optimal_step: Calculates best possible step for contrast gradient descent...

Description Usage Arguments Value

Description

Calculates best possible step for contrast gradient descent optimization.

Usage

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optimal_step(x, d, ..., pasos = c(0, 1e-08, 2e-08, 5e-08, 1e-07, 2e-07,
  5e-07, 1e-06, 2e-06, 5e-06, 1e-05, 2e-05, 5e-05, 1e-04, 2e-04, 5e-04,
  0.001, 0.002, 0.005, 0.01, 0.02, 0.05, 0.1, 0.2, 0.5, 1, 2, 5, 10, 20,
  50, 100))

Arguments

x

Point of origin

d

Direction of gradient

...

Colors to compare with x (calculate contrast with x)

pasos

Candidate steps to choose from

Value

A number equal to best step in the list


dpcarballo/coloR documentation built on June 1, 2019, 8:14 p.m.