Tim Vrablik

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15 years, 301 days

I work in Maplesoft’s Applications group. This group is a hub between Sales/Marketing and R&D. I primarily work with customers to help them use our software for their projects.

Born and raised in Windsor, Ontario, I spent a substantial chunk of my life there. I attended the University of Windsor to study Engineering and Math, and moved to Waterloo to start working with Maplesoft.

My first introduction to Maple was in a differential equations class. Our professor swore by it every day, and felt obliged to show us examples on how to use it at the end of every class. Admittedly, I usually skipped out of class right around that point. It wasn’t until I sat down and used the software to do my homework that I truly realized how useful Maple was…I only wish I had heeded my professor’s advice in the first month of the semester instead of the last.

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These are answers submitted by Tim Vrablik

You can also do a quick search in the help pages on Riccati as well...

Please stop spamming the discussion forums by posting the same question multiple times.  This thread has been locked and can be found in its original forum here.

Redirected to original post here.

Please do not create new threads to reply to posts you have already made. 

Would something like this help?

First, you have to take ln of both sides.  After that, you'll have to recall your logarithmic identities...more specifically: ln(x^a)=a*ln(x) and ln(a/b)=ln(a) - ln(b)

It should work.  I figured the easiest way to show this would be by uploading a file with some examples for you.

View 8337_units on plots.mw on MapleNet or Download 8337_units on plots.mw
View file details

I'm not sure if this helps or not, but the default size when the summary view is displayed is 10 (I originally had 20...one of these days I'll learn how to type).  You can change this through interface(rtablesize=##)

You can use the indets command.

There are a few things you can do (some of these options will give you the answer, some will give you tools to help get the answer).  Among other things, you can:

  • Take a look at the command CompleteSquare
  • Right-click on your equation and use manipulate
  • Load the Conics Tutor (found under Tools>Tutors>Precalculus)


Similar to the above post, you can use convert(f, trig)

You can copy and paste math expressions into your plot...here's how:

1.  Highlight and copy the math that you want to place into your plot.

2.  Click on the plot, and change from Plot to Drawing mode in the toolbar.

3.  Select the Text tool.

4.  Click on the plot to insert a text area.

5.  Press F5 to change to math mode, then paste your expression in.


Hope this helps.

If you want to work through the solution, your best bet would be to use the Limit Methods tutor (under Tools>Tutors>Single Variable Calculus).  Just be sure that when you are entering ex  that you are typing it in as exp(x). 

If you are just trying to get the answer, use the Expression Palette to enter the limit, then fill in the blanks.

If you look up ExcelTools, Export, this is what you'll find:  "...By default, the file is saved in your installation directory..."

Have you looked at the plotting guide (under Help>Manuals, Dictionaries and More)?  From here you can see all of the available plots in Maple, and under Mathematical Concepts Calculated, you will find "Plot Eigenvectors."  If you follow the examples, you should be able to figure out how to get your values plotted.

Another suggestion is to use the tutors (under Tools>Tutors>Linear Algebra>Eigenvector Plot).

Hope this helps.

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