I am facing problems with one statement "yfound = yi(abs(xi-findyatx)<eps);"
If the array xi has the same element as that of findyatx, that location will have an value of 1 while all others will have zero. I can see that there is an element in xi that has the same value as that of findyatx. But still all I get as a answer for yfound is an empty matrix.
Someone please help.