Hello, Is there a way to solve two nonlinear equations and find x and y from them using LabVIEW without MatLAB and MathScript (don`t have ones on the lab PC)? Maybe someone has an example.. Thanks.

When I ran your VI, I got error -23023. When I enter that into Explain Error, I get Wrong dimension on Start. Error -23001 is a syntax error. In your second equation you have sqrt(x^2 - y^2) while the equation in your initial post has a +, not a -. That does not give me a syntax error but it does prevent finding a zero. The reason for error -23023 is that you have specified Start but not End. Creating a control for End and entering two values immediately finds a zero at 1518.178612... Here is the VI I used. You may need to relink the reference to the function VI because it will be in a different location. Lynn

LabVIEW

Nonlinear Equations

Solved!

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Thank you very much, Lynn! You helped me a lot with these equations!

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LabVIEW

Nonlinear Equations

Re: Nonlinear Equations