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smilani1-Visitor
1-Visitor
February 1, 2018
Solved

Given-Find Non Linear system solution with interp function

  • February 1, 2018
  • 4 replies
  • 2142 views

Dear all,

 

I need to solve a system of non linear equation.

I have a problem with mu(theta) function: if I use this function in given-find system, mathcad not find solution, but if I set a constant value the system is solved. 

 

How can I set the mu function, into the given-find solution to obtain the correct solution?

 

Best regards

Stefano

Best answer by Werner_E

The symbolics can't deal with numeric interpolation functions  - that seems to be the real reason for the error.

But I guess you don't need a symbolic result. Simply provide reasonable guess values and use numeric evaluation:

Bild.PNG

 

4 replies

W
Werner_E25-Diamond IAnswer
25-Diamond I
February 1, 2018

The symbolics can't deal with numeric interpolation functions  - that seems to be the real reason for the error.

But I guess you don't need a symbolic result. Simply provide reasonable guess values and use numeric evaluation:

Bild.PNG

 
S
smilani1-VisitorAuthor
1-Visitor
February 1, 2018

I set the initial guess, but I continue to have a problem. Can you share the file?

 

Thanks

W
Werner_E25-Diamond I
25-Diamond I
February 1, 2018
wrote:

I set the initial guess, but I continue to have a problem. Can you share the file?


Already deleted

But I guess you forgot to delete the symbolic evaluation (the arrow -> after Find)

Either use Find(...) without anything after it or use a normal equal sign for numeric evaluation

 
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