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					283 lines
				
				7.3 KiB
			
		
		
			
		
	
	
					283 lines
				
				7.3 KiB
			| 
								 
											3 years ago
										 
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								from collections.abc import Iterable
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								from typing import (
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								    Literal as L,
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								    overload,
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								    TypeVar,
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								    Any,
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								    SupportsIndex,
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								    SupportsInt,
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								)
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								from numpy import (
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								    generic,
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								    floating,
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								    complexfloating,
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								    int32,
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								    float64,
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								    complex128,
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								)
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								from numpy.linalg import LinAlgError as LinAlgError
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								from numpy._typing import (
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								    NDArray,
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								    ArrayLike,
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								    _ArrayLikeInt_co,
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								    _ArrayLikeFloat_co,
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								    _ArrayLikeComplex_co,
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								    _ArrayLikeTD64_co,
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								    _ArrayLikeObject_co,
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								)
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								_T = TypeVar("_T")
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								_ArrayType = TypeVar("_ArrayType", bound=NDArray[Any])
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								_2Tuple = tuple[_T, _T]
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								_ModeKind = L["reduced", "complete", "r", "raw"]
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								__all__: list[str]
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								@overload
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								def tensorsolve(
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								    a: _ArrayLikeInt_co,
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								    b: _ArrayLikeInt_co,
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								    axes: None | Iterable[int] =...,
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								) -> NDArray[float64]: ...
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								@overload
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								def tensorsolve(
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								    a: _ArrayLikeFloat_co,
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								    b: _ArrayLikeFloat_co,
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								    axes: None | Iterable[int] =...,
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								) -> NDArray[floating[Any]]: ...
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								@overload
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								def tensorsolve(
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								    a: _ArrayLikeComplex_co,
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								    b: _ArrayLikeComplex_co,
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								    axes: None | Iterable[int] =...,
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								) -> NDArray[complexfloating[Any, Any]]: ...
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								@overload
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								def solve(
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								    a: _ArrayLikeInt_co,
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								    b: _ArrayLikeInt_co,
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								) -> NDArray[float64]: ...
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								@overload
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								def solve(
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								    a: _ArrayLikeFloat_co,
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								    b: _ArrayLikeFloat_co,
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								) -> NDArray[floating[Any]]: ...
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								@overload
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								def solve(
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								    a: _ArrayLikeComplex_co,
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								    b: _ArrayLikeComplex_co,
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								) -> NDArray[complexfloating[Any, Any]]: ...
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								@overload
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								def tensorinv(
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								    a: _ArrayLikeInt_co,
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								    ind: int = ...,
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								) -> NDArray[float64]: ...
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								@overload
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								def tensorinv(
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								    a: _ArrayLikeFloat_co,
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								    ind: int = ...,
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								) -> NDArray[floating[Any]]: ...
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								@overload
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								def tensorinv(
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								    a: _ArrayLikeComplex_co,
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								    ind: int = ...,
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								) -> NDArray[complexfloating[Any, Any]]: ...
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								@overload
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								def inv(a: _ArrayLikeInt_co) -> NDArray[float64]: ...
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								@overload
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								def inv(a: _ArrayLikeFloat_co) -> NDArray[floating[Any]]: ...
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								@overload
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								def inv(a: _ArrayLikeComplex_co) -> NDArray[complexfloating[Any, Any]]: ...
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								# TODO: The supported input and output dtypes are dependent on the value of `n`.
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								# For example: `n < 0` always casts integer types to float64
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								def matrix_power(
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								    a: _ArrayLikeComplex_co | _ArrayLikeObject_co,
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								    n: SupportsIndex,
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								) -> NDArray[Any]: ...
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								@overload
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								def cholesky(a: _ArrayLikeInt_co) -> NDArray[float64]: ...
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								@overload
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								def cholesky(a: _ArrayLikeFloat_co) -> NDArray[floating[Any]]: ...
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								@overload
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								def cholesky(a: _ArrayLikeComplex_co) -> NDArray[complexfloating[Any, Any]]: ...
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								@overload
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								def qr(a: _ArrayLikeInt_co, mode: _ModeKind = ...) -> _2Tuple[NDArray[float64]]: ...
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								@overload
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								def qr(a: _ArrayLikeFloat_co, mode: _ModeKind = ...) -> _2Tuple[NDArray[floating[Any]]]: ...
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								@overload
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								def qr(a: _ArrayLikeComplex_co, mode: _ModeKind = ...) -> _2Tuple[NDArray[complexfloating[Any, Any]]]: ...
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								@overload
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								def eigvals(a: _ArrayLikeInt_co) -> NDArray[float64] | NDArray[complex128]: ...
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								@overload
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								def eigvals(a: _ArrayLikeFloat_co) -> NDArray[floating[Any]] | NDArray[complexfloating[Any, Any]]: ...
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								@overload
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								def eigvals(a: _ArrayLikeComplex_co) -> NDArray[complexfloating[Any, Any]]: ...
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								@overload
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								def eigvalsh(a: _ArrayLikeInt_co, UPLO: L["L", "U", "l", "u"] = ...) -> NDArray[float64]: ...
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								@overload
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								def eigvalsh(a: _ArrayLikeComplex_co, UPLO: L["L", "U", "l", "u"] = ...) -> NDArray[floating[Any]]: ...
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								@overload
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								def eig(a: _ArrayLikeInt_co) -> _2Tuple[NDArray[float64]] | _2Tuple[NDArray[complex128]]: ...
