8 lines
227 B
Matlab
8 lines
227 B
Matlab
function alpha = backtracking(f, gf, p, x, alpha, rho, c)
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xn = x + alpha * p;
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while f(xn(1), xn(2)) > f(x(1), x(2)) + c * alpha * gf(x(1), x(2))' * p
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alpha = rho * alpha;
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xn = x + alpha * p;
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end
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end |