spleaf.cov.Cov.chi2_grad#
- Cov.chi2_grad(*args, **kwargs)#
Compute the gradient of the \(\chi^2\) (
chi2()
) with respect to the residuals and to the initial parameters (seegrad_param()
).- Returns:
- grad_y(n,) ndarray
Gradient of the \(\chi^2\) with respect to the residuals \(y\).
- …
See
grad_param()
.