def vander(*args, **kwargs):
warnings.warn("<STR_LIT>", DeprecationWarning)<EOL>return np.vander(*args, **kwargs)<EOL>
*X* = vander(*x*, *N* = *None*)

The Vandermonde matrix of vector *x*.  The *i*-th column of *X* is the
the *i*-th power of *x*.  *N* is the maximum power to compute; if *N* is
*None* it defaults to len(*x*).