Mathcad

Hello everyone, Here I need a little help in adding gride to the drawing in MathCAD prime . If anyone can help me out I will be really thankful. 

Both inputs are define and their values are shown below. Requesting a solution to this error.         

Dears, I´m using with great success the Coolprop wrapper, but one challenging task is to form the "mixture" string. Air for instance must be written as: "O2[0.21]&N2[0.79]" When working with complex mixtures, like up to 10 components, my idea was to use a table and extract a "concat" function from the table. All good doing it the hard way:(...)Problem: if I add or remove one of the 10 components from the table, maybe for a simpler composition, then the formula for "mixture" would fail. Solution: maybe write a program? But don´t even know how to start. Any help would be great. Best regards, Fred.   

I attached a simple example (clark transformation). Assume that I do not know the relationship between Uabc ,Ualpha and Ubeta. How can I derive the final transformation from the known equations? Thanks. The file was writen in Prime 8.

I am using a step function to define the first two values which are slightly different than the subsequent values and was able to do this in MathCAD v15, but I have just moved to Prime 8 and the function no longer works.  The except from MathCAD v15 is shown below.  How do I do the same sort of iterative function in Prime 8? 

Hi all,I am facing the following problem:I am defining a function with four variables, three of them jsut a number, and one is defined as a series or sequence. (sorry if incorrect)I would like to obtain the maximum of the resulting sequence after the function evaluates the variables, but it looks that this is not exactly a matrix, since the max function is not working correctly:thanks all! PD: I have seen some solutions but I am unable to open those files. @MarkArmstrong https://community.ptc.com/t5/Mathcad/Create-a-vector-from-the-result-of-a-function/m-p/191688/highlight/true#M75105      

It is necessary to express the power of the power plant in decibels.I go online and find out that bel is the decimal logarithm of the ratio of two physical quantities, the second of which (the denominator of the fraction) is called a certain base. In the same place on the Internet you can find the corresponding formula for the calculation.Here's how such a calculation might look like in Mathcad 15 with the help of tools for separating variable and function names into styles using different font colors (black, green, blue and white - invisible).If one watt is taken as the base, then the power of the largest Russian thermal power plant, Surgutskaya GRES-2, will be 96.812 decibels (see please the picture and the attach). We solve the inverse problem: given the power in decibels, it is necessary to calculate the power in the usual watts. Question. Why are decibels called decibels and not decabels? After all, if we multiply the logarithm by ten, and not by one tenth.   See please als

Hi I'm trying to solve an issue where I want the if function to work, when one of the variables in some cases could be undefined. Is this possible, or have some work around? I'm using Prime 9.  

I m trying to calculate the reaction influence line for a simple indeterminate beam problem.I built up functions for fixed end moment and slope deflection equations. Now I m trying to calculate rotations at the end supports of the beam, I m getting error because the slope deflections equations are conditional expressions. I m expecting set of end moments when the load is placed on the particular element. How can I achieve this ?    

I want to have the plot values on scale directly and not modify the scale within plot is it possible in 15?

My 3D plots have started appearing like this:When I drag the plot area, the problem disappears:But as soon as I let it go, the weird pattern reappears. I thought it might be a problem with the mesh frequency pairing with the pixel spacing on my display, but resizing does nothing, and, in fact, the problem appears as soon as I open a new 3D plot area.  Anyone encountered this?  More pertinent question: does anyone have a solution?Working in Prime 8.0.0.0 Thanks for any hints.Richard   

Hi I want to extract a given value from a table based upon two variables. For exampel, by selecting the variables "A" and "b" I want the extracted value (output) to be "5". Is this possible to do? Thanks in advance.   

Has anyone figured out the format to use the TAG tool when doing an internal link. The instructions seem to say the TAG is #xxx. But when I link to it a text box I don't get it to transfer to the TAG. Yes i am using [ctrl-click] .In Mathcad 15 it was a useful tool to move around a multi-page worksheet.  

Hello,In the solution to my recently asked question "programming a recursion" it was noted that MC has problems with the accuracy of long-number arithmetic. As a test in derive I have successfully solved the following task: To determine a power of two, i.e. 2^n for natural n, which begins with the decadic digit sequence 2023. I am interested in an MC-compatible search algorithm.If you are interested, I would be happy to provide my derive solution as an attached text file. Which text format is desired here in this forum? Kind regards, Alfred Flasshaar

Hello Experts, What does Argument outside of solution interval error means and how to overcome this one? Also within Odesolve when there is no variable used for range variable still the plot can be plotted using the equation function. How to find out what does k subsides in this worksheet 

I'm trying to buy Mathcad for use in the classes I teach.  PTC seems to have handed off their online sales to a company called Digital River, but the web site also directs me to a sales rep who works for a company called EAC Product Development Solutions.  She offered to sell me a 1 year license for $295 when the online price is $56.   I don't understand what's going on.  Is this the same version?   I just got off the phone with the rep at EAC (who was professional and helpful, BTW) and she couldn't explain what PTC was doing, but is trying to get me an answer.  She did say that she gets lots of complaints about how hard it is to deal with PTC.  Ugh.   Can anyone in the community enlighten me?  It seems like PTC has decided to outsource their sales, but has sent it to two different companies who don't talk to each other and have different pricing.  Can this be right?  I have to be missing something.   Mark      

We have an older perpetual version of Mathcad that we need to move from an old computer to a new one.  I cannot find anywhere in my account profile to change the MAC address so that the new computer will be recognized.  Does anyone know how to do that?

Here, the students and I saw an animation on the site Pendulum - Wikipedia showing the position of the velocity and acceleration vectors of the pendulum.We wanted to reproduce the acceleration animation in Mathcad - see the animation and the file in the attachment.But our animation is different from Wikipedia's animation -  we have a maximum acceleration, and there is a minimum. Where is the error - with us or in Wikipedia?  

Hello everyone, I hope you are all doing great in your daily life. I need a little help in solving the differential equation as I m new to MathCAD prime. I m trying to get the solution stated in pdf in MathCAD prime but I m stuck at differentiating the equation. If anyone can help me out I will be really thankful. I m attaching pdf as well as MathCAD prime 8.00 file for reference. PS: 2.pdf shows the results i want to plot, 1 png is the case i want to solve and 2.png are the boundary conditionsThanks   

Hello,     In the end, the result should not be: ?   The calculation was made in Mathcad Prime 8.

I'm trying to check the flange thickness ratio, b/2t, with b=18 and t=0.75. Therefore b/2t=12. 18/(2*0.75)≤12 returns true, of course, but b/2t≤12 returns false. This does not happen with most other values of b and t. What's going on here and is there any way for me to fix it?  

Hello!Can someone help me with a XMCD file. I needed to be converted into a mcd file and I don't have that option in Mathcad.  @ValeryOchkov      

Is there a way to have the internal links be active after printing to PDF?

A friendly hello to all,again i need help. It's about the recursion u(n+2)=7*u(n+1)-3*u(n)+3 for natural numbers n. How does the calculation and tabulation work in MC15? In derive I managed it successfully. But in MC15 everything is possible, just not the correct result. I just can't get a grip on programming in MC 😞 .The background is the transformation of the formula u(n)=((1/2)*(7+sqrt(37))^n+((1/2)*(7-sqrt(37))^n-1 given in Binet-Art into a recursion and examination of divisibility by 3.Kind regards, Alfred Flasshaar