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# scipy.optimize.rosen_der

`scipy.optimize.``rosen_der`(x)

  The derivative (i.e. gradient) of the Rosenbrock function.

  Parameters: | x : array_like 1-D array of points at which the derivative is to be computed.
  Returns: | rosen_der : (N,) ndarray The gradient of the Rosenbrock function at x.

  See also

  `rosen`, `rosen_hess`, `rosen_hess_prod`