Questions about mXparser published on http://mathparser.org/.
Questions tagged [mxparser]
5 questions
0
votes
1 answer
mXparser's iff() conditional does not support equality test
I'm using the Java/.NET symbolic math library mXparser (5.0.2) to support user-provided math expressions in my app.
Problem
I found that the conditional clause iff does not support equality test, e.g.,
var f = new Function("f(x1, x2) = x1 +…
kakyo
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1 answer
mXparser - how to determine the token type of a user defined argument
Using the library https://mathparser.org/mxparser-tutorial/playing-with-expression-tokens/
Assume I have the follow functions:
val origEl = Expression("revenue - cogs")
origEl.copyOfInitialTokens // this returns an array of `Token`
What is the…
echen
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0
votes
1 answer
mxparser performance for single expression evaluated multiple times
I have a scenario where I need to evaluate one expression 1 million times, but on each iteration the only things that do change are the argument values:
var x1 = new Argument("X1", double.NaN);
var x2 = new Argument("X2", double.NaN);
var x3 = new…
herme 0
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0
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2 answers
mXparser result rounding
I am trying out mXparser in an android app and I almost have it working. But, if I parse the following expression "10/3" then it returns: 3.33333333335. Why this rounding in the end? and how do I tell mXparser to return 3.33333333333 instead?
I am…
7heViking
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-1
votes
1 answer
Can I make mXparser algorithm run faster
I made a basic graph plotter in Java using the mXparser library. Now, it does its job just fine, the only problem is that the program itself takes about 2.5 seconds to draw a basic function, like x^2. Can I somehow optimize the algorithm so that it…
