Last data update: 2014.03.03
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R: test if argument is a symmetric Toeplitz matrix
is.toeplitz | R Documentation |
test if argument is a symmetric Toeplitz matrix
Description
Auxilary function, used to validate the input of TrenchInverse
Usage
is.toeplitz(x)
Arguments
Details
A symmetric Toeplitz matrix of order n has (i,j)-entry of the
form g[abs(1+i-j)], where g is a vector of length n.
Value
returns True or False according to whether x is or is not
a symmetric Toeplitz matrix
Author(s)
A.I. McLeod
See Also
TrenchInverse , toeplitz
Examples
is.toeplitz(toeplitz(1:5))
is.toeplitz(5)
Results
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