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Matrix _ (...)
-- get an entry
Synopsis:
Operator:
_
Input:
an instance of class
Matrix
.
an instance of class
Sequence
.
Output:
an instance of class
RingElement
.
f_(i,j)
-- provide the element in row
i
and column
j
of the matrix
f
.
See also:
_
Matrix
-- the class of all matrices
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