PetscDTJacobiEval#
evaluate Jacobi polynomials for the weight function \((1.+x)^{\alpha} (1.-x)^{\beta}\) at a set of points at points
Synopsis#
Not Collective
Input Parameters#
- npoints - number of spatial points to evaluate at 
- alpha - the left exponent > -1 
- beta - the right exponent > -1 
- points - array of locations to evaluate at 
- ndegree - number of basis degrees to evaluate 
- degrees - sorted array of degrees to evaluate 
Output Parameters#
- B - row-oriented basis evaluation matrix B[pointndegree + degree] (dimension npointsndegrees, allocated by caller) (or - NULL)
- D - row-oriented derivative evaluation matrix (or - NULL)
- D2 - row-oriented second derivative evaluation matrix (or - NULL)
See Also#
Level#
intermediate
Location#
Index of all DT routines
Table of Contents for all manual pages
Index of all manual pages