rsnbrck.m

来自「最优化的bfgs算法」· M 代码 · 共 5 行

function y = rsnbrck(x)
% function y = rsnbrck(x)
% Rosenbrock function.  x is vector of length 2.
y = (1-x(1))^2 +105*(x(2)-x(1)^2)^4;