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PM_118583633-Newcomer
3-Newcomer
Sep 6, 2024 8:06 AM UTC
Question

Symbolic Solve for Unknown Variables

Hi, 

 

Mechanical engineering student here,

 

I'm trying to use MathCAD Prime 7 to solve for unknown variables in a linear equation using the symbolic solve function.

 

All I seem to get is the spinning yellow disc loading icon.

 

Can anyone help? 

I have attached the file in question.

 

8 replies

NickKemaev12-Amethyst
12-Amethyst
Sep 6, 2024 9:09 AM UTC

Screenshot_1.jpg

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    terryhendicott
    terryhendicott21-Topaz II
    21-Topaz II
    Sep 6, 2024 9:28 AM UTC

    Hi,

    Just be patient you have done nothing wrong in your equations. Using root function is perhaps faster.

    Capture.JPG

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      PM_118583633-NewcomerAuthor
      3-Newcomer
      Sep 6, 2024 12:18 PM UTC

      Thank you both for the reply.

       

      Something seems off as I've let the application run for 1 hours plus and it just will not solve. The machine I'm running this on is a cad workstation with an i7 CPU so I do not believe it's due to lack of processing power.

       

      I sent this file to colleague of mine who's workstation is the same and is running the same version of mathcad (prime 7) and he seems to be observing the same behavior.

       

      Can I ask which versions of mathcad you are both running?

       

      Is there anyway to troubleshoot this or view some kind of solver log file?

       

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      FredLusk14-Alexandrite
      14-Alexandrite
      Sep 9, 2024 4:29 PM UTC

      I tried your worksheet in Mathcad Prime 9 on a Dell Latitude 5440 laptop with an i7 CPU and 16 GB of RAM.  The OS is Windows 10 Enterprise, 64-bit.

      Upon opening the worksheet, F.cs took about 2 seconds to calculate (very odd because it's a simple divide by 3), but the rest of the worksheet was almost instantaneous.  I then changed a few predecessor variables to see how fast F.r and F.s calculated, and each time it was almost instantaneous.

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      AndyWesterman12-Amethyst
      12-Amethyst
      Sep 16, 2024 12:51 PM UTC

      First question is - Does the symbolic engine work?

       

      try a simple calculation e.g. 

      AndyWesterman_0-1726489747390.png

      If this works, then not the issue that I had, 

      If it sticks with the spinning disc, then its possible that you have a similar issue to a colleague and myself.

       

       We had an issue of this nature & it appears to have been resolved by creating a separate installation folder eg "programme/PTC" rather than "program files/PTC".
      (Note: I initially set the folder as programme & the IT guy changed it to program; windows now complains about this name every time it boots as it might stop some software from working!!)

       

      I'm assuming that  there is an interaction (in our case) between Prime and Creo.

      And, since you are a mechanical engineer, I suspect that this will also apply to you.

       

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