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Andrewk21-Visitor
1-Visitor
October 25, 2011
Solved

Symbolic Solve: "No solution was found"

  • October 25, 2011
  • 5 replies
  • 10058 views

Having trouble with symbolic equation manipulation. Everything looks OK until I try to use the "solve" keyword to flip-flop a dependent variable with an independent variable.

Stumped. See attached (v11 & v15)

Best answer by Fred_Kohlhepp

Andrew Kelly wrote:

Thanks, Andy. Can you explain why it wasn't able to solve for "SF" and why the "SF=sf" statement was required for the solve statement to work?

Is there any info in the help documentation, tutorials, quicksheets, etc. that would have helped me figure this out on my own? Live symbolics doesn't seem to be documented very well.

In orger for the "solve" to work you needed a symbolic equation [=] not[:=] for the symbolic solver to manipulate. When you wrote "SF := " you were making a numeric engine declaration, by introducing "sf", there was an equation to be manipulated.

5 replies

AndyWesterman12-Amethyst
12-Amethyst
October 26, 2011

Is this what you need?

Regards

Andy

Andrewk21-VisitorAuthor
1-Visitor
October 26, 2011

Thanks, Andy. Can you explain why it wasn't able to solve for "SF" and why the "SF=sf" statement was required for the solve statement to work?

Is there any info in the help documentation, tutorials, quicksheets, etc. that would have helped me figure this out on my own? Live symbolics doesn't seem to be documented very well.

Fred_Kohlhepp23-Emerald IAnswer
23-Emerald I
October 26, 2011

Andrew Kelly wrote:

Thanks, Andy. Can you explain why it wasn't able to solve for "SF" and why the "SF=sf" statement was required for the solve statement to work?

Is there any info in the help documentation, tutorials, quicksheets, etc. that would have helped me figure this out on my own? Live symbolics doesn't seem to be documented very well.

In orger for the "solve" to work you needed a symbolic equation [=] not[:=] for the symbolic solver to manipulate. When you wrote "SF := " you were making a numeric engine declaration, by introducing "sf", there was an equation to be manipulated.

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