Module DBS1GD in IMSLMEvaluate the derivative of a spline on a grid, given its B-spline representation.
CALL DBS1GD (IDERIV, N, XVEC, KORDER, XKNOT, NCOEF, BSCOEF, VALUE)| E3a1 | Evaluation of fitted functions |
| E3a2 | Evaluation of derivatives of fitted functions |