looking for a function like integral2

I know there is a function named integral2 but I could'nt fint it. will appreciate any help.. the function script or a function that works the same will do it

Answer 1

[Jacob Halbrooks]

You are probably using an older version of MATLAB. The INTEGRAL2 function was added along with INTEGRAL and INTEGRAL3 in R2012a, according to the release notes.

You can either upgrade or use the similar quadrature functions: QUAD, QUAD2D.