Sign Changes (conditional through vector elements)

function count = signChangeCounter(numberList) %Enter the commands for your function here.

% code to call function numberList = [3 -2 -30 21 -7 0 -8 -4]; count = signChangeCounter(numberList)

Answer 1

[KSSV]

Refer here:

https://de.mathworks.com/matlabcentral/answers/231803-how-to-determine-sign-change-in-a-matrix-for-each-coulmn-separatly

https://de.mathworks.com/matlabcentral/answers/32590-find-for-sign-changes