Are approximations ever used to approximate the derivative at certain points?

minhsual

How do we deal with functions that are not differentiable in CG?

goose_r_s

How do we compute derivatives on computers in practice? Do we use a very small epsilon?

jefftan

How do we compute the derivative for discretized images where we cannot use the limit definition? Do we weight closer points more than farther away points when computing the slope using nearby points?

Are approximations ever used to approximate the derivative at certain points?

How do we deal with functions that are not differentiable in CG?

How do we compute derivatives on computers in practice? Do we use a very small epsilon?

How do we compute the derivative for discretized images where we cannot use the limit definition? Do we weight closer points more than farther away points when computing the slope using nearby points?