So I am trying to install Maple on OSX 10.5 and I am getting this error: Cannot launch Java application Uncaught exception in main method: java.lang.NumberFormatException: For input string: "TipCount" Any suggestions? I have a feeling it is not a problem with 10.5 but just a Java problem in general. Any help would be greatly appreciated! Thanks! Brandon

I was recently asked what I thought of using Approximate Entropy in financial trading. I was not much familiar with ApEn; so I experimented a little. A natural thing to do is consider long bit strings that are suspected of being able to (but not known to) pass general tests for randomness. Examples include leading bits of Pi, sqrt(2), etc. So I began with the following. PiFive:=evalf[350000](Pi): bits:=convert(PiFive,binary,1000000): (Such things are helpful in various applications, not just studying ApEn.)

Can anyone remove blog entries that they have created ? If that option is available, can someone show me how to do this?

Hi All. To find all solutions to a trig eqn in Maple 11 you do the following (See attached file). My question is what commands do I use in Maple 10 to replicate the Maple 11 results. M11 is too slow on my machine. (in M10 all i get is error message "solutions lost"). rgds View 2735_Solutions with restrictions.mw on MapleNet or Download 2735_Solutions with restrictions.mw

Maple currently cannot output graphics as pdf. It would be convenient for me (and anyone else who uses pdf(la)tex) to have this facility rather than converting the .eps output to pdf before inserting into a tex document. Thanks Mark

It is easy to not notice that there is new mail in my inbox. How about a more prominent notice, when the inbox is non-empty?—e.g. something like the boxed notice that appears at the top when I earn new points?

find the small x series which approximates

(tan(x)log(1+x))/X

by plotting the function and the series approximations investigate how accurate this approximation is over the range 0<x< Pi/2 when different numbers are included in the series

i have no clue where to start can anyone help me please???

On the ground of problems with tab indentation, see my former thread, I now instead use spaces as indentation (as I suppose the majority of you do too, or what?) Using spaces comes at a price, though: Each indentation of mine consists of three spaces. For deeper nested/indented structures of code these, I think, becomes quite tedious to enter. Therefore, the following question: When using Shift + Enter, that is, creating a new line, is there some way to tweak Maple to automatically position the curs

I need to sketch a graph of a sail and indicate the location of the center of pressure. I'm semi new to maple, so if you could explain step by step, that would help me. Points (0,0),(2,1),(0,5) The lines would be y=-2x+5, y=0, & y=x/2 How do I get all three of them into one graph and only from ththe points? Also, how do I indicate the center of pressure which is (31/12,7/12) ? Thanks, Jerry

Hi All In M11 you do the following; _EnvAllSolutions := true: _EnvExplicit := true: solve([sin(x)*cos(x)=0,x>0,x

I can't seem to figure out how to plot the following in polar form. Can you help please. I'm semi new, so not to fast please. -9/(4*r^2+36)

A poster on the usenet group comp.soft-sys.math.maple asked how to do the following more simply:

A:={ { [1,2],[3,4] } , { [5,6],[7,8] } }:
map(x->map(y->map(f,y),x),A);

       {{[f(1), f(2)], [f(3), f(4)]}, {[f(5), f(6)], [f(7), f(8)]}}

As has been discussed here recently, this can be readily done using evalindets. For example,

evalindets(A, list, integer, f);
       {{[f(3), f(4)], [f(1), f(2)]}, {[f(5), f(6)], [f(7), f(8)]}}

John Fredsted asks whether there is a built-in method in Maple for lexically sorting a list of lists of small positive integers. There is not, however, Robert Israel provided two methods for accomplishing the task. The first uses the standard technique for extending Maple's sort procedure, that is, assigning a boolean-valued binary function and passing it to sort. The second method that Robert provided is ingenious. Here it is, in full,

Ls:= map(convert,L,bytes):
Ls:= sort(Ls, lexorder):
map(convert,Ls,bytes);

It converts each list into a string, sorts the strings, then converts the strings back to lists. This method is significantly faster than the previous. It does, however, have a limitation; it can only operate on lists with positive integers in the range 1..255. While that limitation was suitable for the original poster's application, that will not always be the case.

I have been trying to replicate the results of an analysis which uses elliptic integrals of the first and second kind (see an earlier post titled "Solve This! - Elliptic Integrals" for a copy of the analysis and a Maple worksheet that plots an equation containing an ellipitc integral). Dr. Israel provided the Maple commands that generate the plot; however, the results are not in agreement with the paper - not even close! In an attempt to validate the EllipticF(z,k) command in Maple, I have generated a spreadsheet (attached) which uses an EllipticAddin to generate a table of values for a range of phi from 1 to 45 degrees and theta over the same range. As you can see from the workbook, the Addin has successfully generated a table that is in perfect agreement to five decimal places with the results given on page 94 of "Elliptic Integrals", 1st Edition, by Harris Hancock, Wiley & Sons, 1917 (available in PDF format from Google). The sheet that uses the EllipticF(z,k) command is not in good agreement with the table from Hancock's publication.

I could not find any place to submit bug reports to Maplesoft, so I'll post this here: