How to compare elements of two equal size matrices by logical conditionals?

Hello everyone! I have been struggling with this...

I would like to compare the elements of matrix A with the elements of matrix B, then get in matrix C the elements which have accomplished the logical condition. All matrices having the same size (12 x 1).

Eg,: if A (1,1) <= B (1,1) , then C (1,1) = A (1,1). If NOT then C (1,1) = B (1,1)...

How can I formulate it? ...

Many thanks indeed. Best Regards, MF

Answer 1

[madhan ravi]

for i = 1:numel(A)

if A(i)<=B(i)

C(i) = A(i)

else

C(i) = B(i)

end

end

[madhan ravi]

If it works make sure to accept the answer

[Steven Lord]

This is one way to solve the problem, though I'd suggest preallocating C to be the same size and type as A and B before trying to fill it up.

If you want to use a vectorized approach, see this documentation page. You'll need to use the logical condition on both the left side and the right side of the equals sign.

[madhan ravi]

Thank you @Steven

[MARCELA FRAGOZO]

Thanks Steven, I have done it with as you suggest with a prealloc matrix plus logical indexing (isEqual) and (~isEqual) to make the respective comparison... Best Regards, MF

Answer 2

[Stephen23]

@MARCELA FRAGOZO: simpler and more efficient:

C = min(A,B)

Try it, and you will see that it does the same as your logic.