Auliver

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11 years, 79 days

MaplePrimes Activity


These are answers submitted by Auliver

Many thanks.

I finally managed to figure it out manually. The expression,

k!/(k+t)!

splits into partial fractions of the form

1/a[k]-1/b[k]

where

1/a[k+1]=1/b[k]

So, in the summation, the 2nd and 3rd terms cancel, the 4th and 5th terms cancel, etc until finally, we are left with

1/a[0]-1/b[n-1]

as the final result of the summation.

 

But many thankls for the code. That'll come in useful.

Many thanks for the comments lads.

NM. I just figured it out :)

r:=RootOf(189*_Z^6-756_Z^5+567_Z^4+819_Z^3-1386_Z^2+672_Z-104,label+_L1);

expr:=op(r);

                                    expr:=189*_Z^6-756_Z^5+567_Z^4+819_Z^3-1386_Z^2+672_Z-104,label+_L1

 

Thanks to you both. I used the 2nd option with offset and view. My histogram now looks good!
Thanks, that works great. I have a great-looking histogram. Just one thing though. My data-set actually started at daynum = 235. So it would look like L := [[235, 3], [236, 1], [237, 2], [238, 3], [239, 4], [240, 6], [241, 5], [242, 4], [243, 1], [244, 2], [245, 2], [246, 1], [247, 3], [248, 3], [249, 6], [250, 6], [251, 10], [252, 7], [253, 5], [254, 6], [255, 3], [256, 1], [257, 1], [258, 1], [259, 3], [260, 1], [261, 1], [262, 2], [264, 2], [265, 1], [270, 1], [271, 1], [272, 1], [274, 1], [275, 1], [275, 1]]; Can I get the daynum-values (or a selection of them) to appear on the horizontal axis, or am I always going to be stuck with a sequentially increasing list of numbers from 1 onwards ? In other words, can I specify a range for the horizontal axis ? Many thanks.

Thanks Alec and Mario,

I think I am now getting used to the idea that what I wanted won't happen :(    I had hoped that a table would be an object, with an object name and that the cells could be referenced with something like TableName[Row][Col]

I had come across that help page on Table and Classic Worksheet before, but I couldn't for the life of me figure out how to get Maple input into the cells. I finally figured that out earlier on this morning.

For anyone else reading this, put the cursor into a cell and press Ctrl+M, or Insert>"Maple Input". A Maple input prompt appears in the cell.

I can definately see the advantages of having a Maple input prompt in a cell, but I guess there may still be a bit of copy and paste to do!

I was able to format a table to look exactly like the one on p. 167, and place each list element , from the generated data, in each cell. Then highlight the cells and click on the !-button to execute.

Thanks all.

 

p.s. in my user manual, Table and Classic Worksheet was on p.258

 

Thanks for the very quick reply. Yes, I can do that - use spreadsheets - but it was the presentation look that I was after. In the set book mentioned in the link I gave, it said that all graphs in that book had been created using Maple, and I assumed/hoped that the table (on p.167) had also been created using Maple. I felt that my results , when presented , would look much nicer in tabular format rather than in spreadsheet form. But many thanks for the input.
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