tfb_affine | R Documentation |
This Bijector is initialized with shift Tensor and scale arguments,
giving the forward operation: Y = g(X) = scale @ X + shift
where the scale term is logically equivalent to:
scale = scale_identity_multiplier * tf.diag(tf.ones(d)) + tf.diag(scale_diag) + scale_tril + scale_perturb_factor @ diag(scale_perturb_diag) @ tf.transpose([scale_perturb_factor]))
tfb_affine( shift = NULL, scale_identity_multiplier = NULL, scale_diag = NULL, scale_tril = NULL, scale_perturb_factor = NULL, scale_perturb_diag = NULL, adjoint = FALSE, validate_args = FALSE, name = "affine", dtype = NULL )
shift |
Floating-point Tensor. If this is set to NULL, no shift is applied. |
scale_identity_multiplier |
floating point rank 0 Tensor representing a scaling done
to the identity matrix. When |
scale_diag |
Floating-point Tensor representing the diagonal matrix.
|
scale_tril |
Floating-point Tensor representing the lower triangular matrix.
|
scale_perturb_factor |
Floating-point Tensor representing factor matrix with last
two dimensions of shape |
scale_perturb_diag |
Floating-point Tensor representing the diagonal matrix.
|
adjoint |
Logical indicating whether to use the scale matrix as specified or its adjoint. Default value: FALSE. |
validate_args |
Logical, default FALSE. Whether to validate input with asserts. If validate_args is FALSE, and the inputs are invalid, correct behavior is not guaranteed. |
name |
name prefixed to Ops created by this class. |
dtype |
|
If NULL of scale_identity_multiplier
, scale_diag
, or scale_tril
are specified then
scale += IdentityMatrix
Otherwise specifying a scale argument has the semantics of
scale += Expand(arg)
, i.e., scale_diag != NULL
means scale += tf$diag(scale_diag)
.
a bijector instance.
For usage examples see tfb_forward()
, tfb_inverse()
, tfb_inverse_log_det_jacobian()
.
Other bijectors:
tfb_absolute_value()
,
tfb_affine_linear_operator()
,
tfb_affine_scalar()
,
tfb_ascending()
,
tfb_batch_normalization()
,
tfb_blockwise()
,
tfb_chain()
,
tfb_cholesky_outer_product()
,
tfb_cholesky_to_inv_cholesky()
,
tfb_correlation_cholesky()
,
tfb_cumsum()
,
tfb_discrete_cosine_transform()
,
tfb_expm1()
,
tfb_exp()
,
tfb_ffjord()
,
tfb_fill_scale_tri_l()
,
tfb_fill_triangular()
,
tfb_glow()
,
tfb_gompertz_cdf()
,
tfb_gumbel_cdf()
,
tfb_gumbel()
,
tfb_identity()
,
tfb_inline()
,
tfb_invert()
,
tfb_iterated_sigmoid_centered()
,
tfb_kumaraswamy_cdf()
,
tfb_kumaraswamy()
,
tfb_lambert_w_tail()
,
tfb_masked_autoregressive_default_template()
,
tfb_masked_autoregressive_flow()
,
tfb_masked_dense()
,
tfb_matrix_inverse_tri_l()
,
tfb_matvec_lu()
,
tfb_normal_cdf()
,
tfb_ordered()
,
tfb_pad()
,
tfb_permute()
,
tfb_power_transform()
,
tfb_rational_quadratic_spline()
,
tfb_rayleigh_cdf()
,
tfb_real_nvp_default_template()
,
tfb_real_nvp()
,
tfb_reciprocal()
,
tfb_reshape()
,
tfb_scale_matvec_diag()
,
tfb_scale_matvec_linear_operator()
,
tfb_scale_matvec_lu()
,
tfb_scale_matvec_tri_l()
,
tfb_scale_tri_l()
,
tfb_scale()
,
tfb_shifted_gompertz_cdf()
,
tfb_shift()
,
tfb_sigmoid()
,
tfb_sinh_arcsinh()
,
tfb_sinh()
,
tfb_softmax_centered()
,
tfb_softplus()
,
tfb_softsign()
,
tfb_split()
,
tfb_square()
,
tfb_tanh()
,
tfb_transform_diagonal()
,
tfb_transpose()
,
tfb_weibull_cdf()
,
tfb_weibull()
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