Manual

Matrices 479
Spectral Norm Spectral Norm of a square matrix.
SPECNORM(matrix)
Example:
SPECNORM returns 5.46498570422
Spectral Radius Spectral Radius of a square matrix.
SPECRAD(matrix)
Example:
SPECRAD returns 5.37228132327
Condition Condition Number. Finds the 1-norm (column norm) of a
square matrix.
COND(matrix)
Example:
COND returns 21
Rank Rank of a rectangular matrix.
RANK(matrix)
Example:
RANK returns 2
Pivot Given a matrix, a row number n, and a column number,
m, uses Gaussian elimination to return a matrix with
zeroes in column m, except that the element in column m
and row n is kept as a pivot.
pivot(matrix,n,m)
Example:
pivot returns
12
34
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
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

12
34






12
34






12
34






12
34
56
11,,
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
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12
02–
04–