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- $ python3
- Python 3.6.5 (default, May 11 2018, 04:00:52)
- [GCC 8.1.0] on linux
- Type "help", "copyright", "credits" or "license" for more information.
- >>> d=json.load(open('gamma-dynmat.json'))
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- FileNotFoundError: [Errno 2] No such file or directory: 'gamma-dynmat.json'
- >>> d=json.load(open('whyyyyyyy-091-a/gamma-dynmat.json'))
- >>> list(d)
- ['dim', 'complex-blocks', 'col', 'row-ptr']
- >>> np.array(d['complex-blocks'].shape)
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- AttributeError: 'list' object has no attribute 'shape'
- >>> np.array(d['complex-blocks']).shape
- (73164, 2, 3, 3)
- >>> np.array(d['complex-blocks'])[:,0]
- array([[[ 5.69604874e+00, -7.39489409e-17, 6.56296758e-16],
- [-7.39489409e-17, 5.69604874e+00, 1.47897861e-16],
- [ 6.56296758e-16, 1.47897861e-16, 1.22197388e+00]],
- [[-1.24077979e-01, -7.19405585e-02, 7.43219379e-04],
- [ 1.98967136e-01, -6.72204767e-02, 4.66179154e-04],
- [-6.14371767e-04, 8.43503480e-04, 8.52878657e-02]],
- [[-1.36438974e-01, -1.91830512e-01, 3.21133001e-05],
- [ 7.90771824e-02, -5.48594815e-02, -8.76736440e-04],
- [ 1.03768133e-03, 1.10309818e-04, 8.52878657e-02]],
- ...,
- [[-2.64307305e-02, -1.28317223e-01, -4.23309558e-04],
- [ 1.42590471e-01, -1.64867725e-01, 9.53813297e-04],
- [-7.75332679e-04, -4.10557286e-04, 8.52878657e-02]],
- [[-1.35262114e-01, -7.87987349e-02, 7.89456533e-04],
- [ 1.86885598e-01, -5.68633855e-02, 1.58756604e-03],
- [-2.02130834e-03, 1.74118001e-03, 8.50622129e-02]],
- [[ 5.71467463e+00, -1.78455127e-02, 8.48146847e-03],
- [-1.78455127e-02, 5.72758720e+00, -1.04347145e-02],
- [ 8.48146847e-03, -1.04347145e-02, 1.21963394e+00]]])
- >>> np.array(d['complex-blocks'])[:,1]
- array([[[ 0., 0., -0.],
- [-0., 0., -0.],
- [ 0., 0., 0.]],
- [[ 0., 0., 0.],
- [ 0., 0., 0.],
- [ 0., 0., 0.]],
- [[ 0., 0., 0.],
- [ 0., 0., 0.],
- [ 0., 0., 0.]],
- ...,
- [[ 0., 0., 0.],
- [ 0., 0., 0.],
- [ 0., 0., 0.]],
- [[ 0., 0., 0.],
- [ 0., 0., 0.],
- [ 0., 0., 0.]],
- [[ 0., 0., 0.],
- [ 0., 0., 0.],
- [ 0., 0., 0.]]])
