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excel if statement to matlab

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Engineer Undergoing
Engineer Undergoing on 30 Jul 2021
Commented: Rik on 2 Aug 2021
so i know there are many efieciant ways to do things on matlab without the need to use the if statement, and I was wondering if someone could help out on converting this excel formula/code to matlab without the need for a double if statements

Accepted Answer

Monika Jaskolka
Monika Jaskolka on 30 Jul 2021
Edited: Monika Jaskolka on 30 Jul 2021
I don't see that a "double if" is necessary:
x = 0;
if (~E5 && E4)
x = F4 + 1;
x = F4;
If you are asking for a one line conditional assignment like below, Matlab doesn't support this syntax
condition ? true-expression : false-expression
Monika Jaskolka
Monika Jaskolka on 2 Aug 2021
Below is a direct translation, but if you are simply counting non-zero elements in E, you should look into the nnz command for a simpler solution.
% Init data
E = zeros(19,1);
E(15) = -0.333333;
E(16) = 0.333333;
F = ones(19,1);
F(17:end) = 2;
for i = 1:length(E)-1
if ~E(i+1) && E(i)
F(i) = F(i) + 1;
Rik on 2 Aug 2021
@Monika Jaskolka Consider teaching yourself to use numel instead of length. It is never a worse option, and it might save you from a difficult bug hiding in your program due to array input (instead of vector inputs).

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