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# SparsePreconditionerDiagScaling

A diagonal scaling preconditioner.

```
var SparsePreconditionerDiagScaling: SparsePreconditioner_t { get }
```

## Discussion

[`SparsePreconditionerDiagScaling`](/documentation/Accelerate/SparsePreconditionerDiagScaling) provides a simple preconditioner for the least squares minimal residual (LSMR) method.

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