int MatFDColoringSetFromOptions(MatFDColoring matfd)Collective on MatFDColoring
The Jacobian is estimated with the differencing approximation
J(u)_{:,i} = [J(u+h*dx_{i}) - J(u)]/h where
h = error_rel*u[i] if u[i] > umin
= error_rel*umin else
dx_{i} = (0, ... 1, .... 0)
| -mat_fd_coloring_error <err> | - Sets <err> (square root of relative error in the function) |
| -mat_fd_coloring_umin <umin> | - Sets umin |
| -mat_fd_coloring_freq <freq> | - Sets frequency of computing a new Jacobian |
| -mat_fd_coloring_view | - Activates basic viewing |
| -mat_fd_coloring_view_info | - Activates viewing info |
| -mat_fd_coloring_view_draw | - Activates drawing |
Location: src/mat/interface/fdmatrix.c
Matrix Index
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