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Help: error with integration - need setup assistance

SOLVED
ptc-4156096
Newbie

Help: error with integration - need setup assistance

I'm trying to reproduce a result over a range of values for specific volume. I was able to run through the equation and I got a result as expected on page 1 with a defined specific volume.

I then tried to reproduce and graph the results if I varried the specific volume over a given range (page 2), but ran into a issue. I know the integral is producing the error, but don't know how to properly set up the integral in MathCad over a range. Any help on setting up the problem differently or how to work around this issue would be appreciate.


Thanks

Tyler

1 ACCEPTED SOLUTION

Accepted Solutions

Re: Help: error with integration - need setup assistance

Tyler Donnell wrote:

,,, I know the integral is producing the error, but don't know how to properly set up the integral in MathCad over a range. Any help on setting up the problem differently or how to work around this issue would be appreciate.


Thanks

Tyler

Since you are integrating with respect to eta you should change all instances of 'eta(v)' into just 'eta' within the integral (but keep it as 'eta(v)' in the upper limit of the integration).

Alan

View solution in original post

6 REPLIES 6

Re: Help: error with integration - need setup assistance

Have you got the worksheet in Mathcad 15? I'm having issues with my Prime 1.0 license at the moment.

Mike

Re: Help: error with integration - need setup assistance

Mike,

Here's a PDF version of this document (see attachment).

Re: Help: error with integration - need setup assistance

Cheers for the file Vladimir.

Mike

Re: Help: error with integration - need setup assistance

No problem.

Re: Help: error with integration - need setup assistance

Tyler Donnell wrote:

,,, I know the integral is producing the error, but don't know how to properly set up the integral in MathCad over a range. Any help on setting up the problem differently or how to work around this issue would be appreciate.


Thanks

Tyler

Since you are integrating with respect to eta you should change all instances of 'eta(v)' into just 'eta' within the integral (but keep it as 'eta(v)' in the upper limit of the integration).

Alan

View solution in original post

Re: Help: error with integration - need setup assistance

Alan, thanks that did it.

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