How to enter a function into matlab

Hello good day,

I am having issues on how to enter this equation into MATLAB.

Also,

thank you in advance !

[Walter Roberson]

is cosh(expression) in MATLAB.

is sinh(expression) in MATLAB.

MATLAB has not implicit multiplication. All multiplication must use the .* operator or the * (matrix multiplication) operator.

Answer 1

[Asad (Mehrzad) Khoddam]

H/2*sigma.*cosh(k.*(h+z))./sinh(k.*h).*cos(k.*x-sigma.*t)
H/2*sigma.^2.*cosh(k.*(h+z))./sinh(k.*h).*sin(k.*x-sigma.*t)