Mathcad

is there any way to recover a file in mathcad prime 6.0?

Hello, long time ago here I had read in view of the subject some good puzzles. Is there anything news known about Bellman´s "Lost in Forest"? Also I am interested in hints to use Mathcad concerning this problem. Regards, Alfred Flaßhaar

Please see the attached file. I need a simple and elegant solution for finding the max value from part of a single column matrix. Thanks 

Hello everyone, I need help please to derive the following function: This function shows different curves (0,5 Layer ... 10 Layer). The X- and Y- axis are not linear. I divided both axis into 5 sections. For each curve I have take some data points for each section. I am seeking this final graph:   The datapoints for the different curves are attached. How can I recreate these datapoints as a function, like in the graph shown above? For each section I have to interpolate with spline functions?Then I do need a "if... if else ... else" command to check which section is active? Attention, the Sheet is Mathcad Prime 6 Kind regards

Hello! I defined a function depending on one variable. Then I used the range operator for the value which my function depends on. I want to call out the max value of the function based on the range variables. The "max" command doesn't work. I think something is wrong with the equation, since the function can't be evaluated when I type the angle in parenthesis.Please, take a look ath the attached sheet. Sergey

For reasons that I need not go into, I decided I needed to compare the results of the different ode solvers in MathCad. In case anyone is interested, the results are in the attached worksheet. (I am using MC 14 but saved it as MC 11 for Luc). I also played around a bit with the tolerance and number of points, but that is not shown. If someone who knows more about the numerics of the solvers than I do wants to comment on discrepancies and relative accuracy, I would be interested. 

The number I am calculating is in psi and I  want to round up to the nearest 50 psi, how do I accomplish this in mathcad prime 7.0?

I am looking for a Mathcad worksheet to evaluate stresses in a rotating shaft with eccentric bore subjected to bending and torsion.  Any insights would be greatly appreciated.

Hello,  i am not able to extract my calculated matrix from mathcad prime 7 to excel. I was able to hand over parameters from excel to mathcad and now i want to retrieve the solution.  Dim matrix As IMathcadPrimeOutputMatrixResultSet matrix = WS.OutputGetMatrixValue("test") From there I would extract all the elements one by one.I also changed the outputalias from "out" to "test" but I only receive the ErrorCode 7 "Matrix result is invalide".Can somebody give me a general example how I can retrieve my results into Excel by the api.

I am using Mathcad Prime Release 5.0I have data where the first column is angle theta that makes ~5 revolutions (0 to 360 degrees) and a second column that corresponds to a 'y' value. I would like to graph the data from 0 to 5*360 degrees (0 to 1800 degrees on the 'x' axis). Is there a function that will allow the theta data to get adjusted? MATLAB has a function called "unwrap" that would be similar ("unwraps the radian phase angles in a vector"). Note: The angle theta is captured experimental data with some variation in the rate (i.e. there is a new data point ~every 2 to 3 degrees).

Hello, I am tasked with updating our programs from MathCAD 15 to Prime 7.0. The below was a Given-Find statement in 15 and has worked for many years just fine. Now Prime 7.0 has changed to SolveBlock and is flagging R' in the constant as "R' has multiple definitions, you must specify a label to select the definition that you want". Note the 'guess values' were added to the solve block in hopes that would solve the issue, it didn't work, since the new block did not have a guess value upon conversion.  

Hello all,I'm using Mathcad Prime 7.0.0.0 and during calculations I get warning message as in title. I have PC with 16GB RAM and when I monitor task manager Mathcad doesn't reach top border of available memory. There is still about 5GB free RAM. Other components as CPU ect. also doesn't work at full performance...so I don't know where is problem. I know that this topic was touched previously but that answers not fit to my issue. Thank you in advance

I'm fairly new to the use of arrays and matrices in general. I'm in the crane design industry and modern codes require multiple load combinations to be analysed in structural calculations simultaneously. Codes then often pose choices based on things like stress ratios. For example, in it's simplest form, a different set of rules are required if a stress is in compression rather than in tension. I need the ability to automatically differentiate between these stresses, and the correct rules are applied for each load combination. Sometimes these problems may use array sizes in the hundreds. I've attached a very basic programme. My desired outcome is a single n x 1 array. What I tend to get is an array of nested arrays. I've played around and found that if I were to transpose this and turn the nested array into a single clean matrix, use the diagonal function, then this would give me what I need. I have no idea how to do this though. Help would be greatly appreciated.

