Mathcad

I have a stiffness matrix where units within columns and rows are inconsistent. I tried to inverse the matrix but it said " The matrix element units are not compatible with this operation". How can I fix this? If possible. Or I just did this wrong. ps: I this question  a few years ago. The very same question. However, the solution is no longer working. Thank you for any inputs!   

HiWhat is the difference between unit  "ton" and "tonne" ? 

Hello all,I want to solve a formula symbolically according to a ratio.Here is a simple example:Does anyone have an idea how I can solve this?I use Mathcad Prime 9. GreetingsPhilip 

Hello,  I am trying to run this code and plot only "U" for the augmented matrix "R". However I am getting an error R has multiple definitions.  Please help! Thanks   

HiI am using Mathcad 9.0. I want to find the current I1 and put the value into the second equation so that I can represent the equation in I=U/Z from. But I can do it manually and not in Mathcad. I have attached my mathcad file as well as the picture, how I want to express my model.Please provide your valuable time!Regards,Waqas        

Hi, I'm currently having programming issues with converted mcxd files See attached screenshot. It's not reading PRN correctly. I have the file installed and using the read data file it finds the prn file it just won't populate the data. See attached screenshot.Any info would be greatly appreciated. The university used to use mathcad 14 and i believe when converting the file the si units are not populating either.Thanks,Josh             

Hi,I am trying to solve the following problem. I am new to pwrfit function. This is the first time trying to solve such a problem.1. Select a power fit in Mathcad to fit this data and model the metabolism rate as a function of the mass of the animal. Notice that pwrfit(vx, vy, vg) returns a vector containing the coefficients for a power curve of the form y(x)= axb+c that best approximates the data in vx and vy using guess values in vg.2. Determine the R2 value for this fit.3. Considering the fit is good, use the equation to predict the metabolism rate of a 500-kg manatee.  

Hello,On page 8 of the attached sheet, I am trying to build Mohr's circle. I dont know why the Ixymax, Ixymin,... on the plot are showing  in red boxes. Thanks,Sam  

Hi,I'm having problems with using MathCAD to extract the time at which the maximum value of a function happens. I've attached a file with the example. In the attached file, after some initial setup of parameters etc on page 1, on page two I define 2 ODEs in a solve block and solve them with ODESOLVE. This seems to work, and I have plotted the outputs in several graphs. They look as I expect. At some time I get a single peak produced on the graph of f(t). I want Mathcad to tell me at what t this peak happens. I've tried using Maximize, and this gives me incorrect answers for t. I've then tried differentiating f(t) and attempting to find the root that corresponds to the peak of f(t). This works for some sets of parameters and I thought I'd cracked it. But then I change one of the parameters slightly and root stops working, giving me the error message "The ODE solution is calculated over a limited range. Choose a value within this range or expand the range".&

I have a new computer, and I want to move my Mathcad 14 Academic to it.However, it seems like getting a license over the internet isn't working anymore.Is there any way to get a new license file?

I've got a 15 page document in Mathcad Prime 1.0. Items are strategically placed on the pages for readability and page breaks. However, when I save, close, and reload the file, my math and text regions seem to have all moved around; creating overlapping text regions and regions that flow over the page breaks.Anyone else seen this problem or have a tip on how to anchor these regions to the page between file opens?

Hello - Please let me know if it is possible to install Mathcad Prime 7 and Prime 9 on the same machine. Is there any technical limitation / restriction imposed by the PTC installer ?  RegardsVijay

Is it possible to copy part of one worksheet to clipboard and paste it in another worksheet?Seems to me it is not possible to do it like it's done for example in AutoCAD.      

