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This CD contains symbols which represent a number of special types of
matrix, such as Hessenberg.
This symbol represents an upper_Hessenberg matrix, it takes one argument,
the argument is a vector of vectors representing the non-zero
elements. The first element of the argument specifies the value of the
first subdiagonal, the subsequent elements specify the value of the
diagonal and subsequent super-diagonals, all other elements are zero.
Example:
A specification of an upper_Hessenberg matrix of dimension 5:
[[1 2 3 0 0]
[4 5 6 7 0]
[0 8 9 10 11]
[0 0 12 13 14]
[0 0 0 15 16]]
This symbol represents a lower_Hessenberg matrix, it takes one argument,
the argument is a vector of vectors representing the non-zero
elements. The first element of the argument specifies the value of the
first super-diagonal, the subsequent elements specify the value of the
diagonal and subsequent subdiagonals, all other elements are zero.
Example:
A specification of a lower_Hessenberg matrix of dimension 5:
[[1 2 0 0 0]
[3 4 5 0 0]
[6 7 8 9 0]
[0 10 11 12 13]
[0 0 14 15 16]]
