Conditional in values of a matrix
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Montserrat Vallcorba Martí
le 30 Nov 2017
Commenté : Star Strider
le 1 Déc 2017
Hi,
I want to do the following condition in a matrix:
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/170474/image.jpeg)
The example:
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/170476/image.jpeg)
Any suggestion?
Thank you!
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Star Strider
le 30 Nov 2017
Your original description of the problem contains an error.
In order to get ‘Vector B’, you need to divide ‘abs(A(i,3))’ by 100.
This works, and gives the correct result:
A = [0.08 -0.335 75; 0.017 -0.335 75; 7.17 0.468 38.5; 19.33 1.379 29; 150 3.73 20];
B = A(:,2)-A(:,3).*abs(A(:,2))/100;
B(A(:,2)<0) = A(A(:,2)<0,2)
B =
-0.3350
-0.3350
0.2878
0.9791
2.9840
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