B.
One of the ways to do this is to create a matrix C containing the maximum of A and B (element by element) and then checking if this new matrix is same as A or not.
C = max(A,B); %contains the max value out of A and B at each index
isequal(A,C); %returns true if A and C are equal else false
You can add an if condition that returns "matrix A is lesser" when isequal() evaluates to true.
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Pradheep S
Pradheep S 2021-7-21
Hi thank you.
can you help me with function. for eg isqual returns True it should execute a function .
if returns False it should execute other function

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Jonas
Jonas 2021-7-21
编辑：Jonas 2021-7-21
you can compare matrix A and B directly using typical comparing operators
A<B
if the question is if there is any element of A smaller than the corresponding element in B, you can use e.g.
any(A<B,'all')

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