- >>> np.array(d['complex-blocks'])[:,0]
- array([[[ 5.69604874e+00, -7.39489409e-17, 6.56296758e-16],
- [-7.39489409e-17, 5.69604874e+00, 1.47897861e-16],
- [ 6.56296758e-16, 1.47897861e-16, 1.22197388e+00]],
- [[-1.24077979e-01, -7.19405585e-02, 7.43219379e-04],
- [ 1.98967136e-01, -6.72204767e-02, 4.66179154e-04],
- [-6.14371767e-04, 8.43503480e-04, 8.52878657e-02]],
- [[-1.36438974e-01, -1.91830512e-01, 3.21133001e-05],
- [ 7.90771824e-02, -5.48594815e-02, -8.76736440e-04],
- [ 1.03768133e-03, 1.10309818e-04, 8.52878657e-02]],
- ...,
- [[-2.64307305e-02, -1.28317223e-01, -4.23309558e-04],
- [ 1.42590471e-01, -1.64867725e-01, 9.53813297e-04],
- [-7.75332679e-04, -4.10557286e-04, 8.52878657e-02]],
- [[-1.35262114e-01, -7.87987349e-02, 7.89456533e-04],
- [ 1.86885598e-01, -5.68633855e-02, 1.58756604e-03],
- [-2.02130834e-03, 1.74118001e-03, 8.50622129e-02]],
- [[ 5.71467463e+00, -1.78455127e-02, 8.48146847e-03],
- [-1.78455127e-02, 5.72758720e+00, -1.04347145e-02],
- [ 8.48146847e-03, -1.04347145e-02, 1.21963394e+00]]])
- >>> from scipy.sparse import bsr_matrix
- >>> bsr_matrix((np.array(d['complex-blocks'])[:,0], d['col'], d['row-ptr'])
- ...
- KeyboardInterrupt
- >>> m=bsr_matrix((np.array(d['complex-blocks'])[:,0], d['col'], d['row-ptr']), d['dim'])
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "/home/lampam/asd/clone/scipy/scipy/sparse/bsr.py", line 213, in __init__
- self.check_format(full_check=False)
- File "/home/lampam/asd/clone/scipy/scipy/sparse/bsr.py", line 249, in check_format
- (len(self.indptr), M//R + 1))
- ValueError: index pointer size (365) should be (122)
- >>> d['dim']
- [364, 364]
- >>> max(d['row-ptr'])
- 73164
- >>> max(d['col'])
- 363
- >>> m=bsr_matrix((np.array(d['complex-blocks'])[:,0], d['col'], d['row-ptr']), tuple(3*x for x in d['dim']))
- >>> m
- <1092x1092 sparse matrix of type '<class 'numpy.float64'>'
- with 658476 stored elements (blocksize = 3x3) in Block Sparse Row format>
- >>> import scipy.sparse.linalg as spla
- >>> spla.eigsh(m, k=4, sigma=0, which='LA')
- /home/lampam/asd/clone/scipy/scipy/sparse/linalg/dsolve/linsolve.py:295: SparseEfficiencyWarning: splu requires CSC matrix format
- warn('splu requires CSC matrix format', SparseEfficiencyWarning)
- 2 iterations
- (array([3.10594774e-06, 3.10599138e-06, 1.51204583e-04, 2.19732931e-03]), array([[ 4.61343009e-02, -2.15809055e-02, -2.35679865e-02,
- -1.13120587e-04],
- [ 2.15800151e-02, 4.61470767e-02, -1.64663663e-03,
- -7.92368811e-06],
- [ 2.76583549e-05, -7.59958518e-09, 5.09959618e-02,
- -6.41123842e-02],
- ...,
- [-4.65772367e-02, 2.25835198e-02, 1.97544783e-02,
- 1.02979021e-04],
- [-2.18463087e-02, -4.52288143e-02, 4.38217677e-02,
- 1.35183692e-04],
- [-2.17377649e-03, 7.09817990e-04, 2.80205556e-02,
- -5.73705949e-02]]))
- >>> spla.eigsh(m, k=4, sigma=0, which='SA')
- ^CTraceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 1658, in eigsh
- params.iterate()
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 537, in iterate
- self.ipntr, self.workd, self.workl, self.info)
- KeyboardInterrupt
- >>> (evals,evecs) = spla.eigsh(m, k=4, sigma=0, maxiter=30, ncv=25 which='SA')
- File "<stdin>", line 1
- (evals,evecs) = spla.eigsh(m, k=4, sigma=0, maxiter=30, ncv=25 which='SA')
- ^
- SyntaxError: invalid syntax
