approx Subroutine

public subroutine approx(x, y, n, f, m, b)

$y(i)=y(x(i))$ the data to be approximated.
$n$ number of points in the input data.
$m$ number of coefficients of decomposition over base functions $f(k,x)$ :
$y(x)=sum_1^m [b(k)*f(k,x)]$
$b(i)$ found decomposition coefficients

Arguments

Type	Intent	Optional	Attributes		Name
real(kind=wp)				::	x(n)
real(kind=wp)				::	y(n)
integer				::	n
real				::	f
integer				::	m
real(kind=wp)				::	b(*)