Scot Gould

Scot Gould

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11 years, 91 days
Claremont McKenna, Pitzer, Scripps College
Professor of Physics
Upland, California, United States
Dr. Scot Gould is a professor of physics in the W.M. Keck Science Department of Claremont McKenna, Pitzer, and Scripps Colleges - members of The Claremont Colleges in California. He was involved in the early development of the atomic force microscope. His research has included numerous studies and experiments using scanning probe microscopes, particularly those involving natural fibers such as spider silk. More recently, he was involved in developing and sustaining AISS. This full-year multi-unit, non-traditional, interdisciplinary undergraduate science education course integrated topics from biology, chemistry, physics, mathematics, and computer science. His current interest is integrating computational topics into the physics curriculum. He teaches the use of Maple's computer algebraic and numerical systems to assist students in modeling and visualizing physical and biological systems. His Dirac-notation-based quantum mechanics course is taught solely through Maple.

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These are replies submitted by Scot Gould

Upload your worksheet for assistance.

@mr_picky  Have you looked into the application center?

It is not specific, but you might find it handy for other projects. 

@mr_picky To upload your worksheet, hit reply and then hit the big green up arrow. Select your file and insert it as a file or as content. 

It is very difficult to work with the worksheet printed the way it is above.

@mr_picky, I just want to point out that sum is a great procedure. And, it works with the Sigma symbol which I prefer to use. (I swear, it seems like the folks at Maplesoft seem to make it smarter with every release, even if they say it does not.) 

 However, sum is designed for symbolic summations. Here, you want to add values. Hence, this is when you need to use the add procedure.

@acer As I said, there are multiple ways. I prefer to comment while coding using the word Matrix (or Vector or Array). 

Beauty is in the eye of the beholder

If you want to copy matrices, do not simply write

B := A;

Since matrices are "mutable" rectangular tables (rtables), Matrix B will reference A. Hence, any changes to A will be observed in B. There are several ways to make a full copy, but IMO, the most readable is to create a Matrix out of A:

B := Matrix(A);

@goebeld ,  @dharr has nicely answered your questions, particularly about "<", ">" brackets. 

Since you are a new user, you might find the series on learning Maple that I put together for the new users I teach. In most videos, I type the commands or click the palettes instead of just presenting the output. The video on creating vectors is here, and the one on creating matrices and matrix arithmetic is here.  (I try to limit all videos to 12 minutes. One of them got away from me. 😕 )  Each video comes with an associated document if you prefer to read than watch. 

The entire series can be found on the website: 

@dharr I saw that procedure name, but I assumed that was a typo by the OP.

@C_R I wondered what was going on. I agree. There is certainly a huge advantage to using a multiplatform system. 

Add another data point of where the content of the Maple interface disappears: Windows 11 laptop: Intel Iris Xe Graphics. 

Works properly for me in 2023 and 2024. I am not using the Physics package.

@mmcdara Thanks for taking the time to write this all out. Rest assured, with my lack of experience in probability and the Statistics package, this output would have required days of research and much failure. 

The code comes from a Wikipedia article on Monte Carlo integration.

I wondered if the sampling technique provided was going to be more useful than the crude method as a demonstration of a single-variable example of Monte Carlo integration.  Of course, Maple and Mathematica can quickly integrate the function. 

int(1/(1+sinh(2*x)*ln(x)^2), x = .8 .. 3) = .6768400757NULL


Could you recommend a book, website, etc., that would help me get up to speed with probability distributions?


@jganding LOL! I hadn't thought of using the MmaTranslator line-by-line. Instead, I used the MapleApp, and it puked at the 2nd line. Thanks. 

@C_R Thanks!  Well, for this 10-year-old laptop I'm working on, the display adapter is Intel(R) HD Graphics 620.   For the 5-year-old workstation, the adapter is an NVIDIA Quadro RTX 4000. And, LOL, the open Maple worksheet was completely blank of any features. 

Again, I've seen this effect on all my Windows-based machines for quite a while. It is a bit embarrassing when I'm making a presentation in front of the students. 

The other pain that I've complained about is, if a Maple session is open for some time, with the machine put in sleep mode and then awakened, the sub-menus from the top menu bar do not open. Again, the java interface is the reason, that I'm told. 

@C_R I receive a new version of Maple annually. Hence, I have all versions for several years, though, on my computers, I tend to keep versions from only the past 3 years. Sorry, I am not familiar with the type of video cards that are on the computers. However, I observe the effect on my Windows workstation and multiple laptops. 

Maybe the simplest answer is to turn off the Wifi, or whatever the students are using on a computer to access the internet. 

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