- >>> (evals,evecs) = spla.eigsh(m, k=4, sigma=0, maxiter=30, ncv=25, which='SA')
- 31 iterations
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 1658, in eigsh
- params.iterate()
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 570, in iterate
- self._raise_no_convergence()
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 375, in _raise_no_convergence
- raise ArpackNoConvergence(msg % (num_iter, k_ok, self.k), ev, vec)
- scipy.sparse.linalg.eigen.arpack.arpack.ArpackNoConvergence: ARPACK error -1: No convergence (31 iterations, 3/4 eigenvectors converged)
- >>> (evals,evecs) = spla.eigsh(m, k=4, sigma=0, maxiter=30, ncv=25, which='SA')
- 1 iterations
- >>> evals
- array([-1.41933476e-04, -7.42441034e-10, -7.42440603e-10, -2.56385420e-15])
- >>> 15.6333043006705 * 33.3564095198152 * abs(-1.41933476e-04) ** 0.5
- 6.212587206416409
- >>> (evals,evecs) = spla.eigsh(m, k=4, sigma=0, maxiter=30, ncv=25, which='SA')
- 31 iterations
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 1658, in eigsh
- params.iterate()
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 570, in iterate
- self._raise_no_convergence()
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 375, in _raise_no_convergence
- raise ArpackNoConvergence(msg % (num_iter, k_ok, self.k), ev, vec)
- scipy.sparse.linalg.eigen.arpack.arpack.ArpackNoConvergence: ARPACK error -1: No convergence (31 iterations, 3/4 eigenvectors converged)
- >>> (evals,evecs) = spla.eigsh(m, k=4, sigma=0, maxiter=30, ncv=25, which='SA')
- 31 iterations
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 1658, in eigsh
- params.iterate()
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 570, in iterate
- self._raise_no_convergence()
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 375, in _raise_no_convergence
- raise ArpackNoConvergence(msg % (num_iter, k_ok, self.k), ev, vec)
- scipy.sparse.linalg.eigen.arpack.arpack.ArpackNoConvergence: ARPACK error -1: No convergence (31 iterations, 3/4 eigenvectors converged)
- >>> (evals,evecs) = spla.eigsh(m, k=4, sigma=0, maxiter=30, ncv=25, which='SA')
- 1 iterations
- >>> evals
- array([-3.37356231e-04, -7.42441038e-10, -7.42440584e-10, -2.56385420e-15])
- >>> 15.6333043006705 * 33.3564095198152 * abs(-3.37356231e-04) ** 0.5
- 9.577991483650955
- >>> m @ evec[0,:]
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- NameError: name 'evec' is not defined
- >>> m @ evecs[0,:]
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "/home/lampam/asd/clone/scipy/scipy/sparse/base.py", line 559, in __matmul__
- return self.__mul__(other)
- File "/home/lampam/asd/clone/scipy/scipy/sparse/base.py", line 497, in __mul__
- raise ValueError('dimension mismatch')
- ValueError: dimension mismatch
- >>> m @ evecs[0,None,:]
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "/home/lampam/asd/clone/scipy/scipy/sparse/base.py", line 559, in __matmul__
- return self.__mul__(other)
- File "/home/lampam/asd/clone/scipy/scipy/sparse/base.py", line 515, in __mul__
- raise ValueError('dimension mismatch')
- ValueError: dimension mismatch
- >>> m @ evecs[[0],:]
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "/home/lampam/asd/clone/scipy/scipy/sparse/base.py", line 559, in __matmul__
- return self.__mul__(other)
