Mathcad

Hello there,I am using genfit to come with the coefficients for a best fit equation for points I have created. However, when I try to plot the graph using the coefficients to see how accurate is the equation as compared to the points in the same mathcad sheet it won't plot. Can someone help me out. I have attached the mathcad sheet. Thanks.

I am new to Mathcad and need a little help.First, does anyone know what this means I understand it is some kind of function. The deltas are displacements.Second, what is a good source for learning more about Mathcad?

How do I evaluate each element in two matrices of equal sizes (4 rows x 5 columns) and then return the maximum value into a new matrix? I want to evaluate each element with the corresponding element on the second matrix and produce a new matrix. Thank you in advance for your help with this!

Is it possible to recover a lost file data in mathcad prime 3.0 ?I wasn't saving my project for about 3 hours and my computer shutdown - the reason is an interruption in the supply of electricity.Is there any chance that mathcad left a dump file? what kind of extension is it and where can i find it? Maybe mathcad run something like file history?Can someone help me? Please it's realy important.Is there any way to prevent this kind of situation? For example autosave ?

HiI try to make a relatively simple program how to find if a point is inside an drawn area or not.The problem is illustrated in the attached calculation sheet.Thank you for your advices in advance.

Hi everybody,I hope I can get some answers here, notwithstanding the fact that I am actually asking more than just a MathCAD question. I tried to put up a MathCAD-framework in order to explain my problem.I wish to compute numerically the flow passing through a temperature-operated valve, of which I know (from supplier datasheet and measures on site), 1) the time constant tau (assuming that it is first order linear system)2) the law giving the flow as a function of the temperature f(T) in quasi static behavior (dT/dt=0)and I assume a certain transient of temperature, T=T(t) A lot of time ago, when I was young and still remembered "Control Theory 1", I would have solved this problem imediatly (maybe!). Now I am a little out of training . Can someone point me to the answer, or eventually if not, to the right forum where to ask for help? Or even to some appropriate literature?Sorry if I am out of subject, I looked for a MathCAD-forum on Control Theory but it does not seem to exist, so I ju

I've installed mathcad on a new computer, and now i need the license. how do i get a license for mathcad through my account ?

One man from India ask me to create some simple formula for steam density. He has given me one template with a, b, c & d coeffs.Look please on the attached Mathcad 15 sheet!Do you have more correct formula for this region of p and T?

Please help on how to solve this Problem:Where need to find out Values of A, As, A1 & A2.

Hello,I am trying to use a solve block to solve the same equation for a range of inputs using the vectorize function. I have had success doing this before (thanks to other threads I have read here!). For some reason on this particular problem I cannot get it to work. If someone might have any suggestions after looking at the attached worksheet it would be great appreciated. In the worksheet I first solve the problem for a single input which works, then I try the multiple inputs but can't get the solver to return anything other than the inital guess.Thanks,Mike Einhorn

Is it possible to downconvert a Mathcad Prime 3.0 file to Prime 2.0? I have Prime 2.0 at work, but at home I downloaded the free Mathcad Express + 30 day trial. The version I have at home is Prime 3.0. Every once in a while I come up with an idea at home but don't have my work computer with me. I'd like to be able to e-mail the file to myself and use it at work. However, when I attempted that today I couldn't open the file at work using Prime 2.0.Any ideas?

Hello,I'm trying to write an algorithm to calculate centroids of 3 clusters obtained from a data set using the k-means method.Attached is the MC12 worksheet with the algorithm. For some reason, I only get the correct centroid for the first cluster and when using the same function to calculate the centroids for second and third cluster I get the same wrong answer.I found that somebody had posted a worksheet with k-means algorithm a long time ago at this thread:http://communities.ptc.com/thread/17242but the worksheet has been removed from the thread.Thank you,Gigi

Hello! I'm trying to minimize a function with a built-in conjugate gradient/QuasiNewton method and would like to use a MultiStart option. However, it's not activated on my PC when I rightclick on the Minimize command. How can I make it work? Thanks in advance.

