Mathcad

 

Hello,I’m trying to linearize this type of curve using the simplest possible function: I tried many kinds of fits, but none of them worked.Do you have any idea how to do that?thank you, Emilien

Hello All,I have attached MC-P11 sheets. How can I  extract the segment lengths values "L" out of last iterations of this following function. There are two conditions as you can see in subsequent calculations:                            1. For Element B in Compression, comp="B"2. For element C in compression, comp="C""L" values can be different or same depending on above conditions  and  segment lengths.Regards,Sam

Hello,I'm using Mathcad Prime 11.I'm trying to solve a differential equation with conditional logic (if) due to the presence of a diode in the circuit.The input values are defined, and in the worksheet, some graphs are already plotted (e.g., I_TEST, VL1N). I'm using Odesolve to compute the solution. Is this the correct approach?It doesn't work with the following error "Plot failed"Cou you help me? Thank you very much

I don't have a graphic calculator. I only have MathCAD 9.0.0.0. Is there a way to graph the following steps in MathCAD......or to solve for f another way. This is just an example problem. Once I learn how to do it, I can use it on my homework problem. Here's the full context of the example problem...Thanks,    Brent

Using the basic motor (DCPM) motor equation ...electrical and mechanical which have differential equations. I can solve the differential equations in a solve block. I want to create a sum squared error between the measured data and the model, and then using minerr to estimate the motor parameters. The measured data is Ia vs time and rotation speed vs time. But I cannot have two odesolve in one solve block. Can you help please... thanks. 

I am using Mathcad Prime Release 10.0 and Datecode10.0.0.0"The license request failed. Requesting MathcadPrime" in the license field

Hi there Can you help to reach a graph merged to the classification I have I have this graph and I did a classification to the data in this graph ... what I need now is to merge the classification with the graph and make them obvious layers and then find the average in each layer like this By obvious layers I mean > a program wil be able to say from z1 to z50 >> it is a sand layer and the average Q in that layer is 10 MPa ( as an example) Is that possible ? Thank you in advance .. the sheet is attached  

I want to fit my experimental statistical data, which looks very close to a Gaussian distribution, by a perfect Gaussian distribution. I'd like the amplitude, mean/center, width/signa, and background/vertical_offset to all be adjusted for best fit. I know that this can be accomplished using the genfit function; but I suppose others have already done this so that I don't need to reinvent the wheel. I'm running Prime 9.0.0.0.

Hi, I am new to mathcad and trying to input result from a formula as attached. However, the error red that stating the value must be a scalar and vector. How I can fix that? Appreciated to your guys response and help Thanks, Kala

hi wondering if anyone can give me any tips or help? I'm very new to mathcad and using it to create a compressible nozzle with multiphase gas-particle flow. I'm having trouble calculating the velocity of the droplets with an initial velocity of 1. when implementing with rkfixed the vd0 says 'unknown error-ODEtoofewinit'Any help would be appreciated if theres a better way to solve? thanks (g=gas, d=droplet)  

Mathcad Enhancement Proposal (MEP):  Extend the Document Spacing functionality to minimise the vertical or horizontal spacing between regions   The "Separate Regions" functionality is a useful tool for organising a Mathcad worksheet.  However, quite often I find myself "wasting" time doing the opposite - removing spacing between regions.    The usual scenario is that I write partial functions and/or evaluate them as I develop the final form of a function or set of functions.   When I've got the function in its final form, I delete the regions that are no longer required, which leaves me with the task of closing up the gaps their deletion leaves.  This is the kind of mindless activity best left to automation.   An additional button in the Document Spacing group to minimise region spacing, either horizontally or vertically, would be a useful asset to aid in this and other use cases.   Additional MEP:   MEP - Auto-increment spacing b

