logistic_regression_derivatives.m File Reference

Variables
	function [dl, d2l]
endif	v = g .* (1 - g) ./ p
	v1 = g1 .* (1 - g1) ./ p
	dlogp = [(diag (v) * z - diag (v1) * z1), (diag (v - v1) * x)]
	dl = sum (dlogp)'
	w = v .* (1 - 2 * g)
	w1 = v1 .* (1 - 2 * g1)
	d2l

---

Variable Documentation

d2l

Initial value:

 [z, x]' * diag (w) * [z, x] - [z1, x]' * diag (w1) * [z1, x] ...
      - dlogp' * dlogp

dl = sum (dlogp)'

dlogp = [(diag (v) * z - diag (v1) * z1), (diag (v - v1) * x)]

function[dl, d2l]

Initial value:

 logistic_regression_derivatives (x, z, z1, g, g1, p)

  if (nargin != 6)
    print_usage ()

endif v = g .* (1 - g) ./ p

v1 = g1 .* (1 - g1) ./ p

w = v .* (1 - 2 * g)

w1 = v1 .* (1 - 2 * g1)