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Please report if that solves the problem.

Luc

Hi I am using MAthcad 15. I have insert an excel component for importing the results. But very rarely it works. Most of the time i get this error.

Please help me

Hi I have one ugrent requriment

How I can create Project file (PrjPCB) in altium and once I create it with multiple schematic I want to Map it with Windchill BOM so how I can create the BOM in Windchill so it can associated with Project file

Please let me know if any one has steps

Are you sure you're asking this question in the right Forum?

This Forum is on Mathcad and Prime.

Success!
Luc

a) an explanation for the effect (otherwise I would tend to call it a bug)

I am inclined to think it's a case that is not accounted for in the parser to the symbolic engine, which might explain the different error messages, and the strange places they trace back to. Luc's example, where it works for b=2 in MC11 but not in MC15, is not necessarily because of the change in symbolic engine because the whole compute engine was rewritten for Mathcad 12. An additional note is that when I was playing around in MC15 I also created an example that threw an error that traced back to "Must be a scalar" in the if statement, but I didn't keep that example.

I am working in a thesis project on " Effect of Non Linear Vibration on Functionally Graded Beam". I need exact value of frequencies from Displacement Vs Time graph by Tracing operation in Mathcad. I can Trace the value from graph but in this case the value are obtained the following form:0.36 . But i need the following format :0.365611

I agree with Richard that you are probably better off writing a function to give you the values you want.

However, one way round it may be to turn off Track Data Points in Trace and use Zoom to get closer to the values you want. If you leave Track Data Points on, then Trace will skip to the default values, even if they are off the part of the plot you are looking at. Turning Track Data Points off allows you to pick a particular point on the trace. It's rather mandraulic, though, and will take up time and effort doing all that zooming.

Stuart

When I try to open a file, I get this message. Looks like file has been corrupted for some reason. Can anyone help me recovering this file.

What you are asking for makes no sense to me. You have data or a function for displacement vs time, or you would not be able to plot the graph, therefore you can calculate the displacement at a given time (or vice versa). Please explain exactly what you are trying to accomplish, because whatever it is, reading numbers off a graph is certainly not the best way to do it. Even better would be to post a worksheet showing what you are trying to do.

You can increase the accuracy of the trace by reducing the range plotted:

You can also specify the trace step increment by plotting over a range variable:

(X-Value trace steps in increments of 0.0002)

However, please note that I agree with the others above who are suggesting you obtain the values you want fromt he original function (or data set) that drives the graph.

If you have a data file of times and displacements, and you want frequencies, I suggest you consider doing FFT's of the data.

Here you go.

Thanks a lot Richard. You are the man..

When I start typing what you have, I get an error that says "This value must be a scalar or a matrix."

May be your second k has others style

Theta's subscript k needs to be an array subscript - written as theta[k

It looks like you used the subscript style which is only visual, not functional.

Also, note that I used addition (not multiplication) between 90deg and k*1deg.

Finally, as I mentioned, this is just one possible method you could use. The actual method you choose would largely depend on how your curves are defined. Do you have an example equation for one of the curves that you could share? Alternatively, if you have a data set that defines the curve, that would work too.

Thank you, Yes, the subscript was the problem...

As you can tell, i'm on baby-steps. Does any one have any suggestions on how to get up to speed with MathCAD?

Latter I will post equations of the curves, probably along with more questions.

I will try to keep this thread updated until I get my desired result, which I will post as well, so that others might be able to learn and use it.

The function started working, I think this did the trick, thank you!

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