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function [psi,x]=mexihat(lb,ub,n)
// Generates Mexican Hat wavelet
// Calling Sequence
// [psi,x]=mexihat(lb,ub,n)
// Parameters
// lb: Real or complex valued vector or matrix
// ub: Real or complex valued vector or matrix
// n: Real strictly positive scalar number
// Description
// This is an Octave function
// This function returns values of the Mexican hat wavelet in the specified interval at all the sample points.
// Examples
// 1. [a,b]= mexihat(1,2,3)
// a = [0.00000 -0.35197 -0.35214]
// b = [1.0000 1.5000 2.0000]
// 2. [a,b]= mexihat([1 2 3],1,1)
// a = [0;0;0]
// b = [1;1;1]
funcprot(0);
rhs=argn(2);
if (rhs<3) then
error ("Wrong number of input arguments.")
else [psi,x]=callOctave("mexihat",lb,ub,n)
end
endfunction
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