You are here: Symbol Reference > Dew Namespace > Dew.Math Namespace > Classes > TMtxExpression Class > TMtxExpression Methods > TMtxExpression.DefineDouble Method
Dew Math for .NET
ContentsIndexHome
Example

Use parser to evaluate the "Sqrt(X*X + Y*Y)" formula where x=3 and y=4.

using Dew.Math; using Dew.Math.Units; namespace Dew.Examples() { void Example() { // 1. Define variables TDoubleValue x = MyParser.DefineDouble("x"); TDoubleValue y = MyParser.DefineDouble("y"); // 2. Set values x.DoubleValue = 3.0; y.DoubleValue = 4.0; // 3. Add formula and evaluate, MyParser.AddExpr("Sqrt(x*x+y*y)"); double res = MyParser.EvaluateDouble(); // res = 5 } }
Copyright (c) 1999-2024 by Dew Research. All rights reserved.