The package solves linear system of equations Ax=b by using Preconditioned Conjugate Gradient Algorithm where A is real symmetric positive definite matrix. A suitable preconditioner matrix may be provided by user. This can also be used to minimize quadratic function (x'Ax)/2-bx for unknown x.
|Author||B N Mandal <[email protected]> and Jun Ma <[email protected]>|
|Maintainer||B N Mandal <[email protected]>|
|License||GPL (>= 2)|
|Package repository||View on CRAN|
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