Mathcad

It's time for my semi-regular update, rationalization and general cogitation on the whichness and the whereforeness of multi-dimensional arrays (MDAs) in Mathcad.   This time, I'm going to start off with a revamp of my Nested Array support functions.   To kick off the process, I'd like to present the shape function.  shape is intended to specify the structure of a nested array with the intent of being able to both generate and populate an array given this specification.shape(A😞 returns the number of elements in each dimension of A. If A is not an array (eg, a scalar, string or function), then shape returns 0.  If A is a vector or (non-nested) array, then shape returns a 2-vector giving the number of rows and number of columns in A. If A is nested and all the elements of A are arrays of the same shape, then shape returns the shape of (one of) the elements. If A is nested and the elements of A have different shapes, then shape returns an array showing the s

Hello,I am currently working on a project in Mathcad. With some help of Google I was able to make everything work.Except one thing... I would like to output multiple variables from a for loop. Or I would just like to access them AFTER the for loop.Something that I've been trying is this:The output of the for-loop is X. Now when I show X, it shows a matrix with 3 elements. But I am not able to retrieve the contents of the matrix.If I try to retrieve the first column it returns ({789,38}), but I would like to get the matrix I inserted back.Thanks in advance!

Prime: How to create an " ellipsis" of a long formula or break it up so it fits in one page? I have very long formula and do not fit in one page. I will like to break it in 2 or more parts so it can be shown on paper (1 page fits all). How is this done in Prime? see eg.

My next chapter is on Fourier Fast Transforms then followed by Prime Signal Processing Pack. I had come across a number of signals and systems books, mostly at the undergraduate level and were published by USA authors. One book at UG level I had purchased close just over 8 years ago for me came to be the most detailed, thorough, and lucid. I had read more in it than I could remember, I needed it to refer to some material and I came to remember how much I had already read. I like to share the title with you. If you are going to be serious signal and systems person this should be on your shelf.The author has another book on signal processing, but this is on UG signals and systems. Published in UK and elsewhere.Linear Systems And Signals 2nd Ed. by B.P. Lathi. Publisher Oxford. I recommend signals and systems be a 2 semester course. There is too much material to cover in 1 semester, and running thru it in 1 semester will pose difficulties in other related courses.  Too much material

Hello All,I have two worksheets:1.  Fourier Transforms 2. Sampling with Fourier (Next Post).They are not as clean as the Fourier Series more on learning outcome.In sampling a signal was taken thru several steps to get the final sampled signal with a filter applied.If there are any major errors which there might be let me know.Not using the signal pack functions, just the mathematics of Fourier to apply to the signal.Cheers and Thanks.Karl S Bogha.

Hello All,I have two worksheets:1.  Fourier Transforms 2. Sampling with Fourier (Next Post).They are not as clean as the Fourier Series more on learning outcome.In sampling a signal was taken thru several steps to get the final sampled signal with a filter applied.If there are any major errors which there might be let me know.Not using the signal pack functions, just the mathematics of Fourier to apply to the signal.Cheers and Thanks.Karl S Bogha.

Hi,When I print to pdf in Mathcad 15 I always get random horizontal lines that show up in the pdf file. When I print to paper printer it's OK and when I print preview they are not there. The lines only show up in the pdf created document. They are usually over half to 3/4 of the page.I've tried multiple different pdf programs but the bug is common across all of them.How do you fix this, has someone found a free pdf writer that doesn't have this issue?Please excuse me if this question has already been answered, I couldn't find the question / solution on here.Thanks,Dave

If i have a vector A=(0.45, 1.78, 0.82, 0.95, 1.99,  1.12, 0.77), how to create a vector B that contains only B=(0.45, 0.82,  0.95, 0.77); only values that are lower than 1. The other values may be 0 for example.

How to write a statement in an if command in Prime? see ex.

