deriv#
- Mapdl.deriv(ir='', iy='', ix='', name='', facta='', **kwargs)#
Differentiates a variable.
APDL Command: DERIV
- Parameters:
- ir
Arbitrary reference number assigned to the resulting variable (2 to NV [NUMVAR]). If this number is the same as for a previously defined variable, the previously defined variable will be overwritten with this result.
- iy, ix
Reference numbers of variables to be operated on. IY is differentiated with respect to IX.
- name
Thirty-two character name for identifying the variable on printouts and displays. Embedded blanks are compressed for output.
- facta
Scaling factor (positive or negative) applied as shown below (defaults to 1.0).
Notes
Differentiates variables according to the operation:
IR = FACTA x d(IY)/d(IX)