def __init__(self, X):
self._logscale = Scalar(<NUM_LIT:0.0>)<EOL>self._X = X<EOL>Function.__init__(self, "<STR_LIT>", logscale=self._logscale)<EOL>self._logscale.bounds = (-<NUM_LIT>, +<NUM_LIT:10>)<EOL>
Constructor.

Parameters
----------
X : array_like
    Matrix X from K = s⋅XXᵀ.