MATLAB: Apply an element-wise calculation of an equation to a matrix

Question

Hi MATLAB experts,

How should I express the following formulas in order to apply each one to each element in a 3D matrix:

1) ln(X/Y) / Z

2) 100 / ln(X/Y) – 50

Thanks!

Tamir

Answer 1

log( X ./ Y ) ./ Z
100 ./ log( X ./ Y ) - 50