Hello I need to write a function that the file name is count(a,b,c) to count how many positive number . what i have to write?

function [p]= count(a,b,c) ...... complet the rest code

[Paridhi Yadav]

So do you have to count that in the 3 variables (a,b,c) how many are positive?

[farah hattan]

For example if I put function [P]= count(a,b,c) and from command window i type count(3,4,-1) I will get 2 since 3 and 4 positive

[Stephen23]

Duplicate:

https://www.mathworks.com/matlabcentral/answers/403356-hello-i-need-to-write-a-function-that-the-file-name-is-count-a-b-c-to-count-how-many-positive-numbe

[Aakash Deep]

There is no need to post a question twice. Thanks

Answer 1

[KSSV]

If a is a vector use:

count_positive = nnz(a>0) ;