- File "/home/lampam/asd/clone/scipy/scipy/sparse/base.py", line 515, in __mul__
- raise ValueError('dimension mismatch')
- ValueError: dimension mismatch
- >>> m @ evecs[0,:][None,:]
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "/home/lampam/asd/clone/scipy/scipy/sparse/base.py", line 559, in __matmul__
- return self.__mul__(other)
- File "/home/lampam/asd/clone/scipy/scipy/sparse/base.py", line 515, in __mul__
- raise ValueError('dimension mismatch')
- ValueError: dimension mismatch
- >>> evecs[0,:]
- array([ 3.74039029e-02, 5.20195025e-02, -6.40403185e-03, -6.26245188e-10])
- >>> m @ evecs[:,0]
- array([ 0.33432849, -0.09322168, -0.00890129, ..., 0.105405 ,
- -0.29197974, -0.02978163])
- >>> m @ evecs[:,0] / evecs[:,0]
- array([ 8.93833177, 1.96571957, -2.34015557, ..., -16.79534333,
- 18.50840858, -34.77026623])
- >>> m @ evecs[:,1] / evecs[:,1]
- array([ 2.77632351e-07, 6.29843779e-07, 8.55354915e-01, ...,
- 8.68956469e-08, 2.17002838e-06, -4.21830302e-04])
- >>> (m @ evecs[:,1]) / evecs[:,1]
- array([ 2.77632351e-07, 6.29843779e-07, 8.55354915e-01, ...,
- 8.68956469e-08, 2.17002838e-06, -4.21830302e-04])
- >>> (m @ evecs[:,2]) / evecs[:,2]
- array([ 6.69492082e-06, -2.30612609e-07, -5.34772656e+00, ...,
- 2.32376482e-06, -7.19652543e-07, 2.98043380e-04])
- >>> (m @ evecs[:,2][None,:]) / evecs[:,2]
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "/home/lampam/asd/clone/scipy/scipy/sparse/base.py", line 559, in __matmul__
- return self.__mul__(other)
- File "/home/lampam/asd/clone/scipy/scipy/sparse/base.py", line 515, in __mul__
- raise ValueError('dimension mismatch')
- ValueError: dimension mismatch
- >>> (m @ evecs[:,2][None,:]) / evecs[:,2][None,:]
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "/home/lampam/asd/clone/scipy/scipy/sparse/base.py", line 559, in __matmul__
- return self.__mul__(other)
- File "/home/lampam/asd/clone/scipy/scipy/sparse/base.py", line 515, in __mul__
- raise ValueError('dimension mismatch')
- ValueError: dimension mismatch
- >>> (m @ evecs[:,2][None,:])
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "/home/lampam/asd/clone/scipy/scipy/sparse/base.py", line 559, in __matmul__
- return self.__mul__(other)
- File "/home/lampam/asd/clone/scipy/scipy/sparse/base.py", line 515, in __mul__
- raise ValueError('dimension mismatch')
- ValueError: dimension mismatch
- >>> evecs[:,2][None,:]
- array([[-6.40403185e-03, -5.20194951e-02, -2.13441421e-10, ...,
- -5.81539061e-03, -5.20886800e-02, 1.28150719e-05]])
- >>> (m @ evecs[:,2][:,None])
- array([[-4.28744861e-08],
- [ 1.19963515e-08],
- [ 1.14142636e-09],
- ...,
- [-1.35136001e-08],
- [ 3.74857510e-08],
- [ 3.81944734e-09]])
- >>> (m @ evecs[:,2][:,None]) / evecs[:,2][:,None]
- array([[ 6.69492082e-06],
- [-2.30612609e-07],
- [-5.34772656e+00],
- ...,
- [ 2.32376482e-06],
- [-7.19652543e-07],
- [ 2.98043380e-04]])
- >>> (m @ evecs[:,3][:,None]) / evecs[:,3][:,None]
- array([[-2.19304152e-01],
- [ 1.81887449e-01],
- [ 6.97473644e-11],
- ...,
- [-4.72068201e-02],
- [-1.92302654e+00],
- [ 2.33396466e-10]])
- >>> (m @ evecs[:,3][:,None] - evals[3] * evecs[:,3][:,None])
- array([[ 1.37338170e-10],
- [-3.82995035e-11],
- [-3.65588819e-12],
- ...,
- [ 4.32965505e-11],
- [-1.19939656e-10],
- [-1.22334321e-11]])
