34. The article of claim 25 , further comprising instructions to execute a curve fit routine to the first compilation, the routine to calculate a theoretical function to data of the first compilation and to calculate at least one derivative of the function.
34. The article of claim 25 , further comprising instructions to execute a curve fit routine to the first compilation, the routine to calculate a theoretical function to data of the first compilation and to calculate at least one derivative of the function. 35. The article of claim 34 , further comprising instructions to limit results in the first compilation within a select derivative of the function, and to return data that falls within the selected function derivative.