Subject: Re: [xsl] How to dynamically evaluate an equation in the input XML document? From: "Dimitre Novatchev dnovatchev@xxxxxxxxx" <xsllistservice@xxxxxxxxxxxxxxxxxxxxxx> Date: Thu, 15 Jul 2021 15:10:08 0000 
> Have you done this kind of dynamic equation solving using XSLT? If so, how did you do it? What is described is not "equation solving", it is just evaluation of a function for a certain value of a variable. Solving an equation requires to have an equation in the first place. That is, two expressions connected by the "=" operator. Then, solving the equation is to find all the sets of variable values, for which this equation holds (the = is true). Please, be more precise and do not confuse these wellknown concepts. Cheers, Dimitre On Wed, Jul 14, 2021 at 11:48 AM Roger L Costello costello@xxxxxxxxx < xsllistservice@xxxxxxxxxxxxxxxxxxxxxx> wrote: > Hi Folks, > > I have XML documents like this: > > <ConverttoCelsius> > <equation>(Fahrenheit  32) * (5/9)</equation> > <variable> > <name>Fahrenheit</name> > <value>32</value> > </variable> > </ConverttoCelsius> > > The document contains an equation which might contain variables. If it > does contain variables, then I need to fetch their values and replace the > variables in the equation with their values and then compute the value of > the equation. > > Have you done this kind of dynamic equation solving using XSLT? If so, how > did you do it? > > Any suggestions on how to approach this problem would be appreciated. > > /Roger > > >  Cheers, Dimitre Novatchev  Truly great madness cannot be achieved without significant intelligence.  To invent, you need a good imagination and a pile of junk  Never fight an inanimate object  To avoid situations in which you might make mistakes may be the biggest mistake of all  Quality means doing it right when no one is looking.  You've achieved success in your field when you don't know whether what you're doing is work or play  To achieve the impossible dream, try going to sleep.  Facts do not cease to exist because they are ignored.  Typing monkeys will write all Shakespeare's works in 200yrs.Will they write all patents, too? :)  Sanity is madness put to good use.  I finally figured out the only reason to be alive is to enjoy it.
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