**p?getrs**
solves a system of distributed linear equations with a general square matrix, using the *LU* factorization computed by p?getrf.

```
call psgetrs (
```

*trans, n, nrhs, a, ia, ja, desca, ipiv, b, ib, jb, descb, info*)

call pdgetrs (*trans, n, nrhs, a, ia, ja, desca, ipiv, b, ib, jb, descb, info*)

call pcgetrs (*trans, n, nrhs, a, ia, ja, desca, ipiv, b, ib, jb, descb, info*)

call pzgetrs (*trans, n, nrhs, a, ia, ja, desca, ipiv, b, ib, jb, descb, info*)

**p?gbtrs**
solves a system of distributed linear equations with a general band matrix, using the *LU* factorization computed by p?gbtrf.

```
call psgbtrs (
```

*trans, n, bwl, bwu, nrhs, a, ja, desca, ipiv, b, ib, descb, af, laf, work, lwork, info*)

call pdgbtrs (*trans, n, bwl, bwu, nrhs, a, ja, desca, ipiv, b, ib, descb, af, laf, work, lwork, info*)

call pcgbtrs (*trans, n, bwl, bwu, nrhs, a, ja, desca, ipiv, b, ib, descb, af, laf, work, lwork, info*)

call pzgbtrs (*trans, n, bwl, bwu, nrhs, a, ja, desca, ipiv, b, ib, descb, af, laf, work, lwork, info*)

**p?potrs**
solves a system of linear equations with a
Cholesky-factored symmetric/Hermitian distributed positive-definite matrix.

```
call pspotrs (
```

*uplo, n, nrhs, a, ia, ja, desca, b, ib, jb, descb, info*)

call pdpotrs (*uplo, n, nrhs, a, ia, ja, desca, b, ib, jb, descb, info*)

call pcpotrs (*uplo, n, nrhs, a, ia, ja, desca, b, ib, jb, descb, info*)

call pzpotrs (*uplo, n, nrhs, a, ia, ja, desca, b, ib, jb, descb, info*)

**p?pbtrs**
solves a system of linear equations with a Cholesky-factored symmetric/Hermitian positive-definite band matrix.

```
call pspbtrs (
```

*uplo, n, bw, nrhs, a, ja, desca, b, ib, descb, af, laf, work, lwork, info*)

call pdpbtrs (*uplo, n, bw, nrhs, a, ja, desca, b, ib, descb, af, laf, work, lwork, info*)

call pcpbtrs (*uplo, n, bw, nrhs, a, ja, desca, b, ib, descb, af, laf, work, lwork, info*)

call pzpbtrs (*uplo, n, bw, nrhs, a, ja, desca, b, ib, descb, af, laf, work, lwork, info*)

**p?pttrs**
solves a system of linear equations with a symmetric (Hermitian) positive-definite tridiagonal distributed matrix using the factorization computed by p?pttrf.

```
call pspttrs (
```

*n, nrhs, d, e, ja, desca, b, ib, descb, af, laf, work, lwork, info*)

call pdpttrs (*n, nrhs, d, e, ja, desca, b, ib, descb, af, laf, work, lwork, info*)

call pcpttrs (*uplo, n, nrhs, d, e, ja, desca, b, ib, descb, af, laf, work, lwork, info*)

call pzpttrs (*uplo, n, nrhs, d, e, ja, desca, b, ib, descb, af, laf, work, lwork, info*)

**p?dttrs**
solves a system of linear equations with a diagonally dominant-like tridiagonal distributed matrix using the factorization computed by p?dttrf.

```
call psdttrs (
```

*trans, n, nrhs, dl, d, du, ja, desca, b, ib, descb, af, laf, work, lwork, info*)

call pddttrs (*trans, n, nrhs, dl, d, du, ja, desca, b, ib, descb, af, laf, work, lwork, info*)

call pcdttrs (*trans, n, nrhs, dl, d, du, ja, desca, b, ib, descb, af, laf, work, lwork, info*)

call pzdttrs (*trans, n, nrhs, dl, d, du, ja, desca, b, ib, descb, af, laf, work, lwork, info*)

**p?dbtrs**
solves a system of linear equations with a diagonally dominant-like banded distributed matrix using the factorization computed by p?dbtrf.

```
call psdbtrs (
```

*trans, n, bwl, bwu, nrhs, a, ja, desca, b, ib, descb, af, laf, work, lwork, info*)

call pddbtrs (*trans, n, bwl, bwu, nrhs, a, ja, desca, b, ib, descb, af, laf, work, lwork, info*)

call pcdbtrs (*trans, n, bwl, bwu, nrhs, a, ja, desca, b, ib, descb, af, laf, work, lwork, info*)

call pzdbtrs (*trans, n, bwl, bwu, nrhs, a, ja, desca, b, ib, descb, af, laf, work, lwork, info*)

**p?trtrs**
solves a system of linear equations with
a triangular distributed matrix.

```
call pstrtrs (
```

*uplo, trans, diag, n, nrhs, a, ia, ja, b, ib, jb, descb, info*)

call pdtrtrs (*uplo, trans, diag, n, nrhs, a, ia, ja, b, ib, jb, descb, info*)

call pctrtrs (*uplo, trans, diag, n, nrhs, a, ia, ja, b, ib, jb, descb, info*)

call pztrtrs (*uplo, trans, diag, n, nrhs, a, ia, ja, b, ib, jb, descb, info*)

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