Graphmath.Mat44.at
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at, go back to Graphmath.Mat44 module for more information.
Link to this function
at(a, i, j)
Specs
at(mat44(), non_neg_integer(), non_neg_integer()) :: float()
at( a, i, j) selects an element of a mat44.
a is the mat44 to index.
i is the row integer index [0,3].
j is the column integer index [0,3].
This returns a float from the matrix at row i and column j.