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Matrix.BackError Property
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The component-wise backward error.

Syntax
C#
Visual Basic
public double BackError;
Remarks

Set by the LUSolve method, if the RefineSolution property was True. The BackError property returns the component-wise backward error b. The backward error is the smallest relative perturbation in elements of A (where A is the calling matrix) and b such that X is the exact solution of the perturbed system: 

 

The BackError property is calculated only if the RefineSolution property is set to true.

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