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								@overload
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								def eig(a: _ArrayLikeFloat_co) -> _2Tuple[NDArray[floating[Any]]] | _2Tuple[NDArray[complexfloating[Any, Any]]]: ...
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								@overload
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								def eig(a: _ArrayLikeComplex_co) -> _2Tuple[NDArray[complexfloating[Any, Any]]]: ...
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								@overload
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								def eigh(
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								    a: _ArrayLikeInt_co,
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								    UPLO: L["L", "U", "l", "u"] = ...,
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								) -> tuple[NDArray[float64], NDArray[float64]]: ...
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								@overload
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								def eigh(
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								    a: _ArrayLikeFloat_co,
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								    UPLO: L["L", "U", "l", "u"] = ...,
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								) -> tuple[NDArray[floating[Any]], NDArray[floating[Any]]]: ...
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								@overload
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								def eigh(
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								    a: _ArrayLikeComplex_co,
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								    UPLO: L["L", "U", "l", "u"] = ...,
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								) -> tuple[NDArray[floating[Any]], NDArray[complexfloating[Any, Any]]]: ...
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								@overload
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								def svd(
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								    a: _ArrayLikeInt_co,
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								    full_matrices: bool = ...,
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								    compute_uv: L[True] = ...,
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								    hermitian: bool = ...,
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								) -> tuple[
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								    NDArray[float64],
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								    NDArray[float64],
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								    NDArray[float64],
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								]: ...
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								@overload
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								def svd(
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								    a: _ArrayLikeFloat_co,
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								    full_matrices: bool = ...,
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								    compute_uv: L[True] = ...,
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								    hermitian: bool = ...,
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								) -> tuple[
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								    NDArray[floating[Any]],
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								    NDArray[floating[Any]],
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								    NDArray[floating[Any]],
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								]: ...
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								@overload
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								def svd(
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								    a: _ArrayLikeComplex_co,
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								    full_matrices: bool = ...,
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								    compute_uv: L[True] = ...,
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								    hermitian: bool = ...,
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								) -> tuple[
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								    NDArray[complexfloating[Any, Any]],
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								    NDArray[floating[Any]],
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								    NDArray[complexfloating[Any, Any]],
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								]: ...
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								@overload
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								def svd(
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								    a: _ArrayLikeInt_co,
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								    full_matrices: bool = ...,
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								    compute_uv: L[False] = ...,
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								    hermitian: bool = ...,
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								) -> NDArray[float64]: ...
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								@overload
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								def svd(
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								    a: _ArrayLikeComplex_co,
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								    full_matrices: bool = ...,
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								    compute_uv: L[False] = ...,
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								    hermitian: bool = ...,
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								) -> NDArray[floating[Any]]: ...
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								# TODO: Returns a scalar for 2D arrays and
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								# a `(x.ndim - 2)`` dimensionl array otherwise
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								def cond(x: _ArrayLikeComplex_co, p: None | float | L["fro", "nuc"] = ...) -> Any: ...
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								# TODO: Returns `int` for <2D arrays and `intp` otherwise
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								def matrix_rank(
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								    A: _ArrayLikeComplex_co,
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								    tol: None | _ArrayLikeFloat_co = ...,
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								    hermitian: bool = ...,
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								) -> Any: ...
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								@overload
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								def pinv(
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								    a: _ArrayLikeInt_co,
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								    rcond: _ArrayLikeFloat_co = ...,
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								    hermitian: bool = ...,
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								) -> NDArray[float64]: ...
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								@overload
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								def pinv(
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								    a: _ArrayLikeFloat_co,
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								    rcond: _ArrayLikeFloat_co = ...,
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								    hermitian: bool = ...,
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								) -> NDArray[floating[Any]]: ...
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								@overload
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								def pinv(
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								    a: _ArrayLikeComplex_co,
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								    rcond: _ArrayLikeFloat_co = ...,
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								    hermitian: bool = ...,
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								) -> NDArray[complexfloating[Any, Any]]: ...
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								# TODO: Returns a 2-tuple of scalars for 2D arrays and
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								# a 2-tuple of `(a.ndim - 2)`` dimensionl arrays otherwise
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								def slogdet(a: _ArrayLikeComplex_co) -> _2Tuple[Any]: ...
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								# TODO: Returns a 2-tuple of scalars for 2D arrays and
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								# a 2-tuple of `(a.ndim - 2)`` dimensionl arrays otherwise
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								def det(a: _ArrayLikeComplex_co) -> Any: ...
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								@overload
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								def lstsq(a: _ArrayLikeInt_co, b: _ArrayLikeInt_co, rcond: None | float = ...) -> tuple[
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								    NDArray[float64],
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								    NDArray[float64],
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						||
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								    int32,
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						||
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								    NDArray[float64],
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						||
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								]: ...
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								@overload
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						||
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								def lstsq(a: _ArrayLikeFloat_co, b: _ArrayLikeFloat_co, rcond: None | float = ...) -> tuple[
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								    NDArray[floating[Any]],
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								    NDArray[floating[Any]],
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						||
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								    int32,
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								    NDArray[floating[Any]],
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						||
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								]: ...
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								@overload
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| 
								 | 
							
