Fix function name in vanilla_cgm.m.

Remove unused vector in vanilla_cgm().

diff --git a/optimization/vanilla_cgm.m b/optimization/vanilla_cgm.m
index 2c94487a65508e876903343abf457cda853bb929..3a72b144fc6e623f76e9148817b7f50ec487177d 100644 (file)
--- a/optimization/vanilla_cgm.m
+++ b/optimization/vanilla_cgm.m
@@ -1,4 +1,4 @@
-function [x, k] = conjugate_gradient_method(A, b, x0, tolerance, max_iterations)
+function [x, k] = vanilla_cgm(A, b, x0, tolerance, max_iterations)
   %
   % Solve,
   %
@@ -36,8 +36,6 @@ function [x, k] = conjugate_gradient_method(A, b, x0, tolerance, max_iterations)
   %
   % All vectors are assumed to be *column* vectors.
   %
-  zero_vector = zeros(length(x0), 1);
-
   k = 0;
   x = x0; % Eschew the 'k' suffix on 'x' for simplicity.
   rk = A*x - b; % The first residual must be computed the hard way.