tridiag_inv_unif_by_sums {ICSsmoothing} | R Documentation |
Construct inverse of a tridiagonal matrix T_n(a,b,a).
Description
tridiag_inv_unif_by_sums
constructs inverse of a regular tridiagonal matrix T
_n
(a
,b
,a
)
with constant entries by a special algorithm using sums of matrix elements.
Usage
tridiag_inv_unif_by_sums(n, a, b)
Arguments
n |
an order of given tridiagonal matrix. |
a |
a value of tridiagonal matrix elements that are off-diagonal. |
b |
a value of tridiagonal matrix diagonal elements. |
Value
The inverse of matrix T
_n
(a
,b
,a
).
Examples
tridiag_inv_unif_by_sums(5, 1, 4)
tridiag_inv_unif_by_sums(9, 10, -1)
[Package ICSsmoothing version 1.2.8 Index]