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Linear Interpolation and Extrapolation

I am still new in mathcad and I am wondering if there is a way to get around the fact that linterp(vx,vy,x) cannot use arrays with a different number of elements? For example, three pairs of points but...

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mcd11 closes when opening some files

My mcd11.2a home copy (on XP) will just close - as if I clicked the x in the upper right corner - when I click on, or drag into the open mathcad window - some newer files (recent, but also mcd11.2a)...

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Embedded xls appear as black rectangle in pdf?

To all, When printing a mathCAD document to PDF (using PDF creator) all embededd excel spreadshees are not printed properly. All  I get is a black rectangle where the xls is. Any suggestion(s) or work...

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MCAD 4.5 Anyone?

I have several very old drawing files, which were readable in Mathcad 4.5 (probably, since they are not readable in v5.0). I have long since upgraded, one version after another, and dumped all my old...

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Excel blamed for multibillion dollar financial losses.

Interesting article in the New Statesman about the dangers of Excel, highlighting some of the problems with Excel workbooks, particularly it would seem the difficulty of validating them and the poor...

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Mathcad 12 & Refprop (NIST23)

Does anybody have any ideas on how I could get Mathcad and Refprop (NIST Standard Reference Database 23) to work together. I was trying to access Refprop through VBScript, but one of the limitations...

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SMath Studio

Check out SMath Studio, a new and free symbolic mathematics software application with WYSIWYG 'paper sheet' interface at "http://en.smath.info"

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Installation problems with Mathcad 15 / Windows 7

I have a student licence of Mathcad 15 and I am trying to install it to a computer with Windows 7 Home Premium 64-bit operating system and Intel-7 processor. The problem is, that the installation stops...

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How do I update?

Just moved Mathcad 14.0 M020 to a new machine.  After running license utility and launching Mathcad it brought up a link to update.  The link seemed to go nowhere.  I went to the PTC website and...

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Cylinder under external load

I am currently having trouble designing a reel winder in work, picture included below to help with the explanation. If you can imagine the wire coming off the bottom of the barrel and attached to a...

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Converting physical component models to Mathcad functions

We've been exploring a route to convert physical component models like this...to Mathcad functions like this... The process works through code generation of the physical component models, and...

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Mathematical ways to draw a 2D heart w/Mathcad 15

Heart 2D in Mathcad 15: 

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create a combobox that is linked with another

Hello,Ihave a question aboutmaking acombo box.Iwould liketomakea comboboxthat is dependent ona previous entry.I achieved itwith alistbox, but a comboboxlooksneaterand is easier to select.I haveattached...

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ORIGIN variable in MathCAD

The ORIGIN variable is the variable that sets the indexing for matrixes. When the user sets the ORIGIN to a value of 1, MathCAD should start the indexing of matrixes at one. When I do this, MathCAD...

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Deleting Rows from Data Tables

I have created a Mathcad 14 sheet with a data table that I use to provide input variables. The number of rows of data in that data table vary from problem to problem, so I need to be able to increase...

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Forum

You have got to be kidding!  This thing is supposed to replace the collaboratory? For starters, how does one fine new (unread) messages?  It seems one needs to click on all of the individual areas,...

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Will PTC ever port Mathcad to Max OS X?

Ever plan to release a Mac variant of Mathcad?  A while ago I converted to Mac OS X, due to a very unpleasant Vista experience, after using exclusively Windows since the days of CPM.  I plan to never...

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Mathematical ways to draw a heart

Thanks to @mathematicsprof for the reference, here are some fun ways to create a heart using math. http://www.mathematische-basteleien.de/heart.htm Can anyone create the three dimensional heart? -Dan

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Solution ever found for Running Mathcad 6.0 in Windows 7?

It works just fine except you cannot create or save a new file; Mathcad just closes/crashes. Yeah, I know how old 6.0 is. I use version 13 quite a bit but want to use 6.0 on my laptop.  Thanks for any...

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Support contract needed for changing host-id for a node-locked license?

I've buyed a single user verion of Mathcad Prime 3.1 with one year Support included. Maybe i will extend this contract until verion 4.0 is published. In the next three, four years it maybe that new...

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