<sod>  of the [[Approximation error|relative errors]] in the solution to the [[relative error]] in the data,
 over the problem domain:
 
:<math>\max \left\{ \left| \fra(x) - f(x^*)}{f(x)} \right| \left/ \left| \frac{x - x^*}{x} \right| \right. : |x - x^*| < \epsilon \right\}</math>
 
 where <math>\epsilon</math> is some reasonably small value in the variation
 of data for the problem.
 <eod> <sod> of the [[Approximation error|relative errors]] in the solution to the [[relative error]] in the data,
 over the problem domain:
 
:<math>\max \left\{ \left| \frac{f(x) - f(x^*)}{f(x)} \right| \left/ \left| \frac{x - x^*}{x} \right| \right. : |x - x^*| < \epsilon \right\}</math>
 
 where <math>\epsilon</math> is some reasonably small value in the variation
 of data for the problem.
 <eod>