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cholesky cholesky_ex cholesky_inverse cholesky_solve CholeskyExOptions CholeskyInverseOptions CholeskyOptions CholeskySolveOptions cond CondOptions cross CrossOptions det diagonal DiagonalOptions eig eigh EighOptions eigvals eigvalsh householder_product inv inv_ex InvExOptions ldl_factor ldl_factor_ex ldl_solve LdlFactorExOptions LdlFactorOptions LdlSolveOptions lobpcg LobpcgOptions logdet lstsq LstsqOptions lu lu_factor lu_factor_ex lu_solve lu_unpack LuFactorExOptions LuFactorOptions LuOptions LuSolveOptions LuUnpackOptions matrix_exp matrix_norm matrix_power matrix_rank MatrixNormOptions MatrixRankOptions multi_dot norm NormOptions pca_lowrank PcaLowrankOptions pinv PinvOptions qr QrOptions slogdet solve solve_ex solve_triangular SolveExOptions SolveOptions SolveTriangularOptions svd svd_lowrank SvdLowrankOptions SvdOptions svdvals tensorinv TensorinvOptions tensorsolve TensorsolveOptions trace triangular_solve TriangularSolveOptions vander VanderOptions vecdot VecdotOptions vector_norm VectorNormOptions

abs acos acosh AdaptivePool1dShape AdaptivePool2dShape add addbmm AddbmmOptions addcdiv AddcdivOptions addcmul AddcmulOptions addmm AddmmOptions addmv AddmvOptions addr AddrOptions adjoint all allclose AllcloseOptions AlphaBetaOptions amax amin aminmax AminmaxOptions angle any applyOut arange are_deterministic_algorithms_enabled argmax argmin argsort argwhere as_strided as_tensor asin asinh AssertNoShapeError AssertNotError AsStridedOptions At at_error_index_out_of_bounds atan atan2 atanh atleast_1d atleast_2d atleast_3d AtShape autocast_decrement_nesting autocast_increment_nesting autograd_gradient_mismatch_error autograd_not_registered_error AutogradConfig AutogradDevice AutogradDType AutogradEntry AutogradHandle AutogradHandleImpl AxesRecord BackwardFn baddbmm BaddbmmOptions bartlett_window BaseKernelConfig batch_dimensions_do_not_match_error bernoulli BernoulliOptions BinaryBackwardFn BinaryBroadcastResult BinaryDType BinaryKernelConfigCPU BinaryKernelCPU BinaryOpConfig BinaryOpNames BinaryOpSchema BinaryOptions bincount BincountOptions bitwise_and bitwise_left_shift bitwise_not bitwise_or bitwise_right_shift bitwise_xor blackman_window block_diag bmm BooleanDTypeRule broadcast_error_incompatible_dimensions broadcast_shapes broadcast_tensors broadcast_to BroadcastShape BroadcastShapeRule broadcastShapes bucketize BucketizeOptions BufferUsage buildEinopsError buildErrorMessage canBroadcastTo cartesian_prod cat CatOptions CatShape CauchyOptions cdist CdistOptions ceil celu CeluFunctionalOptions chain_matmul CheckShapeError CholeskyShape chunk chunk_error_dim_out_of_range ChunkOptions clamp ClampOptions clear_autocast_cache clearEinopsCache clearEinsumCache clone column_stack combinations CombinationsOptions compiled_with_cxx11_abi complex conj conj_physical contiguous Conv1dShape Conv2dShape Conv3dShape ConvTranspose2dShape copysign corrcoef cos cosh count_nonzero CountNonzeroOptions cov coverage_report coverageReport CoverageReport CovOptions 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hasDType hasFunction hasKernel hasMethod hasScalarKernel HasShapeError heaviside histc HistcOptions histogram HistogramOptions HistogramResult hsplit hstack hypot i0 IdentityShape ifft imag index_add index_copy index_fill index_put index_reduce index_select index_select_error_dim_out_of_range IndexPutOptions IndexSelectShape IndexSpec IndicesOptions IndicesSpec initialize_device InputsFor InsertDim invalid_config_error inverse InverseShape irfft