6 years, 283 days

These are answers submitted by Christopher2222

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April 10 2015 Christopher2222 3906

It is appearing that your use of Exceltools was the problem.  Use ExcelTools.

Another option is to use something like matrixplot with the option heights=histogram


March 25 2015 Christopher2222 3906

currentdir() will give you the path of your current worknig directory.


March 22 2015 Christopher2222 3906

Please reference this topic

In a nutshell basically use windows desktop setup to alter the colors.  Failing wanting to do that you can change the font colors easily with Format->Styles or manage style sets and create your own.  As for the background (using the ref above) create a 1x1 table and change the colour in the cell. 

Speed performances for 2015 are much improved - link has been updated in initial post above - All three M algebra systems now have similar speed performances.

Maple 17 user manual and programming guide pdf's can be downloaded from here

Under View select Show/Hide Contents... then uncheck box labelled Execution Group Boundaries

This problem could be applied to a similar issue in deciding which lengths to cut in set lengths of framing.

Home depot sells pine colonial casing in 7ft. lengths only.  I have 4 windows and one inside door (both sides) to frame.  The windows are 2 - 42x20 windows, 1-30x30 window and 1-16x20 window, the door is 72x32. 

What is the minimum number 7ft framing pieces I need to finish the job? and how do I cut the wood?

So I want to minimize my waste and hence minimize my spending.  



November 23 2014 Christopher2222 3906

It appears readdata stops reading when it gets to a comma.  Maple's readdata also regards spaces as a seperator.

readdata("d:/test.txt",string,5) will read in your data

invconv proc

November 23 2014 Christopher2222 3906

Another less desireable more complex/expensive way to convert the list back into the original number, is to create a procedure that manipulates the list created by convert using commands from the StringTools and ListTools packages. 



  uses StringTools:
end proc:






November 21 2014 Christopher2222 3906

collect seems to get rid of the negative sign and re-orient the values as well


ee := -ln(-a/(b-c));
ff := combine(ee, symbolic);
ln(collect(exp(ff), a));


Expanding on Kitonums answer we could also create a procedure

  local a: 
end proc:





October 24 2014 Christopher2222 3906

Try listplot

listplot(DataTable3[..,1])  #plots the first column of your data

In the Maplesoft application center here

Or at Mobius apps here

Various other webpages also exist around the web.

. or *

June 09 2014 Christopher2222 3906

It is possible seeing that you have "******" in one of your answers that you are using "*" for matrix multiplication instead of "." 

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