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[slicing] fixed slicing for second order derivatives

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mzwiessele 2016-04-22 16:15:32 +01:00
parent af286ba528
commit 401bfbf20c
1 changed files with 2 additions and 2 deletions
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4
GPy/kern/src/kern.py
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@ -138,12 +138,12 @@ class Kern(Parameterized):
\\frac{\partial^2 L}{\partial X\partial X_2} = \\frac{\partial L}{\partial K}\\frac{\partial^2 K}{\partial X\partial X_2} \\frac{\partial^2 L}{\partial X\partial X_2} = \\frac{\partial L}{\partial K}\\frac{\partial^2 K}{\partial X\partial X_2}
""" """
raise(NotImplementedError, "This is the second derivative of K wrt X and X2, and not implemented for this kernel") raise NotImplementedError("This is the second derivative of K wrt X and X2, and not implemented for this kernel")
def gradients_XX_diag(self, dL_dKdiag, X, cov=True): def gradients_XX_diag(self, dL_dKdiag, X, cov=True):
""" """
The diagonal of the second derivative w.r.t. X and X2 The diagonal of the second derivative w.r.t. X and X2
""" """
raise(NotImplementedError, "This is the diagonal of the second derivative of K wrt X and X2, and not implemented for this kernel") raise NotImplementedError("This is the diagonal of the second derivative of K wrt X and X2, and not implemented for this kernel")
def gradients_X_diag(self, dL_dKdiag, X): def gradients_X_diag(self, dL_dKdiag, X):
""" """
The diagonal of the derivative w.r.t. X The diagonal of the derivative w.r.t. X