I defined a function of x and y and plotted it. Later I am calculating matrix values for the function and trying to create a second function to fit the points. My belief was it should result in the first function but the second function deviated from first by large margin. How to rectify this?   

Hi, I'm trying to input this equation into mathcad, but I keep coming into the problem of incompatible units. Thanks for the help. This is also my first time exploring physics so it may equally be my fault. The equation is in the image attached.   

Anyone can help me reverse this program? This program contains the lower left side triangle to be 0, and I want the program to run on the opposite side on the upper right to be 0. My program does not seem to be working properly. If anyone can help me reverse "0" in the matrix, that would be a great help in my studies.  Thank you.

I am using Mathcad Prime 6.0 6.0.0.0Any chance Mathcad will support MathML in the near future?I would need this support in order to copy formulas from Mathcad to Adobe Framemaker vice versa.

I'm trying to use bvalfit to turn a boundary value problem into an initial value problem in Prime 7. I can find nowhere on the internet any resource that explains how to properly use bvalfit, and my current attempts are failing. Does anyone on this forum know how to use bvalfit?  See my sheet below.  Can someone please tell me what's wrong with my sheet? Thank you! For the record, yes I know this is an easy DE to solve. The point of this exercise is to get bvalfit working so that I can expand the application to other equations and standardize it in my worksheets.

To all I haven’t got a mcad 15 worksheet yet working on it while I am reading a couple of things on the matter – please bear with me and will attach soon   Is there any way of plotting a gyroid in mcad15? Looking at the ebook bout the ‘amazing picture in mathcad’ looks like it ought to be simple.   I am looking at the equation (see links below) for such shape and look straightforward but once again plotting 3D stuff in mcad is proving a pain.   0=sin(x)*cos(y)+sin(y)*cos(z)+sin(z)*cos(x)   Is anyone able to point me in the right direction?   Thanks   @ttokoro  is must be your kind of things    https://soulofmathematics.com/index.php/gyroid/ https://plus.maths.org/content/meet-gyroid

A simple problem wich worked fin in Prime 6 and doesnt in Prime 7.In the first line, a simple equation is solved (it's a linear equation!) - all works fine ...Then some constants where defined and a equation of the same type is to be solved => won't work, after a very long time there is some message, that there is not enough memory (again, to solve a linear equation!!).If one first calculates the left side of the equation, it works ....Whats wrong here? Prime error or mine .....  

Hello. i am trying to paste an equation i wrote in microsoft office (word) into ptc to calculate it for me.when i press Ctrl + V it pastes the equation with comma marks and they can't be deleted. what should i do ?

Would love help with this.  I've defined my function, inserted a table of values, and am expecting results in a vector format. HELP!!

I want to use Mathcad 6.0 to create a color-coded mesh surface plot of a hemispherical dome whose height ranges between 0 and 1.0 as defined by the function cos(πx/2a), 0 ≤ x ≤ a, with a = 300. The surface is “swept out” by taking this curve [plotted along the x axis] and rotating it a full 360 degrees about x= 0.  

Hi,Following my previous thread, I can successfully pass data from Excel to Mathcad, calculate, and then take the outputs back to Excel. Thank you @terryhendicott  !!! This is a summary of the code I am using.- Get inputs, Aliases, units from Excel.- Open Prime and worksheet.- Get Prime Input Aliases.- Loop through each Prime Input Alias and match them with Excel Aliases. If there is a match, add the corresponding value and units to Prime.- Calculate- Obtain Prime output as a matrix.- Loop through each Output element, store its value and send the element back to Excel.  This is the weird part that I can't figure it out. If the program runs by clicking the ActiveX Command Button, the Outputs are not added to the Excel.If the program runs in VBA and there are break stops, the program adds the Outputs to Excel as intended. The minimum number of break stops seems to be two. One after the I get the Outputs and one after the loops that moves the Output

Hello everyone. I just wanted to share some animations created using mathcad, I think they are great! It is about aircraft design, and it shows the aircraft performing some flight maneuvers, all inside mathcad using the 2D and 3D plots. youtube links:https://www.youtube.com/watch?v=7EQt2PT9Tighttps://www.youtube.com/watch?v=RdfJoxDi4qohttps://www.youtube.com/watch?v=fmUko9sFgGE Regards, Guilherme