Symbols:Nabla/Backward Difference Operator

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Backward Difference Operator

$\nabla$


The backward difference operator on $f$ is defined as:

$\map {\nabla_h f} x := \map f x - \map f {x - h}$


The $\LaTeX$ code for \(\map {\nabla f} x\) is \map {\nabla f} x .