Hello experts, I hope the question is in the right category. I haven't been able to find an answer in the community yet. A function should be passed as an element in a program [e.g. p(f):=II…]. This function can have a different number of its own elements [e.g. f(x1, x2, …)]. How can I pass the function to the program and how can I find out within the program how many elements the function has? Thanks for your help. SW: PTC Mathcad Prime 7.0.0.0 

By W.C. Wilson and G.M. Atkinson Using PTC Mathcad to Model and SolvePLEASE NOTE: At the request of the original file creator the attachements to this document have been removed, the text provided is meant to provide an archive for members who have previously bookmarked this resource.About this worksheet:Demonstrates how NASA engineers use PTC Mathcad to model SAW (Surface Acoustic Wave) sensors to be used for Integrated Vehicle Health Monitoring in aerospace vehicles  Relevant for sensor design in aerospace and defense, electronics, hight tech, industrial applications, and automotive applications  Allows users to implement clear, understandable mathematical models and transfer functions This worksheet using PTC Mathcad shows how you can use Mathcad to model SAW sensors in aerospace vehicles. The lack of support for transcendentals within the Differential Algebraic Equation framework prevents the use of the frequency domain analysis in analog extended Hardware Description Lan

Good morning community. I am trying to interpolate with certain conditions with repetitive data, a way to program, please if someone give me an idea. Mathcad Prime 6.0.0.0 is being used. Thank you for your attention.   Translated by the Community Moderation using Google Translate ----------------------------------------------------------------------------------------------- Buenos días comunidad. Estoy tratando de interpolar con ciertas condiciones con datos repetitivos, una manera de programar, por favor si alguien me da una idea. Se esta usando Mathcad Prime 6.0.0.0. Gracias por la atención prestada.            

Hi everyone, I hope you are fine.I need to change the color of the result word, if it was safe to be green and red in case of unsafe.      

I need to plot the intersection and return it as a value.I have lines to show minimum and ideal operating temperatures but I would like to find the cut-off temps for each of the proposed AC-DCs. I have a graph that has the output derating so the line isn't a simple ab2+c so I have to use a function. I would like to know the maximum operating temperature of the multiple power supplies. Based on a Wdc1(Tempamb).  I tried using solve but this doesn't appear to work on functions. as the derating is not constant across the full operation range. see the example of the function I am using below. What is the best operation to achieve this? I have attached the worksheet for referenceI'm using MathCAD Prime 8  

Hi,I am new to Mathcad and face some problems. I have attached a file in which I am trying to plot the displacement using the Piecewise Linear Interpolation method of structural dynamics. I have defined all variables and put them in the loop, but when I try to plot displacement (u) versus time (t1), I get an error "this value must be a vector".I would really appreciate it if you could help me resolve this issue.      

Hi everyone.So I'm new to Mathcad and I wanted to create circle from form (x-1)^2+(y-3)^2=10, but everything that I can find about plots is way too advanced for me. Any simple way to do circle from form like this above?  

Hi, Could someone explain why I can't vectorize method 2 in the attached work sheet? It returns error message "this value must be a vector". The output of both functions being multiplied seem to be vectors, so I don't understand why I can't use the vectorize function to do an element per element multiplication. Thank you, 

how can i transfer my mathcad license from one laptop to another 

I"m not well versed in IT details but if I can install MathCad on my teaching laptop somehow I would use it a lot more and teach with it since it can benefit my students. Currently we have Prime 6.0.0 on computers in a lab but that isn't convenient for me to get to. If I can understand some basic details about how or what to do or bullet points to discuss with my college IT department, it would be a blessing.  I have a 2022 Apple M2 Pro with Sonoma 14 os.

Hello, I am need of assistance with licensing for MathCAD 3.0 prime. We currently have Mathcad 3.0 installed on one computer and would like to install it on another computer. However, I am not sure if our current license allows for multiple installations with only one user/computer at a time since we only have one license of Mathcad 3.0. So I need help verifying if our license is a flexible installation license where would could use it on different computers but one user/computer at time? If not, what are my options for obtaining another license for Mathcad 3.0? (PS. I could not create a support ticket since I do not have a product code for Mathcad 3.0 prime. I looked through all of our licensing emails back in 2014, but could not find an actual "Product code")

What function does <PROPERTY name="USE_TRANSFORM"/> serve in the file mathcad.p.xml?How can I pass a transform file (MST) to the MSI when using the PIM installer (setup.exe -xml "%~dp0mathcad.p.xml")?Is this possible through the mathcad.p.xml?  Is there a way to configure directly in the mathcad.p.xml file to prevent the creation of the program menu shortcut for "PTC Mathcad License Wizard" to C:\Program Files\PTC\Mathcad Prime 9.0.0.0\LicenseWizard.exe?Thank you.