mkit.math.jax F2 F2(x: Float[ArrayLike, ...]) -> F frobenius_norm_square frobenius_norm_square(x: Float[ArrayLike, ...]) -> F invariants invariants(A: FNNLike) -> tuple[F, F, F] polar polar( a: FMNLike, side: Literal["left", "right"] = "left", *args, method: Literal["svd", "qdwh"] = "svd", **kwargs ) -> tuple[FMN, FNN] Computes the polar decomposition.