PETSc version 3.17.4
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# MatMFFDType

algorithm used to compute the h used in computing matrix-vector products via differencing of the function

### Synopsis

    typedef const char* MatMFFDType;
    #define MATMFFD_DS  "ds"
    #define MATMFFD_WP  "wp"

### See Also

MatMFFDSetType(), MatMFFDRegister()

### Level

beginner

### Location

src/mat/../../include/petscmat.h
Index of all Mat routines
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