Wow...
Thanks a lot
I never thought I should mention unit beside 0
Now it is working and I can Continue
But i did not understand why should I use some variation except x...
Thanks a million
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Re: Not return Value when using integral in MathCad Prime!!
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Re: Not return Value when using integral in MathCad Prime!!
You could also follow this "road" ...:
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Export data
Hello,
I am using Prime 3.0. I want to export data from a trace in a plot into Excel. How can I do this?
I can see one can import data from Excel, but what about exporting from Mathcad to Excel?
Thanks in advance
Pascal
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Re: Changed computers and Mathcad 15 only load 75% of the way
I suppose you can now mark the discussion as 'answered'...
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Re: Export data
One possibility is:
You can use WRITEPRN and APPENDPRN to write successive rows of a matrix to the same output file and after completion read the data into Excel as a (comma separated) delimited file.
Success!
Luc
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Re: Export data
Thank you. I'll try to do it this way. I have to get my data into a matrix. I have defined how to plot Gain ad Phase of a complex transfer function. I only have the traces so far. I'll try to manage that before using your advise.
Thanks
Pascal
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Re: Not return Value when using integral in MathCad Prime!!
Thanks a lot
it is another choice and every root has its own benefits
may I ask you how can I find and learn about forms of evaluation, I mean the terms of "Simplify" and "Max" you use at the to of evaluate icon??
Thanks
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Re: Not return Value when using integral in MathCad Prime!!
But keep in mind that symbolic evaluations in Mathcad are very weak and cannot be compared to those of Maple or Mathematica (not even Matlab, which basically uses the same engine). If your function W(x) gets more complex or if you use if-statements or if-functions instead of the Heaviside function the symbolics will fail. On the other hand - if possible its a good idea to symbolically evaluate the integral(s) as the numerical calculation of those double integrals takes a lot of time and things can be speeded up that way.
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Re: Not return Value when using integral in MathCad Prime!!
...see Werner here above...
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Re: Not return Value when using integral in MathCad Prime!!
oh ye Thanks a million for your kind helps...
Actually my another problem is always time of calculation for second integral and now i got the answer
again thanks a lot
I ham happy now
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Re: Intermittent File Save Issues on Network
No license borrowing. We have firmly tethered desktop machines. License isn't dropping. However, even if the license dropped, a message would pop up warning that the currently loaded files should be saved to disk. This isn't happening.Mathcad is running properly and it "looks" like it is saving the file properly, but it's not actually updating the file.
Autosave is up to the users, but it has caused problems in the past so I believe most users run with it off. I may have this user change his current autosave state and see if it helps.
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Re: Intermittent File Save Issues on Network
Ok.
And PTC's tech support?
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Re: Export data
I don't have Prime 3 (but Express Prime 3.1 and 4). But I do have Mathcad 11.
You should be able to write a program like this in Prime 3 to produce a .CSV formatted file from a matrix:
Success!
Luc
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Re: Export data
Ah, Prime (at least in version 3.1 and up) has the function WRITEFILE to write a matrix to a text or Excel file. So maybe you don't need to pragram at all.
Produces a file with contents:
"One" "Two" "Three"
1 2 3.14159265358979
-1 -2 -3.14159265358979
That is Tab-separated, which is also good for Excel.
Success!
Luc
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Re: Export data
So probably an implementation of my WRITECSV function that better matches Prime's WRITEFILE function is:
Should anyone need this functionality in Mathcad (15 or below), it is attached.
Luc
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RKfixed Help
Hey guys, I am attempting to solve a complex problem with rkfixed. At the bottom of my sheet is where you will find the function. I have my ODE defined with the variable "D", and when I run rkfixed it returns "this function cannot be used here". I have been researching for hours with no luck to find the reason. Can someone please help?
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Re: Dropdown list
Hi Jeff,
I have tried to type into the script according to your guidance but got some error messages and gave up after all.
Anyway what I did at the end, just picked what I need from the listbox, found which element was it, then wrote this number back into the script to the "If OnLoad Then
ListBox.CurSel = " section.
Maybe later I will try again to set up your method, it is much sophisticated than mine
Thank you anyway!
Viktoria
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Re: Problem with coding.
Before continuing, I would recommend you to use the units of measure for all physical quantities present in the worksheet, both constant and variable. In this way they are highlighted inconsistencies that, without such use, would not appear.
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Re: RKfixed Help
First error i spot is at page 2 - a unit mismatch
Not sure if it it is used later and has anything to with the solve block, but I would not go any further without fixing that problem.
Second error I spotted is the use of the vector cross product instead of a normal multiplication
After fixing that the solve block works, but stops with the error "This value must be real". That error is not traceable. No clue what the reason could be. Maybe you'll have to check your model for inconsistencies.
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Re: Solve Block for 3 eq'ns 2 unknowns for vector inputs
See the attached.
Alan
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