topic Help: error with integration - need setup assistance in Mathcad

Help: error with integration - need setup assistance

ptc-4156096 — Thu, 03 May 2018 18:27:51 GMT

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

Re: Help: error with integration - need setup assistance

MikeArmstrong — Wed, 18 Jan 2012 07:35:22 GMT

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

AlanStevens — Wed, 18 Jan 2012 07:58:44 GMT

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

Re: Help: error with integration - need setup assistance

ptc-4156096 — Wed, 18 Jan 2012 16:25:52 GMT

Alan, thanks that did it.

Re: Help: error with integration - need setup assistance

VladimirN — Thu, 19 Jan 2012 06:58:16 GMT

Mike,

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

Re: Help: error with integration - need setup assistance

MikeArmstrong — Thu, 19 Jan 2012 07:11:45 GMT

Cheers for the file Vladimir.

Mike

Re: Help: error with integration - need setup assistance

VladimirN — Thu, 19 Jan 2012 07:38:45 GMT

No problem.