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Package sage :: Package linalg :: Module sparse_matrix :: Class SparseVector |
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Method Summary | |
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__init__(self,
base_ring,
degree,
entries,
coerce,
sort)
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__add__(self,
right)
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__getitem__(self,
i)
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__neg__(self)
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__repr__(self)
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__rmul__(self,
left)
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__sub__(self,
right)
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add(self,
right,
multiple)
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base_ring(self)
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degree(self)
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dense_list(self)
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dense_vector(self)
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entries(self)
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first_nonzero_entry(self)
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first_nonzero_position(self)
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list(self)
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num_nonzero(self)
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parent(self)
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randomize(self,
sparcity)
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Rescale self by multiplying each entry by scalar. | |
scalar_multiple(self,
left)
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set_entries(self,
entries,
coerce,
sort)
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Method Details |
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rescale(self, scalar)Rescale self by multiplying each entry by scalar. NOTE: Sparse vectors are stored as lists of 2-tuples, and 2-tuples are immutable, so this function is not more efficient than simply using scalar*self. |
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