Mathcad

Hello all, I have defined a function in Mathcad (prime v6.0) to calculate elastic modulus of concrete with two parameters density (gama-c) and compressive strength (fc) as shown in the following photo. As you can also see from the photo, the function gives a different value and units to that if we evaluate the expression directly.

Hi Experts,   Below are my office Mathcad (with legal license) and OS (with legal license) information.     I searched "control(s)" in community, but I can not find final solution. Some posts were posted about 10 or even about 20 years ago...   The problems are that: 1. when I open the quicksheet "Controls and Automation" (Ibelieve you can find the quicksheet in mathcad folder, anyway i save as and upload it), the button does not work. see below screenshot   2. Another problem is that when I Insert -> control -> Push button (or other controls or Web control...), nothing apears. Also, Insert -> Data -> Table, nothing apears.      But my own home computer(Win 10 OS). Mathcad (Mathcad15, need check details) works well without above kind of problems. So for the compatibility, I need avoid to use controls. This is very inconvenience and make sheet to be lower leavel... I try to find solution for years from internet and F1 help. Bu

Hi guys,   anyone knows how can I change the resulting vector to not include the 0's? meaning to be just a 2x1 vector?   thanks,

I am looking for a function in MathCAD Prime that will give me the atomic or molecular weights of elements or molecules. There is a function in Excel called mw() where you add the name of an atom or molecule in quotes and it gives you the weight per mole. For example =mw("Li2CO3") produces 73.89138.   As a chemical engineer this would be a very useful function in MathCAD and frankly I'm surprized it isn't in the base functionality.   Can anyone suggest how one might try to implement this functionality?   Thank you in advance!   Mike McNamara, P.E. Simbol Materials

Hi guys,   I'm pretty new in mathcad and I really need your help. I have a vector and I want to check each member of it, if it is negative or positive. If it is negative, I want to compare it with a value but if it is positive I want the program to stop. Please see attached   Cheers,

Hello, Attached is Mathcad 15 file. I don't know why i am getting two different results with matrix multiplication. Thanks, Sam

Hi everyone, I started Mathcad with Prime without knowing the all extra functionalities Mathcad 15 has. Please see the following screenshot. If I copy and paste Mathcad 15 lines and paste into the Word, result is perfect, everything is clear and it seems like vector image since I can resize it. If I copy and paste Prime lines, it is awful. I cannot put that in my report like that. Same result with rtf export. PDF export is better, but I have to include those in my report. So, I know this comment is made thousand times in this forum, but how PTC can think removing too many functionalities and features is a good idea? I mean almost everybody uses Mathcad to supplement reports. I would like to hear your user experience too. Do you only attach your report as PDF? Is there anyway to get the calculations to Word from Mathcad? (I know the answer, no.)  

Dear all I try to divide element matrices but when I use n=100 , program error.Do have any methods/solution to avoid this problem?Thank u  

How do i solve the problem, when it says that i must be a interger    

To all   Not really a Mathcad specific question but a “fundamental “ math question. I know that some of the regular contributors to this forum have the expertise.   I am comparing 2 vectors {v1} and {v2} of length N using the formula      [{v1}T*{v2}]^2 / [{v1}T{v1}*{v2}T{v2}]  where T = Transpose   I did a check using 2 very simple vectors of length 11 so that for x = [0,1..10] V1 = x^2 and v2 = 10*x Using the formula I get 0.938 thus suggesting that these 2 vectors are very similar. But clearly they are not! Has anyone got “insight” on this? It’s quite common to use this formula in some engineering field and setting-up a threshold of > 0.9 as acceptable to assume that the vectors are similar. in this case this is telling me that a stragith line is almost as good as a parabola.   Thanks Regards   a link: here

I have made a worksheet to mimic a calculation I did in Excel. It takes a list of data and uses it as a variable input, and returns a list of solutions based on the sequential input value. How do I make these values display in a summary table? I used what I think are matrices or arrays to do this. Worksheet is attached.

to all   I am trying to compare set of data and I imported it as a csv. file. Essentially a "matrix" of Nrow =300,000 by 60 columns. The data represents combined (aggregated) csv files (300000x4) Mathcad 15 is struggling and I got an 'out of memory error' Short of using a different software any advice on manipulating large matrices in mathcad 15? I am going to do a test using the 4th column of data from each file   Regards  

