ipk {bspline} | R Documentation |
Find first and last+1 indexes iip s.t. x[iip] belongs to interval starting at xk[iik]
ipk(x, xk)
x |
Numeric vector, abscissa points (must be non decreasing) |
xk |
Numeric vector, knots (must be non decreasing) |
Integer matrix of size (2 x length(xk)-1)
. Indexes are 0-based