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scipy.optimize.rosen

scipy.optimize.rosen(x)

The Rosenbrock function.

The function computed is

sum(100.0*(x[1:] - x[:-1]**2.0)**2.0 + (1 - x[:-1])**2.0

Parameters :

x : array_like, 1D

The point at which the Rosenbrock function is to be computed.

Returns :

f : float

The value of the Rosenbrock function

See also

rosen_der, rosen_hess, rosen_hess_prod