We just finished the Mathcad Virtual Conference 2022! Hooray! It was very nice seeing some of the PTC Community regulars in the Q&A.   I promised many people in the Q&A that the Design of Experiments in Mathcad Prime (Anji Seberino's presentation) and Developer's Perspective on Prime 8's Engine Updates (Anna Novikova's presentation) worksheets will be available on the PTC Community. (As well as the conference replay page and via PTC rep follow-up.) This post has those worksheets attached.   Also, please let me know what you thought of the conference! It was a massive effort to put together.   The replays-on-demand for the conference should be up at the conference page on Mathcad.com (see link in first sentence) starting by Sept 15 if you missed it.The raffle worksheet will be available a bit later in a Mathcad.com blog article. I'm going to start reaching out to the 25 raffle T-shirt winners next week, since I'm going on a vacation for the rest of this week.I kno

Editor's note: This blog article has a companion PTC Mathcad Prime 8 worksheet that can be read in Prime 8 or versions released afterward. You can find it in this post's sidebar. Calculus is a branch of mathematics quantifying the change of a function. Calculus can be broken down into two main areas: derivative calculus and integral calculus. Derivatives measure the rate of change of a function. Integrals measure the area under the curve of a function. A partial derivative involves a function that is driven by multiple variables, and we find the rate of change of one variable while assuming all the other variables are held constant. If you have ever driven a car, then you can understand the basic concepts of derivatives and partial derivatives. Let’s look at a simple example. Derivatives and Your Car Let’s say you are going to drive your car from your home to work. It takes time to get from point A to point B. You can use a watch to measure time and an odometer to measure distance. Yo

Hi all,  Can anyone suggest how to overcome the issue in the attached image. Currently using Mathcad Prime 10.  Kind regards,Iain 

Looking to provide a sequence number above both the ratio and check matrices, see attached image, to correspond with the check list above.  I work with Mathcad Prime 10. 

I need a new license

I have bought Mathcad premium version but the premium features don't work.

Good Afternoon,I've filled out the form and submitted a request for the free trial version of Mathcad several times and each time I get the message "if you don't receive an email in two hours look in the junk folder. I still haven't received the email. ThanksRick

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As the song says,   What a diff'rence a dalgorithm makes.Timing in secondsOr, by hours reckoned   While developing a function to convert an array into a set, I was shocked to see how slowly some of my algorithms performed.  After a bit of playing, I suspect that fold or stack handle nested arrays and some other data types differently than they do scalars.         Stuart  

Need installation file for Mathcad Prime 10. I have version 11 but I need to share files with a client that is using version 10.

Mathcad Enhancement Proposal (MEP) - Extend the scope of ℤ to include all IEEE 754 consecutive integers, where ℤ is the set of integers.   Mathcad's Is-Element-Of operator x ∈ y determines whether x is an element of y, where y is one of the sets ℂ (complex numbers), ℝ (real numbers), ℚ (rational numbers), or ℤ (integers).  Is-Element-Of works both symbolically and numerically (except ℚ in the latter's case).     When numerically evaluating x for membership in ℤ, x must lie between -231 and +231-1.  However, Mathcad handles numbers as 64-bit IEEE 754 floating-point numbers; thus, the full range of consecutive numerical integers in Mathcad is -253 and +253-1.   The maximum positive floating point real number, realmax,  is 1.7976931348623157×10308.     realmax ∈ ℝ and realmax + realmax×1i ∈ ℂ both return true (1).   Implementing this MEP wou

Mathcad was a pretty good tool. A quick and practical way to do your engineering calculations. That was version 9 way back and still my most used version. After that things didn't change much and together with some minor improvements, some issues came into being as well. I suppose their was no profit in leaving a program that worked just be what it was and so Prime came into being. And what a piece of junk it was. Slow, cumbersome and either lacking important functionality or simply not doing what it should.   Now on version 5 things should have been better. I mean, after eight years enough people should have complained that it didn't work. Right? Yeah. Too much to hope for. It's still slow, UI is still a mess, you can't comfortably input your work quickly and key features that worked fine as far back as Mathcad 9 still fail miserably.   As is the case with many programs, if any of the developer would actually have to use their own program for actual work, they would have kno

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