SNESGetGradientNorm
Gets the norm of the current gradient that was set with SNESSSetGradient().
Synopsis
int SNESGetGradientNorm(SNES snes,Scalar *gnorm)
Collective on SNES
Input Parameter
snes -SNES context
Output Parameter
fnorm -2-norm of gradient
Note
SNESGetGradientNorm() is valid for SNES_UNCONSTRAINED_MINIMIZATION
methods only. A related routine for SNES_NONLINEAR_EQUATIONS methods
is SNESGetFunctionNorm().
Keywords
SNES, nonlinear, get, gradient, norm
See Also
so: SNESSetGradient()
Level:intermediate
Location:src/snes/interface/snes.c
SNES Index
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