Add the Himmelblau function, as defined in Applied Nonlinear Programming.

[octave.git] / optimization / test_functions / himmelblau1.m

diff --git a/optimization/test_functions/himmelblau1.m b/optimization/test_functions/himmelblau1.m
new file mode 100644 (file)
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+++ b/optimization/test_functions/himmelblau1.m
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+function f = himmelblau1(x)
+  ##
+  ## A version of the Himmelblau function which takes a column
+  ## 2-vector instead of two distinct arguments. See himmelblau.m for
+  ## more information.
+  ##
+  if (length(x) == 2)
+    f = himmelblau(x(1), x(2));
+  else
+    f = NA;
+  end
+end