Mixtures and Parallel Gray-Scott Reactions

Example 17. Continuous Mixtures and Parallel Gray-Scott Reactions 

The first of these equations shows that (/(jc)//a(jc)[1 of x and may be taken as the parameter ft, so that 

the parametric approach works well for continuous mixtures and we have only to calculate integrals, which, except in particular cases, we may have to calculate using finite sums. 

The parametric approach lends itself to a spreadsheet type of calculation. The first column can contain a large number of values of SI spaced logarithmically, i.e., if there are N values between a and b, the nth is a(bla)n/N. Actually, it is best to have three contiguous intervals (a,b), (b,c), and (c,d) each with, for example, 100 values each. Then a and d can be chosen to get a convincing 

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