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Re: How to solve an ode like this in Mathcad?
Thank you werner, your method really work well. But when I change the power from 1/3 to 1/2, even use sqrt(), it still won't work... It seems when the root number of y(x) is even, the solve block...
View ArticleRe: How to solve an ode like this in Mathcad?
The square root of a negative y(x) is of course non-real - regardless of how you write it.
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Re: How to solve an ode like this in Mathcad?
zhu laojianke wrote: Thank you werner, your method really work well. But when I change the power from 1/3 to 1/2, even use sqrt(), it still won't work... Odesolve won' work in domain complex so you...
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Re: How to solve an ode like this in Mathcad?
OK! I got it. The root of y(x) (whether positive or negative) must could be real, then the ode solve block can do his job.
View ArticleConfigration Management Global policy
How to set Global Policy for Change Packages? Can we set the Change Package Reviewers to multiple users and anyone can approve/accept the change package (No need to accepted by all the members listed...
View ArticleRe: How to show individual weight of Parts at Assembly Level
This might help. Here is a recent similar thread. http://communities.ptc.com/thread/55754?tstart=60
View ArticleRe: Opening All Files of one type (extension)
Thanks for all your responses. I am stil working on modifying for my use, apparently Useraccounts.CommonDialog is not supported in windows 7. If I get it working I'll post it here.
View ArticleRe: How to solve an ode like this in Mathcad?
It seems there are many methods to solve an ode, and how to choose the appropriate one is really a matter.
View ArticleRe: Changes saved to Workspace lost. Help please
Hi Landric, I'll move this thread to the Windchill Community as you will likely have more success asking there.
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Re: Increase Creo performance - long load times
A lot of time can be saved, and performance gained, by going through the message log and getting rid of the causes of the errors that pop up.
View ArticleRe: Increase Creo performance - long load times
Francis comment is a good point. If you were to inspect the timestamps in the trail file on reteive, you'd be able to see how much of the wait is HLR related (and yes the other stuff that David pointed...
View ArticleRe: this value must be a function but has the form unitless mathcad
Hi Vetri, I've moved this to the MATHCAD Community.
View ArticleRe: this value must be a function but has the form unitless mathcad
an and bn need to be made functions of v.n, in the ode solve block, needs to be a function of t.See attached. Alan
View ArticleRe: Variational method
I've simplified your integrals as much as possible; replaced them by discrete summations (with a really coarse resolution!) ; and they still take a while to evaluate! See attached. Incidentally the...
View ArticleRe: Windchill Global Attribute
My guess is that you are not a member of the Attribute Administrators group. It is a special, out of the box group that even if you are a Site or Org Admin you still need to be a member of to edit...
View ArticleRe: Table of results
Thank you. I don't understand your reference to 'live data'. Do you mean that I shoudl have uploaded my Mathcad worksheet?
View ArticleRe: Table of results
Thank you very much. These are simple enough even for little me to understand. I probably only need to do this once, so no refinement is really necessary.
View ArticleRe: Windchill Global Attribute
Thanks Al, That may be, but I have not changed anything and up until a few weeks ago when I made new attributes, I was able to do so? I have always been able to log in as the wcadmin and make these...
View ArticleRe: Table of results
This, too, is not too difficult for me, but maybe more than I require. I'm using Mathcad 15 at present. Thank you very much. How can I retrieve your worksheet/ I can screen-grab, of course, but I...
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