Evaluates a thin plate spline at given points
xi
coefs should be the vector of fitted coefficients returned from tpaps(x, y, [p])
x should be n by d in size, where n is the number of points and d the number of dimensions; coefs should be n + d + 1 by 1; xi should be k by d
The logical argument vectorize controls whether an k by n by d intermediate array is formed to speed up computation (the default) or whether looping is used to economize on memory
The returned yi will be k by 1
See the documentation to tpaps for more information
See also: tpaps, tps_val_der.
Package: splines