Hi allMC15I want to create range variable like i:=1,2,3,5 to use it in iterations likea.i:=i for exampleNow I`ve to use index vector i={1 2 3 5}T inside program loop for this.Is it possible to create noncontinuous range variable?Many thanks in advance

Добрый день!При попытке конвертации файла MathCAD 15 в PTC MathCAD Prime 3 с помощью команды XMCD-, MCD-преобразователь происходит сбой и в журнале пишется:Exception data:System.TypeInitializationException: Инициализатор типа "<Module>" выдал исключение. ---> <CrtImplementationDetails>.ModuleLoadException: The C++ module failed to load during appdomain initialization. ---> System.DllNotFoundException: C:\WINDOWS\Microsoft.NET\Framework64\v4.0.30319\WPF\wpfgfx_v0400.dll ---> System.ComponentModel.Win32Exception: %1 не является приложением Win32   --- Конец трассировки внутреннего стека исключений ---Помогите, пожалуйста, установить, в чем причина. ОС- 64х, MathCAD - 64х, как и Framework.

Hey guys,i have a very special problem with the equations i postet here. I dont get rid with a right formulation with the on error function. My problem: during a very long calculation i need to make this Iteration calculation. Sometimes it is possible that the Iteration here is not finding a value for Dp. When it is the case, i want to use DShr insteat of Dp.When using DShr insteat of Dp, %D1 is 0 and i can quickly see, when the Iteration is not finding a value. But my problem is that im not getting rid how to correctly define the on error function as vectorising. Because it could be possible, that the first row is OK and only the second ROW of the input vectors lead to a problem in the Iteration. That on error function needs to vectorise Plzzzzzz help me,Thx, Stefan

I try to use lsolve to find coordinates of unknown Bezier control points. But mathcad 15 doesn`t like vector v which consists of vector values.Does it means that I need to solve system for each component of point coordinate,i.e. one time for x and one more time for y?

When will PTC put background color-changing functionality back into Mathcad?

As the title says I've been using mathcad for school for about a year and know the basics decently well.  I am working on a thermodynamics problem but I am getting a no solution found error when I try to solve for v1. If anyone could take a look at this and figure out why I'm getting this error it would be greatly appreciated.  I also plugged values into excel to make sure there is indeed a solution and v1 should come out to be something between 200 and 300 m/s.  Thank you so much for any help!

Hello,I'm using Mathcad Prime 3.0 for a mechanical engineering project at university. Obviously the keyboard I'm using has an italian layout. When I try to use the keyboard shortcut for exponentiation (^) a logical operator appears (instead of "x^y" I obtain "x if |y|"). So the only way possible is to use the ribbon, but it's a big time wasting procedure, if you have to do it again and again and again...PTC already knows about this bug because other users have reported it already when Prime 1.0 and later Prime 2.0 have been released (http://communities.ptc.com/message/167763#167763).The only way to solve the problem (for the great number of Italian students that use this software) is 1) change the keyboard profile to the english one;2) use the "^" keyboard operator (pressing shift+6);3) swap the keyboard profile to italian again.I really hope PTC will solve this very well known bug sooner or later. Thanks.Christian

Hi all,How can I best represent this in Prime? thanks

plz suggest me i am going to data analysis by regression method

Hello everyone,I have a question, although this isn't,  perhaps, the page suitable for such problem . Anyway, I'll try. I want to save some folders with the  Windows command prompt, in safe mode before doing a complete system recovery. I would like to know what are the most convenient options to copy from c:\xxxx  in a pen drive an entire folder and all subfolders  , with the command "ROBOCOPY" from the command prompt? Of course, are welcome several tips about.Thank youF. M.

I had Mathcad Prime 2.0 on my old work computer, which saved files in a .mcdx format.  My new work computer has Mathcad15 on it and saves files in a .mcdz format.  I don't seem to be able to open my old files.  Is there a way to open my old files with Mathcad 15?  Or do I need to re-create them?

Hello,I'm trying to convert a Mathcad Prime 3.1 file to Mathcad 15, in order to use it for a quiz but the PC I have to do the quiz has Mathcad 15.Is there a way to do that conversion?Thanks in advance!

how do I display results using rational exponents instead of the radical?

I've found the solution => delete archive: user.config (is a hidden archive inside the AppData).I've deleted this archive and now the program opens and runs.Thanks God!

I can't open Mathcad Prime 3.I suffered a power cut.I tried many times and it fails.I've reinstalled the program and the problem is there.Error:How can I solve the problem?