is_anomaly_check_nan_enabled is_anomaly_enabled is_autocast_cache_enabled is_autocast_cpu_enabled is_autocast_ipu_enabled is_autocast_xla_enabled is_complex is_complex_dtype is_cpu_only_mode is_deterministic_algorithms_warn_only_enabled is_floating_point is_floating_point_dtype is_inference_mode_enabled is_nonzero is_tensor is_warn_always_enabled is_webgpu_available Is2D IsAtLeast1D IsBinaryOp IsBinaryOpName isclose IscloseOptions isfinite isin isinf isnan isneginf isposinf isreal IsReductionOp IsReductionOpName IsRegistryError IsShapeError istft ISTFTOptions IsUnaryOp IsUnaryOpName item_error_not_scalar ItemResult kaiser_window KaiserWindowOptions kernel_not_registered_error kernel_signature_mismatch_error KernelConfig KernelConfigWebGPU KernelEntry KernelHandle KernelInfo KernelPredicate KernelRegistry KernelWebGPU kron kthvalue KthvalueOptions lcm ldexp le leaky_relu leaky_relu_LeakyReluFunctionalOptions lerp levenshteinDistance lgamma linalg_error_not_square_matrix linalg_error_requires_2d linalg_error_requires_at_least_2d linear linspace list_custom_devices list_custom_dtypes list_devices list_dtypes list_functions list_kernels list_methods list_ops listCustomDTypes listDTypes listFunctions listKernels ListKernelsOptions listMethods listOps ListOpsOptions log log_softmax log10 log1p log2 logaddexp logaddexp2 logcumsumexp logical_and logical_not logical_or logical_xor LogitOptions LogNormalOptions LogOptions logsigmoid logspace logsumexp LogsumexpOptions lt LUShape LuSolveOptions masked_fill masked_select masked_select_async MaskSpec matmul matmul_error_inner_dimensions_do_not_match Matmul2DShape MatmulShape MatmulShapeRule MatrixTransposeShape max maximum mean median memory_stats memory_summary meshgrid method_already_registered_error method_dtype_not_supported_error MethodConfig MethodEntry MethodHandle min minimum mish mm MMShapeRule mode movedim msort mul multinomial multinomial_async MultinomialAsyncOptions MultinomialOptions MultiplyBy mv MVShapeRule nan_to_num nanmean nanmedian nanquantile NanReductionOptions nansum NanToNumOptions narrow narrow_copy narrow_error_length_exceeds_bounds narrow_error_start_out_of_bounds NarrowShape ne needsBroadcast neg NegativeDim nextafter nonzero NonzeroOptions norm normal NormalOptions NormOptions numel ones ones_like op_kind_mismatch_error op_not_found_error OpCoverageEntry OpInfo OpKind OpName OpSchema OpSchemas outer OuterShape pack PackShape permute permute_error_dimension_count_mismatch PermuteShape poisson polar Pool1dShape Pool2dShape Pool3dShape positive pow prelu PrintOptions prod profiler_allow_cudagraph_cupti_lazy_reinit_cuda12 promote_types PromoteDTypeRule PutOptions quantile QuantileOptions rad2deg rand rand_like randint randint_like RandintLikeOptions RandintOptions randn randn_like RandomLikeOptions RandomOptions randperm RangeSpec Rank ravel real rearrange RearrangeOptions RearrangeShape reciprocal reduce ReduceOperation ReduceOptions ReduceShape ReductionKernelConfigCPU ReductionKernelCPU ReductionOpNames ReductionOpSchema ReductionOptions ReductionShapeRule register_backward register_device register_dtype register_forward register_function register_method register_scalar_forward registerAutograd RegisterBackwardOptions registerBinaryOp registerDType RegisterDTypeOptions RegisteredDType registerFunction RegisterFunctionOptions registerKernel RegisterKernelOptions registerMethod RegisterMethodOptions registerScalarKernel registerUnaryOp registration_failed_error relu relu_relu6 ReluFunctionalOptions remainder RemoveDim repeat repeat_interleave RepeatInterleaveOptions