Révision 94 pobysoPythonSage/src/sageSLZ/sageMatrixOperations.sage
| sageMatrixOperations.sage (revision 94) | ||
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| 68 | 68 |
return True |
| 69 | 69 |
# End smo_is_upper_triangular_matrix |
| 70 | 70 |
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def smo_max_non_null_abs(mat): |
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| 72 |
""" |
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Compute the maximum absolute value of the matrix elements. |
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""" |
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maxNonNull = -Infinity |
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mlist = mat._list() |
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for i in mlist: |
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if i != 0 and i.abs() > maxNonNull : |
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maxNonNull = i.abs() |
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return maxNonNull |
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# End smo_min_non_null_abs |
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# |
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|
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def smo_min_non_null_abs(mat): |
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""" |
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Compute the minimum absolute value of the matrix elements. |
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""" |
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minNonNull = Infinity |
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mlist = mat._list() |
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for i in mlist: |
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if i != 0 and i.abs() < minNonNull : |
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minNonNull = i.abs() |
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return minNonNull |
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# End smo_min_non_null_abs |
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| 71 | 96 |
print "\t...sageMatrixOperations loaded" |
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