... and Surface Fitting CALLING SEQUENCE y CHEBEVAL X P INTERVAL interval DERIVATIVE deriv DESCRIPTION CHEBEVAL computes the values of a Chebyshev polynomial function at specified abcissae over the interval a b The user must supply the abcissae and the polynomial coefficients The function is of the form N y x Sum...
.txthttp://cow.physics.wisc.edu/~craigm/idl/down/chebeval.txt
... and Surface Fitting CALLING SEQUENCE y CHEBEVAL X P INTERVAL interval DERIVATIVE deriv DESCRIPTION CHEBEVAL computes the values of a Chebyshev polynomial function at specified abcissae over the interval a b The user must supply the abcissae and the polynomial coefficients The function is of the form N y x Sum...
.txthttp://www.physics.wisc.edu/~craigm/idl/down/chebeval.txt
... an interval The user can choose the desired precision and maximum number of chebyshev coefficients This routine is intended for functions which can be evaluated to full machine precision at arbitrary abcissae and which are smooth enough to ensure that the coefficients are a decreasing sequence For already...
.txthttp://cow.physics.wisc.edu/~craigm/idl/down/chebcoef.txt
... is the number of x y pairs For functions which can be evaluated to full machine precision at arbitrary abcissae the routine CHEBCOEF should be used instead For exact data tabulated on a regular grid the routine CHEBGRID should be tried The user can also specify that the function is even or odd using...
.txthttp://cow.physics.wisc.edu/~craigm/idl/down/chebfit.txt
... are XTAB YTAB and whose first and second derivatives are YPTAB and YPPTAB The user also provides a set of desired X abcissae for which interpolants are requested The interpolated spline values are returned in YINT The interpolated curve will smoothly pass through the control points and have...
.txthttp://cow.physics.wisc.edu/~craigm/idl/down/quinterp.txt
... an interval The user can choose the desired precision and maximum number of chebyshev coefficients This routine is intended for functions which can be evaluated to full machine precision at arbitrary abcissae and which are smooth enough to ensure that the coefficients are a decreasing sequence For already...
.txthttp://www.physics.wisc.edu/~craigm/idl/down/chebcoef.txt
... is the number of x y pairs For functions which can be evaluated to full machine precision at arbitrary abcissae the routine CHEBCOEF should be used instead For exact data tabulated on a regular grid the routine CHEBGRID should be tried The user can also specify that the function is even or odd using...
.txthttp://www.physics.wisc.edu/~craigm/idl/down/chebfit.txt
... are XTAB YTAB and whose first and second derivatives are YPTAB and YPPTAB The user also provides a set of desired X abcissae for which interpolants are requested The interpolated spline values are returned in YINT The interpolated curve will smoothly pass through the control points and have...
.txthttp://www.physics.wisc.edu/~craigm/idl/down/quinterp.txt
[ Alternative P-spline Code for Univariate GLM Smoothing ] ...pspline fit function response x var ps intervals 8 wts NULL degree 3 order 3 link default family gaussian m binomial NULL r gamma NULL lambda 0 x predicted NULL ridge adj 0 0001 Function pspline fit univariate smoother using P splines Input x var explanatory variable on abcissae Input response...
.txthttp://www.stat.lsu.edu/faculty/marx/pspline.txt
[ P-spline Signal Regression Code ] ... using P splines Input x index abcissae of spectra 1 p Input x signal n X p explanatory variable signal matrix p n possible Input response response variable Input family gaussian binomial poisson Gamma distribution Input m binomial vector of binomial trials Default is 1 vector Input r gamma vector...
.txthttp://www.stat.lsu.edu/faculty/marx/signal.txt
