tv_stack_tangent_stack

t3toolbox.backend.tv_operations.tv_stack_tangent_stack(variations_tree)

def tv_stack_tangent_stack(
        variations_tree,  # array-like tree (shape V) of variations-data tuples (each stack = G)
):  # -> variations-data tuple (stack = V + G)

Stack a V-shaped tree of variation-data over the tangent stack V (outermost).

Inverse of tv_unstack_tangent_stack().