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� �9Zc @` sh d Z d d l m Z m Z m Z d d l m Z d d l Td d l m Z e � j Z e � j Z d S( s* Core Linear Algebra Tools ========================= =============== ========================================================== Linear algebra basics ========================================================================== norm Vector or matrix norm inv Inverse of a square matrix solve Solve a linear system of equations det Determinant of a square matrix slogdet Logarithm of the determinant of a square matrix lstsq Solve linear least-squares problem pinv Pseudo-inverse (Moore-Penrose) calculated using a singular value decomposition matrix_power Integer power of a square matrix matrix_rank Calculate matrix rank using an SVD-based method =============== ========================================================== =============== ========================================================== Eigenvalues and decompositions ========================================================================== eig Eigenvalues and vectors of a square matrix eigh Eigenvalues and eigenvectors of a Hermitian matrix eigvals Eigenvalues of a square matrix eigvalsh Eigenvalues of a Hermitian matrix qr QR decomposition of a matrix svd Singular value decomposition of a matrix cholesky Cholesky decomposition of a matrix =============== ========================================================== =============== ========================================================== Tensor operations ========================================================================== tensorsolve Solve a linear tensor equation tensorinv Calculate an inverse of a tensor =============== ========================================================== =============== ========================================================== Exceptions ========================================================================== LinAlgError Indicates a failed linear algebra operation =============== ========================================================== i ( t divisiont absolute_importt print_functioni ( t __doc__( t *( t _numpy_testerN( R t __future__R R R t infot linalgt numpy.testing.nosetesterR t testt bench( ( ( sH /opt/alt/python27/lib64/python2.7/site-packages/numpy/linalg/__init__.pyt <module>- s