Solving Differential Equations as functions - Combined Heat Transfer
Hello, I am currently looking at combined heat transfer (radiation - convection - conduction). When radiation is considered, the differential equation becomes non-linear, and thus I figured using...
View ArticleNew to Mathcad and need to read .wav file for frequency and dB level
I just got Mathcad roughly a few days ago and I need to run a dB and spectral analysis on a .wav file I recorded. I am brand new to this software and don't know where to start. If anyone can help or...
View ArticleFind function only finding zero as the answer
Hello, I'm using the find function to find 9 variable with 9 equations. Each of the equations equal zero thus mathcad finds zero as an answer. There should be another answer. I know the find fuction...
View ArticleProblem solving system of ODE
Hello everyone, i hope all are having a great day.I started this discussion because im having a little problem solving a system of 2 ordinary diff eqs.Im not defining a function for t or x because...
View ArticleAndy Warhol - Liz - Mathcad
Thee vidro is here - http://communities.ptc.com/videos/5464 The worksheet (see the attach) is one killer of memory.How can we optimize the sheet?
View ArticleOld Mathcad 11 User
I recently got a new PC running Windows8.1. I used to run Mcad v11 on an XP machine which worked perfectly. It installs on the Win8.1 machine but doesn't run. In researching this I've found numerous...
View ArticleThree equations in three unknowns
Hello! How can I find symbolically the ex,ey and Phi variables? I have tried with solve block, but the solution was the guess value.See the 3 equations in the attachment Thanks in advance!
View ArticleOptimizing (max / min) of a function in terms of parameters given:
Hello, I'm wondering if it is possible for MathCad to do an optimizing routine using max or min but with a given set of parameters. An example is one of the attached in where I use u(x) and g(x,r),...
View ArticleMathcad Express Installer No applications to Select
I would like to install Mathcad express. I have downloaded the installer, Lauched, and agreed to terms and export controll. Then on the Application Selection window, the path shows, but no...
View ArticlePlotting a trigonometric function
Hello everyone,I am trying to create a plot to find the critical phase angle affecting a pipe.When I created the calculation in Mathcad15 everything works fine. See the file attached.When I reproduced...
View ArticleBackground Color
Using Mathcad Prime 3.0 is it possible to chanee the background color to white? Mostly I take screen captures of my equations to paste into word, since the Mathcad page color is not really white I have...
View ArticlePTC Mathcad LinkedIn Channel
Looking for a new way to connect with PTC Mathcad? Visit the new PTC Mathcad LinkedIn page.
View ArticleFinding result by iteration, error given by FIND function
Hello, I have an equation with one uknown on both sides and would like to iterate to get the value of variable, however the find function brings error, I think I am following others recommendations...
View ArticleInvalid Host ID - MathCad 15
Hi, I am trying to install mathcad 15 free 30 day trial, but I get an error when trying to obtain a trial license. Invalid host id error Any help appreciated
View ArticleSubmatrices with variable columns
Hello everyone. I need to create matrices formed by a variable number of columns of data extracted from a table based on input values. Attached is a sample sheet so you can better understand what you...
View ArticleWhile loop not working correctly.
Hi all. I am trying to write a program that will increment a value of x by a predetermined amount, run through a few equations, and then re-evaluate that condition. If that condition is not met, return...
View ArticleMathcad 15
I have a question about the mathcad prime 3.0 I purchased. At the bottom it mentions the installation of mathcad 15 which I prefer to use. It says use the same product code that was given at the top...
View Articleintegrating to find the balance point.
I don't understand why the first moment of integration doesn't balance the beam. Anybody?
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Histogram not with cm but with feet and inch
There is a histigram of my students.(see the animation here - http://communities.ptc.com/videos/3543) I would like to use not cm but feet and inch: 4'9'', 5' ... 6'8''One templateHelp please!The...
View ArticleOptimize a function with parameters - Including Constraints Given
Hello, I was able to do this in 15 very easily, and that file is attached. However, I was unable to get the routine to work in Prime (unsurprisingly). As my university has removed the old mathcad...
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