How to add a number to the negative values in a vector?

Samantha - 2021-03-01T10:44:44+00:00

Question: How to add a number to the negative values in a vector?

I have a vector [A] which includes positive and negative values A = [1 4 5 2 -3 4 5 7 -6 -6]. I want to change those negative values by adding -180 to them, so my new vector will be like this   A = [1 4 5 2 -183 4 5 7 -186 -186].   Any idea how find that?   So far I tried this but not working for i = 1:10 for j = 1:1 if A(i,j)<=0 A(i,j) = A + -180; end end end

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Expert Answer

Kshitij Singh answered . 2025-11-20

A = [1 4 5 2 -3 4 5 7 -6 -6];

t = A < 0;
A(t) = A(t) - 180;

A = mod(A,180);

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