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# Couls someone explain itereative calculation pls.

## Couls someone explain itereative calculation pls.

(OP)
Iterartion.

I have to use the end result into the the original formula and get a new result..several times, until the difference between two consecutive results is smaller than a certian value ( convergence)..

How to do this with mathcad ??

Thanks

### RE: Couls someone explain itereative calculation pls.

There are a number of functions for doing this type of problem, like minerr or minimize or rkadapt, why do you need to create your own solver?

TTFN

### RE: Couls someone explain itereative calculation pls.

You should be able to do this with 'while' loop calling an external function (or local function for MC12+), see Mathcad programming.

Also Mathcad supports recursive functions (function appears on the right and left side of the equation).

Peter

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