Come analyze HEASARC, IRSA, and MAST data in the cloud! The Fornax Initiative is now welcoming all interested beta users.
spline: spline modification
A cubic spline modification.
| par1 | start x-value |
| par2 | start y-value |
| par3 | end y-value |
| par4 | start dy/dx |
| par5 | end dy/dx |
| par6 | end x-value |