Christopher2222

MaplePrimes Activity


These are replies submitted by Christopher2222

Spoiler

In case readers wanted to try it for themselves I have returned a few lines so the answer is not immediately visible.  My answer is slightly different than the above and uses fewer characters but is roughly the same thing. 

Scroll down to see the answer

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with(StringTools):
newmonth:=parse(FormatTime(%m))-1 mod 12:
newdate:=cat(FormatTime(%Y), "-", newmonth, "-", FormatTime(%d))

                                            newdate:= "2010-7-25"

***edit *** ooooops, I guess that doesn't address the year, probably have to include an if in there I'll leave that up to the reader.

 

 

Spoiler

In case readers wanted to try it for themselves I have returned a few lines so the answer is not immediately visible.  My answer is slightly different than the above and uses fewer characters but is roughly the same thing. 

Scroll down to see the answer

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.

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.

.

.

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.

with(StringTools):
newmonth:=parse(FormatTime(%m))-1 mod 12:
newdate:=cat(FormatTime(%Y), "-", newmonth, "-", FormatTime(%d))

                                            newdate:= "2010-7-25"

***edit *** ooooops, I guess that doesn't address the year, probably have to include an if in there I'll leave that up to the reader.

 

 

@acer sorry, I'm referring to the ncrunch review.  I thought I mentioned it but I also thought it was apparent.

I also found the review in the computing and science and engineering a little better.

Although it's older versions, in the overall scores, Maple scores dead last!  I can't truly believe that. 

Also although the author says to compare them on fair ground it would be interesting to know the authors background and experience in such systems.  I almost find it hard that one person would be as fluent in all 3, I almost expect there to be at least a little bias in a so called "fair" comparison.  It seems to me that the article did have a slight mathematica bias in it.

It would be interesting to have 3 experts or teams pitting each of the 3M's against each other in a shootout test.  Certainly some tasks will perform better on certain systems but the actual test itself might also favour one CAS system over the other so it would be difficult to set up.

I think it would be hard to set up an unbiased test but I would like to see one.  Mathematica instantly grabs public appeal to an ordinary layman because of it's strength in graphics.  I'd like to see Maple up the ante on that one. 

One good thing that comes out of these tests are better future versions .. hopefully, but only if the companies are paying attention to these sorts of things.   Hopefully Maple is. 

 

okay, thanks.  It would be really nice if a quick patch could be made for Maple 12 users :) but it's good to know that the functionality is okay in Classic Maple 12.

okay, thanks.  It would be really nice if a quick patch could be made for Maple 12 users :) but it's good to know that the functionality is okay in Classic Maple 12.

Okay thanks for the explanation.  This issue is apparant in this one I posted here where I thought there was a bug in matrixplot http://www.mapleprimes.com/posts/80849-Matrixplot-Bug

Is this rendering an issue you are concerned about?  Do you intend to have maple plot better? 

 

Okay thanks for the explanation.  This issue is apparant in this one I posted here where I thought there was a bug in matrixplot http://www.mapleprimes.com/posts/80849-Matrixplot-Bug

Is this rendering an issue you are concerned about?  Do you intend to have maple plot better? 

 

@Will Yes I saw their location as referring to the old primes format. 

However, Jakubi did re-upload them, I actually found the files on my hard drive becuase I downloaded them, luckily, at the time he posted them.  I only found this post again and didn't know if I had downloaded the files or not. 

Perhaps the files were uploaded when the old primes was still online.  Regardless I can post them tonight for the rest of the community, unless Jakubi does so before me. 

Thanks for letting us know.

right!  The first frame is shown with the points and then when you run the animation they dissappear out of the field of view.  The view option doesn't appear to work.  You can only see the animation properly if you use axes=boxed.

Thanks, it makes sense now.  However it is undocumented

Thanks, it makes sense now.  However it is undocumented

@pchin hopefully next patch.  I would expect there to be at least 2 more patches on the newest version of Maple as in Maple 12 and Maple 13 both had an extra .02 upgrades of fixes.  I would think at least a fix in the next dot patch since it was working in a previous version. 

In any case, anyone wishing to use a standard interface worksheet with any code containing a similar line to

animate(pointplot3d,[[a list of points],orientation=[A,A],A=0..360)

will have to convert it to

pointplot3d([a list of points],orientation=[fixed value,fixed value],viewpoint=circleleft)

using Oliver K's suggestion.  Classical versions for 13 and 14 work fine with the original code (unless you have a 64 bit version of Maple 14 which unfortunately will not include the Classic version).

On the positive side the pointplot3d option is less memory intensive than the animate option however the viewpoint features are only available when the problem occurred so one is not offered to have an, either - or, option choice in the standard interface.  So far, it is either one or the other.  Should a patch occur with Maple 14, then it will only be Maple version 13 that will forever contain the bug.  Hopefully they can fix the bug before another version is released.

 

@pchin hopefully next patch.  I would expect there to be at least 2 more patches on the newest version of Maple as in Maple 12 and Maple 13 both had an extra .02 upgrades of fixes.  I would think at least a fix in the next dot patch since it was working in a previous version. 

In any case, anyone wishing to use a standard interface worksheet with any code containing a similar line to

animate(pointplot3d,[[a list of points],orientation=[A,A],A=0..360)

will have to convert it to

pointplot3d([a list of points],orientation=[fixed value,fixed value],viewpoint=circleleft)

using Oliver K's suggestion.  Classical versions for 13 and 14 work fine with the original code (unless you have a 64 bit version of Maple 14 which unfortunately will not include the Classic version).

On the positive side the pointplot3d option is less memory intensive than the animate option however the viewpoint features are only available when the problem occurred so one is not offered to have an, either - or, option choice in the standard interface.  So far, it is either one or the other.  Should a patch occur with Maple 14, then it will only be Maple version 13 that will forever contain the bug.  Hopefully they can fix the bug before another version is released.

 

@jakubi I suggest we upload the files one more time and give it one last opportunity. 

Also I suggest the administrator owes us an explanation as to why the files were corrupted a second time. 

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