vi_chi_square | R Documentation |
A Csiszar-function is a member of F = { f:R_+ to R : f convex }
.
vi_chi_square(logu, name = NULL)
logu |
|
name |
name prefixed to Ops created by this function. |
The Chi-square Csiszar-function is:
f(u) = u**2 - 1
Warning: this function makes non-log-space calculations and may
therefore be numerically unstable for |logu| >> 0
.
chi_square_of_u: float
-like Tensor
of the Csiszar-function
evaluated at u = exp(logu)
.
Other vi-functions:
vi_amari_alpha()
,
vi_arithmetic_geometric()
,
vi_csiszar_vimco()
,
vi_dual_csiszar_function()
,
vi_fit_surrogate_posterior()
,
vi_jeffreys()
,
vi_jensen_shannon()
,
vi_kl_forward()
,
vi_kl_reverse()
,
vi_log1p_abs()
,
vi_modified_gan()
,
vi_monte_carlo_variational_loss()
,
vi_pearson()
,
vi_squared_hellinger()
,
vi_symmetrized_csiszar_function()
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