I do not know what I am missing but the solve block in Mathcad Prime is not giving me the answers I am looking for. Can someone please help. Worksheet is attached  

Hi Community friends,   Please see the attached calculation sheet, in which I descripted my question. Appreciates... This problem had been haunting my mind for a long time   The revision is Mathcad 15.0 (M050 []). My OS is Win 10 family basic.   Thanks

Good morning everyone,how can I make the calculated value of the symbolic solution coincide with the numerical one of the given transcendent equation? (Imposing with the assumption that 20 <x <30 it falls into an endless loop ) I thank

Hello everyone,how do i get the same solutions of the system in two differential equations, changing the odesolve algorithm since they vary as it changes? It's possible? I thank you all. Greetings.

Hi, I've been asked to convert a mathcad sheet for my work (why most of the attached worksheets are collapsed and locked, sorry, although everything that is relevant shouldn't be) and I'm having difficulty with a particular line which then leads into an xy plot. The xy plot is saying that there are too many range variables in prime 7, however it works in version 15.                             I'm unsure if what I think is the reason for the error is correct (as it does apply to both the x and y axis functions and so maybe would cancel itself out) although to me it seems the most likely:   The error is that in mathcad 15, it seems to serialise all of AzD and Vr for q=0 first, then q=1, etc. However prime 7 for some reason is serialising each of the 5X1 matrices instead, and I can't figure out how to make it act like mathad 15 instead. Any help would be greatly appreciated.     Ps there is a differen

Hello all,   I need help please with fourier analysis and the following problem:   I can create my periodical time-signal f(t). --> Please see 1) and 2) in the attached file I also found the mathcad example from help menu for fourier analysis for calculating the fourier coefficients and plotting the graph.  --> Please see 3a) in the attached file 1) For the following step I need a spectral analysis, means I need the amplitude spectrum and ideally a plot like this :   2) Afterwards I want to multiply the amplitude spectrum with an given impedance Z(s) to obtain the output voltage ripple   I hope you can help, thanks in advance          

Hi, I've recently been tasked with updating some Mathcad sheets from version 15 to Prime 7 and have noticed something that has confused me. (Unfortunately as they aren't my sheets and I'm only upgrading them I don't have full permission to upload the mathcad files but I can send some screenshots, but anyways)   Using the following equation, on dropping the subscript [ j, jw after the α, they both give the same identical matrix.   However, when reintroducing the [ j, jw subscript (sorry I don't know the proper term, again I'm just converting the files - the maths itself is beyond me), the output in Mathcad 15 is different from Prime 7. In Prime 7, it creates a vector starting from the first row of α, and then from the second and then third row etc.    However, for 15, it creates a vector starting from the first column of α, and then the second and the third etc.   Is this something that was changed in the update that I'm not aware of

Help please with plotting. TXT and Prime 7 file ATTACHED. Help also with adding data to a matrix Please see the end of Mathcad file for where I am a bit stuck.   Thank you.

Hello,  i have a Belgium azerty keyboard and several shortcuts don't work. how can i change the shotcuts to resemble my keyboard?I assume that in the 10 years knowing about this problem it has been fixed! It has already been reported in 2011. I read Italian and German has the same problem. https://community.ptc.com/t5/PTC-Mathcad/Mathcad-prime-1-0-bug-with-keyboard-shortcuts-with-Italian/m-p/291809  

This PTC Mathcad Prime 9 worksheet uses a simple physics problem to provide introductory information on some important fundamentals of Mathcad. The principles covered in this worksheet are at the core of using Mathcad, and should be helpful for those who are new to Mathcad and just getting started. Please note that this is not intended to be an in-depth tutorial, and therefore won't provide details on every mouse click and keyboard entry. There are tutorials available in the Getting Started tab on the ribbon, so if you find yourself needing a little extra explanation, the tutorials would be a good resource. 

I'm relatively new to Mathcad but I enjoy the program very much and I need some help. I would like to program the following section but I have no idea where to begin.   Your help will be appreciated. Regards,

Hey there, I am attaching the screenshot of an error that Math cad prime shows. Can anyone tell in detail what does that error mean? It says "this function requires at least 3 arguments but is applied to 2"  

Fourier analysis. For those interested in the subject, I propose forty-one periodic functions.