- >>> (evals,evecs) = spla.eigsh(m, k=4, sigma=0, maxiter=30, ncv=25, which='LA')
- ^C^[[A^[[D^[[D^[[D^[[D^[[D^[[D^C^C^C^C^C^C^C^CTraceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 1613, in eigsh
- symmetric=True, tol=tol)
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 1049, in get_OPinv_matvec
- return get_inv_matvec(A, symmetric=symmetric, tol=tol)
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 1042, in get_inv_matvec
- return SpLuInv(M).matvec
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 915, in __init__
- self.M_lu = splu(M)
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/dsolve/linsolve.py", line 309, in splu
- ilu=False, options=_options)
- KeyboardInterrupt
- >>> (evals,evecs) = spla.eigsh(m, k=4, maxiter=30, ncv=25, which='LA')
- 31 iterations
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 1658, in eigsh
- params.iterate()
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 570, in iterate
- self._raise_no_convergence()
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 375, in _raise_no_convergence
- raise ArpackNoConvergence(msg % (num_iter, k_ok, self.k), ev, vec)
- scipy.sparse.linalg.eigen.arpack.arpack.ArpackNoConvergence: ARPACK error -1: No convergence (31 iterations, 0/4 eigenvectors converged)
- >>> (evals,evecs) = spla.eigsh(m, k=4, ncv=25, which='LA')
- 30 iterations
- >>> evals
- array([10.85983542, 10.85984277, 10.86362013, 10.86362886])
- >>> (m @ evecs[:,2][:,None]) / evecs[:,2][:,None]
- array([[10.8625413 ],
- [10.85813506],
- [10.86362013],
- ...,
- [10.86362013],
- [10.86362013],
- [10.86362013]])
- >>> (m @ evecs[:,3][:,None]) / evecs[:,3][:,None]
- array([[10.83867541],
- [10.86291009],
- [10.86362886],
- ...,
- [10.86362886],
- [10.86362886],
- [10.86362886]])
- >>> (evals,evecs) = spla.eigsh(m, k=4, sigma=0, maxiter=30, ncv=25, which='SA')
- 31 iterations
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 1658, in eigsh
- params.iterate()
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 570, in iterate
- self._raise_no_convergence()
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 375, in _raise_no_convergence
- raise ArpackNoConvergence(msg % (num_iter, k_ok, self.k), ev, vec)
- scipy.sparse.linalg.eigen.arpack.arpack.ArpackNoConvergence: ARPACK error -1: No convergence (31 iterations, 3/4 eigenvectors converged)
- >>> (evals,evecs) = spla.eigsh(m, k=4, sigma=0, maxiter=30, ncv=25, which='SA')
- 1 iterations
- >>> evals
- array([-6.54957529e-04, -7.42441065e-10, -7.42440575e-10, -2.56385420e-15])
- >>> (m @ evecs[:,0][:,None]) / evecs[:,0][:,None]
- array([[ 0.04059912],
- [ 8.18640569],
- [ 1.16094026],
- ...,
- [ -1.99874594],
- [ 8.70126585],
- [-12.22762544]])
- >>> (evalsL,evecsL) = spla.eigsh(m, k=4, ncv=25, which='LA')
- 92 iterations
- >>> def normalize(a): return a / np.norm(a)
- ...
- >>> normalize([1,2,3])
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "<stdin>", line 1, in normalize
- AttributeError: module 'numpy' has no attribute 'norm'
- >>> def normalize(a): return a / a.norm()
- ...
- >>> normalize(np.array([1,2,3]))
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "<stdin>", line 1, in normalize
- AttributeError: 'numpy.ndarray' object has no attribute 'norm'
- >>> def normalize(a): return a / np.sqrt(np.sum(np.square(a)))
- ...
