Using a uniform mesh for interpolation is not always wise.
Click here to download interpolating.m
Linear Interpolation.
Quadratic Interpolation.
Natural Cubic Spline.
Not a Knot Cubic Spline.
A matlab *.m file "interp.m" which needs subroutine f.m
Click here to down-load the interp.m file.
A matlab *.m file "interp_big.m" which needs subroutine f.m
Click here to down-load interp_big.m
Click here to down-load f.m