---
title: nvec
framework: accelerate
role: symbol
role_heading: Instance Property
path: accelerate/sparselsmroptions/nvec
---

# nvec

The number of vectors to use for local reorthogonalization.

## Declaration

```swift
var nvec: Int32
```

## Discussion

Discussion If this value is 0, the operation doesn’t perform reorthogonalization.

## See Also

### Inspecting LSMR Options

- [atol](accelerate/sparselsmroptions/atol.md)
- [btol](accelerate/sparselsmroptions/btol.md)
- [conditionLimit](accelerate/sparselsmroptions/conditionlimit.md)
- [convergenceTest](accelerate/sparselsmroptions/convergencetest.md)
- [SparseLSMRConvergenceTest_t](accelerate/sparselsmrconvergencetest_t.md)
- [lambda](accelerate/sparselsmroptions/lambda.md)
- [maxIterations](accelerate/sparselsmroptions/maxiterations.md)
- [reportError](accelerate/sparselsmroptions/reporterror.md)
- [reportStatus](accelerate/sparselsmroptions/reportstatus.md)
- [rtol](accelerate/sparselsmroptions/rtol.md)