- >>> normalize([1,2,3])
- array([0.26726124, 0.53452248, 0.80178373])
- >>> np.vdot(normalize(m @ evecsL[:,0][:,None]), normalize(evecsL[:,0][:,None]))
- 0.9999999999999998
- >>> np.vdot(normalize(m @ evecsL[:,1][:,None]), normalize(evecsL[:,1][:,None]))
- 1.0
- >>> np.vdot(normalize(m @ evecsL[:,2][:,None]), normalize(evecsL[:,2][:,None]))
- 1.0
- >>> np.vdot(normalize(m @ evecsL[:,2][:,None]), normalize(evecs[:,2][:,None]))
- -2.419081482096336e-09
- >>> np.vdot(normalize(m @ evecs[:,2][:,None]), normalize(evecs[:,2][:,None]))
- -0.0017878162688716906
- >>> (evalsSA,evecsSA) = spla.eigsh(m, k=3, maxiter=30, ncv=25, which='SA')
- 31 iterations
- Traceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 1658, in eigsh
- params.iterate()
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 570, in iterate
- self._raise_no_convergence()
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 375, in _raise_no_convergence
- raise ArpackNoConvergence(msg % (num_iter, k_ok, self.k), ev, vec)
- scipy.sparse.linalg.eigen.arpack.arpack.ArpackNoConvergence: ARPACK error -1: No convergence (31 iterations, 0/3 eigenvectors converged)
- >>> (evalsSA,evecsSA) = spla.eigsh(m, k=3, maxiter=30, ncv=25, which='SA')
- ^CTraceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 1658, in eigsh
- params.iterate()
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 537, in iterate
- self.ipntr, self.workd, self.workl, self.info)
- KeyboardInterrupt
- >>> (evalsSA,evecsSA) = spla.eigsh(m, k=3, ncv=25, which='SA')
- ^CTraceback (most recent call last):
- File "<stdin>", line 1, in <module>
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 1658, in eigsh
- params.iterate()
- File "/home/lampam/asd/clone/scipy/scipy/sparse/linalg/eigen/arpack/arpack.py", line 537, in iterate
- self.ipntr, self.workd, self.workl, self.info)
- KeyboardInterrupt
- >>> (evalsSA,evecsSA) = spla.eigsh(m, k=3, ncv=250, which='SA')
- 10 iterations
- >>> evalsSA
- array([-7.42451197e-10, -7.42437037e-10, -3.93353846e-15])
- >>> np.vdot(normalize(m @ evecsSA[:,2][:,None]), normalize(evecsSA[:,2][:,None]))
- -0.12631758730141507
- >>> np.vdot(normalize(m @ evecsSA[:,1][:,None]), normalize(evecsSA[:,1][:,None]))
- -0.9999999994851148
- >>> np.vdot(normalize(m @ evecsSA[:,1]), normalize(evecsSA[:,1]))
- -0.9999999994851148
- >>> np.vdot(normalize(m @ evecsSA[:,0]), normalize(evecsSA[:,0]))
- -0.9999999995626186
- >>> (evalsSA,evecsSA) = spla.eigsh(m, k=8, ncv=250, which='SA')
- 7 iterations
- >>> evalsSA
- array([-7.42451042e-10, -7.42442909e-10, -1.04697980e-14, 3.10599130e-06,
- 3.10599130e-06, 2.19728078e-03, 2.23392624e-03, 2.23392624e-03])
- >>> 15.6333043006705 * 33.3564095198152 * abs(3.10599130e-06) ** 0.5
- 0.919031074275525
- >>> np.vdot(normalize(m @ evecsSA[:,3]), normalize(evecsSA[:,3]))
- 1.0000000000000002
- >>> np.vdot(normalize(m @ evecsSA[:,4]), normalize(evecsSA[:,4]))
- 1.0
- >>> np.vdot(normalize(m @ evecsSA[:,5]), normalize(evecsSA[:,5]))
- 1.0000000000000002
- >>> np.vdot(normalize(m @ evecsSA[:,6]), normalize(evecsSA[:,6]))
- 1.0
- >>>
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