RepeatOptions RepeatShape ReplaceDim requireWebGPU reset_peak_memory_stats reshape ReshapeShape result_type rfft roll RollOptions rot90 Rot90Options round rrelu rrelu_RreluFunctionalOptions rsqrt SafeExpandShape SameDTypeRule SameShapeRule SaveForBackward ScalarCPUForwardFn ScalarCPUKernelConfig ScalarKernelEntry ScalarKernelHandle ScalarWebGPUKernelConfig ScaleDim scatter scatter_add scatter_add_scatter_error_dim_out_of_range scatter_reduce scatter_reduce_ScatterReduceOptions ScatterShape searchsorted SearchSortedOptions select select_error_index_out_of_bounds select_scatter SelectShape selu set_default_device set_default_tensor_type set_deterministic_debug_mode set_float32_matmul_precision set_printoptions set_warn_always SetupContextFn Shape ShapeCheckedResult ShapedTensor ShapeErrorMessage ShapeOpSchema ShapeRule sigmoid sign signbit silu sin sinc sinh SizeOptions slice_error_out_of_bounds slice_scatter SliceOptions SliceScatterOptions SliceShape SliceSpec softmax softmax_error_dim_out_of_range SoftmaxShape softmin SoftminFunctionalOptions softplus SoftplusFunctionalOptions softshrink softsign sort SortOptions split split_error_dim_out_of_range SplitOptions sqrt square squeeze SqueezeOptions SqueezeShape stack StackOptions StackShape std std_mean StdVarMeanOptions StdVarOptions stft STFTOptions StrideOptions sub Sublist SublistElement SubscriptIndex sum SVDShape swapaxes sym_float sym_int sym_not t take take_along_dim TakeAlongDimOptions tan tanh tanhshrink tensor tensor_split TensorCreator TensorData tensordot TensordotOptions TensorLike TensorMeta TensorOptions TensorStorage threshold threshold_tile TileShape ToOptions topk TopkOptions Torch trace TraceShape transpose transpose_dims_error_out_of_range transpose_error_requires_2d_tensor TransposeDimsShape TransposeDimsShapeChecked TransposeShape trapezoid TrapezoidOptions TriangularOptions tril tril_indices TriOptions Triple triu triu_indices true_divide trunc TupleOfLength TypedArray TypedArrayFor TypedStorage TypeOptions UnaryBackwardFn UnaryDType UnaryKernelConfigCPU UnaryKernelCPU UnaryOpConfig UnaryOpFn UnaryOpNames UnaryOpParams UnaryOpSchema UnaryOptions unbind unbind_error_dim_out_of_range UnbindOptions unflatten UniformOptions unique unique_consecutive UniqueConsecutiveOptions UniqueOptions unpack UnpackShape unravel_index unregister_device unsqueeze UnsqueezeOptions UnsqueezeShape use_deterministic_algorithms ValidateBatchedSquareMatrix ValidateChunkDim ValidatedEinsumShape validateDevice ValidateDevice ValidatedRearrangeShape ValidatedReduceShape ValidatedRepeatShape validateDType ValidateEinsum ValidateOperandCount ValidateRanks ValidateScalar ValidateSplitDim ValidateSquareMatrix ValidateUnbindDim ValueOptions var_var_mean vdot view view_as_complex view_as_real vmap vsplit vstack WebGPUKernelConfig WebGPUOnlyResult WebGPUTensorData where WindowOptions xlogy zeros zeros_like

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lu_unpack

torch.linalg.lu_unpack

function lu_unpack(LU: Tensor, pivots: Tensor, options?: LuUnpackOptions): { P: Tensor; L: Tensor; U: Tensor }

function lu_unpack(LU: Tensor, pivots: Tensor, unpack_data: boolean, unpack_pivots: boolean, options?: LuUnpackOptions): { P: Tensor; L: Tensor; U: Tensor }

Unpacks LU factorization into separate P, L, U matrices.

Parameters

LUTensor: Packed LU matrix from lu_factor
pivotsTensor: Pivot indices from lu_factor
optionsLuUnpackOptionsoptional

Returns

{ P: Tensor; L: Tensor; U: Tensor }– Object with P, L, U tensors

See Also

PyTorch torch.lu_unpack

LuFactorExOptions