Hallo!Ich habe 2 Fragen zu Berechnungen in einer Matrix:1.) Ich möchte die Werte in einer Matrix auf 2 Nachkommastellen runden jedoch wird hier ein Fehler ausgegebenround(b,2)2.) a und b ist eine Matrix mit einer Spalte und drei Zeilen. Ich möchte z. B. den jeweils kleinsten Wert aus der Zeile:min(a,b). Dies liefert jedoch nur den kleinsten Wert der gesamten Matrix. Gibt es hierfür eine Lösung oder muss ich die Matrix in ihre Einzelwerte zerlegen.Danke für eure HilfeAlbert

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Hi everyonemathCAD version: PTC Mathcad 15.0 free trialI have got 2 question:1) First questionDoes anyone know if there is a possibility can import the calculation file (xls, doc, txt, or other.) so that Mathcad treated him as their own expression. My situation:File calculations (doc) I pasted into Mathcad and he treats it as text and not as a function that counts.2) Second questionWhether it is possible to save / preview REPORT Mathcad calculations as fractions, not as decimal notation oris there any tool in MS WORD that will turn me express decimal notation (for example, y = 2a / b) to fractional expression? I know a tool of MS Equation 3.0, however, I have about 30 pages of calculations and creating each of them will with the help of this tool will take me a very long time, so I ask for a tool that can convert all my pages at once

I am using the insert excel component to input data. The data consist of columns with sparatic values in columns C-I. Columns A&B are completely full. I want to graph the sparitic values in C-I against col A. When the data is imported, all of the blank cell come in as zero. when plotting they also plot as zero. I want the plot to connect each value ignoring the zero's that were brought in.Any ideas?thanksRon

I get an error with Radau(init, x1, x2, intvls, D) as 'This value must be a vector.' I'm quite sure I made init and D vectors, and x1 x2 intvls ordinary numbers. Please see the attachment and tell me where the problem is. thanks

HiI hope someone here can help me!I am trying to visualize a function with 2 independent variables like z(x,y) := .... but it does not work.Everytime I generate a "Surface Diagram" / "Surface Plot" and say which function I want to get visualized, Mathcad says "The variable is not defined." to one of the two independents.I look forward for some useful hints! Greetsphil

Hi, Fourier transformation is usually based on exp(jwt). How Can I address Mathcad to do Fourier transformation based on exp(2jwt)

I need to find the coefficients for the functions f_3(x) and g_3(x) that describe the median curves (curve equidistantly spaced from the curve f_1(x)/f_2(x) and g_1(x)/g_2(x), respectively).

I am running a Latin Hyprecube Sampling routine for statistical reliability analysis. I randomdly sample from 9 probability distributions of parameters that from inputs to a crack growth integral equation. When I take a larger number of samples you get unlucky and at least one of combinations of parameter inputs to the integral results in the integral failing to converge for that combination and this results in an error. Is there a way of including a diagnostic line in the program loop that will flag that a combination does not converge (eg like a "time-out" in convergence iterations) but then record this combination as not converging and then continue on with the loop?The attached sheet usually works for several hundred samples but when say n > 300 it often flags an error (sometimes you may need a large number of samples before you get unlucky eg. n = 10,000) which I have been able to isolate through trial and error to prove there is a particular combination that does not converge.

I have MathCAD 15 (M030 [MC15_M030_20131216]) running on a 64 bit Windows 7 laptop with 8gb of RAM and an Intel Core i3 processor. When I run programs that reach a certain length, the whole block turns into a blue mesh. It still works, and the subsequent calculations are good, but I am unable to edit the block. It was discovered earlier today that I could get rid of it by pressing pg up or pg dn (not by scrolling), but it returns again. I've been able to perfectly run the code on every other computer I've tried it on. I've included a screen shot of how it looks and have attached the worksheet. Thanks in advance for any help.