C_R

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5 years, 318 days

MaplePrimes Activity


These are replies submitted by C_R

@epostma 

Sorry, I did not intend to take so much space with that factoring example. At least it's a good benchmark for AI.

@sursumCorda 

Thank you! I will study this and try to make a link to help(examples, functionaloperators) where I could have deduced an answer  myself (see "Operators are distributive.").

@sursumCorda 

Explain(further): What does the "*" between content and primpart do in a fucntional operator and where the h... did you find this?

(Your magic statement will probably not work if the 2 was a positive real constant.)

Anyway, since you are human (I hope), I give you a mental thumbs up.

Since I did not understand in the above the need to enclose Explain in a display(…) command I searched in Maple with Alt+s for “display”.

The topics in help were not conlcusive.

What I tried next

display(Explain(display))

and got this answer back:

Display refers to visually presenting information or data, often on a screen or other visual output device. This can apply to many different scenarios, from a computer screen displaying a web page, to an LED sign displaying the time. "Display" can also refer to the way in which something is shown or presented, especially in exhibitions, museums, or trade shows. For instance, a store might create a holiday-themed "display" in their window, showcasing their top-selling products. In the technology world, "display" can refer to the hardware used to show visual output, such as computer monitors, televisions, or mobile phone screens.

I then searched the document for "display" and got the answer...

 

Overall, natural language models will be part of our future, if we like it or not. From this perspective it’s good that Maplesoft takes initiative. Hopefully Maplesoft will provide in the future an own model and we do not have to depend on third party models. Supervised learning by Maple users will likely improve the correctness of answers and exploit better the already existing knowledge base.

After having learned Maple the hard way by reading the documentation and consulting Mapleprimes and support, I do not see a need for me to chat. This might change the day when “MapleChat” can provide, for example, more examples and/or explanations on command options. Or the day when I can ask Maplechat to provide a command that factors sqrt(2) out of sqrt(2*a+2*b) . What we don’t need is something like that

 

 

 

@Joe Riel   @Anthrazit

After updating an outdated OpenVPN I can again turn on the start page again.

At the same time other applications where running normally appart from the file explorer which took ages to display folder content (the green progressbar did not finish a fast as usual). This is annother indication that the filesystem is somehow involved in the slow opening of the start page

@ianmccr 

Interesting.

Looks like what I experience from time to time when my display is set to 4k and as you said after some time of oparation.

What was die display resolution when you took the screen shot?

Some of the palletes look crisp and others blury. That's what I see only under high resolution on ATI and on NVIDIA

Maybe its worth updating the graphics cards dirver?

@ianmccr That's OK.

Could you share an example: A Maple worksheet with a code edit region and the code pasted.

I can't reproduce what you described.

Question: What happens if you paste in an input line in Math 1D?

Can you attach images in better resolution? I hardly can read the code when zooming in.

The error massage fits to Maple 2020, which had no print[n] but also no negative interface values

Looks to me that the implemented error massage is still the old.

@sursumCorda 

I observe more or less the same pattern than you with the difference that my computer is slower.

At n=15 Maple 2018 terminates with a memory allocation error.

Maple 2023 evaluates for a long time but finishes successfully 

.

@sursumCorda 

Besdies using optimized library code (which might not be avaialble on all operating system Maple supports) cache size and memory allocation could play a role when FFT performance decreases. On my machine the processor cache

(from the task manager performance tab)

is in the order of magnitude of the arrays where you notice a "sudden" increase of processing time. It could be that your Phyton code uses better hardware support and/or less memory.


If you provide executable test code, other users here could test for a sudden performance decrease on their machines with different chache size

time without real, Clock commands and/or the Time command might give a better understanding if I/O to the system memory slows down computation.

Reading Fourier Transforms in Maple tells me that there has been some effort to optimize FFT. Signals/Images 2^14x2^14 would be larger than 100 MPx. I don't think Maplesoft has specified, optimized and tested that far. Its hard to find real valued 16k image content in high resolution. This might be something for the future.

 

A reason why this old code has not been optimized could be the signal processing library which has been introduced with Maple 2017:

help(SignalProcessing,FFT)

Could this be an alterantive?

I think I got the code snippet and the 20y wrong.

 

Which version do you use?

@Fereydoon_Shekofte 

You're welcome! I'm glad to hear you found it interesting. I hope to find some time for more fun stuff.

@Joe Riel 

on a different Windows 10 PC after system restart:

  • After 5 minutes of waiting I started Maple 2022 and Maple 2021 which also tried to open the start page.
  • After 10 minutes I killer all Maple instaces
  • Starting Maple 2023: the same issue. I left to grab something to eat. When I came back after 25 min the start was opend.
  • I disabled the start page and enabled it again. Now it seems to start normally. I will keep an eye on it on this machine as well.
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