def tk(self, k, x):
        """
        Evaluates an individual Chebyshev polynomial `k` in coordinate space
        with proper transformation given the window
        """
        weights = np.diag(np.ones(k+1))[k]
        return np.polynomial.chebyshev.chebval(self._x2c(x), weights)
def tk(self, k, x):
        """
        Evaluates an individual Chebyshev polynomial `k` in coordinate space
        with proper transformation given the window
        """
        weights = np.diag(np.ones(k+1))[k]
        return np.polynomial.chebyshev.chebval(self._x2c(x), weights)
def tk ( self , k , x ) : weights = np . diag ( np . ones ( k + 1 ) ) [ k ] return np . polynomial . chebyshev . chebval ( self . _x2c ( x ) , weights )
Evaluates an individual Chebyshev polynomial `k` in coordinate space
        with proper transformation given the window
Evaluates an individual Chebyshev polynomial k in coordinate space with proper transformation given the window