								def lstsq(a: _ArrayLikeComplex_co, b: _ArrayLikeComplex_co, rcond: None | float = ...) -> tuple[
							 | 
						||
| 
								 | 
							
								    NDArray[complexfloating[Any, Any]],
							 | 
						||
| 
								 | 
							
								    NDArray[floating[Any]],
							 | 
						||
| 
								 | 
							
								    int32,
							 | 
						||
| 
								 | 
							
								    NDArray[floating[Any]],
							 | 
						||
| 
								 | 
							
								]: ...
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								@overload
							 | 
						||
| 
								 | 
							
								def norm(
							 | 
						||
| 
								 | 
							
								    x: ArrayLike,
							 | 
						||
| 
								 | 
							
								    ord: None | float | L["fro", "nuc"] = ...,
							 | 
						||
| 
								 | 
							
								    axis: None = ...,
							 | 
						||
| 
								 | 
							
								    keepdims: bool = ...,
							 | 
						||
| 
								 | 
							
								) -> floating[Any]: ...
							 | 
						||
| 
								 | 
							
								@overload
							 | 
						||
| 
								 | 
							
								def norm(
							 | 
						||
| 
								 | 
							
								    x: ArrayLike,
							 | 
						||
| 
								 | 
							
								    ord: None | float | L["fro", "nuc"] = ...,
							 | 
						||
| 
								 | 
							
								    axis: SupportsInt | SupportsIndex | tuple[int, ...] = ...,
							 | 
						||
| 
								 | 
							
								    keepdims: bool = ...,
							 | 
						||
| 
								 | 
							
								) -> Any: ...
							 | 
						||
| 
								 | 
							
								
							 | 
						||
| 
								 | 
							
								# TODO: Returns a scalar or array
							 | 
						||
| 
								 | 
							
								def multi_dot(
							 | 
						||
| 
								 | 
							
								    arrays: Iterable[_ArrayLikeComplex_co | _ArrayLikeObject_co | _ArrayLikeTD64_co],
							 | 
						||
| 
								 | 
							
								    *,
							 | 
						||
| 
								 | 
							
								    out: None | NDArray[Any] = ...,
							 | 
						||
| 
								 | 
							
								) -> Any: ...
							 |