Thomas Richard

Mr. Thomas Richard

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15 years, 59 days
Maplesoft Europe GmbH
Technical professional in industry or government
Aachen, North Rhine-Westphalia, Germany

MaplePrimes Activity


These are answers submitted by Thomas Richard

There are essentially three ways, depending on what parts of your worksheet you want to save:

First: save the complete worksheet via the File > Export As... menu. Select Maple Text (.txt) as file type here.

Second: save individual variables (along with their values) using the save command. Just do not use the extension .m here as it has a special meaning; see ?save for more information.

Third: capture your (partial) session in a log file using the writeto (or appendto) command. (Make sure you issue interface(typesetting=standard) before, or set it via Tools > Options > Display > Typesetting level.)  When done, resume normal operation using writeto(terminal).

That's the default behaviour. You can change it via Format > Labels > Label Display...

Set the numbering scheme to "Sections Numeric" if it wasn't already set so.

Just enter the symbol. On my German keyboards, it's the key to the left of 1 and below Esc, accessible through Shift-^

plot(x^2, labels=["Distance", "Temperature (°)"]);

Don't know about Google Finance, but it should be accessible through Maple's Sockets package. An example using Yahoo Finance is available in the Application Center at www.maplesoft.com/applications/view.aspx.

I'm sorry, it seems I was on vacation too long.

That type of loop is not directly available. Probably the condition will have to be modified (if applicable), or use a break statement, as shown in the other reply.

Just type ?do to open the help page. Also see the note following the examples: it is often more elegant and/or efficient to use other constructs such as the seq command.

Also check out the LargeExpressions package, which works differently from labelling.

When you start Maple first, MATLAB has no way of knowing that. Instead, the MTM provides methods for launching Maple from within MATLAB. I suggest that you begin with

doc maple_overview

This is what the "Getting Started" section in MTM's Install.html recommends.

By the way, there is a more specific forum on MaplePrimes dedicated to toolboxes. Maybe the admin can move this thread appropriately.

Please post your code, or upload your worksheet, so that we can reproduce the problem.

The "ee" sounds like an escaped local variable, but I'm just guessing here. Which Maple version are you running?

The recommended method to check for Matrix equality is LinearAlgebra:-Equal.

Please see ?QueryBuilder. The "simple" and "advanced" views are features of this. The Database package is included in Maple 12 (also in the Student Edition, as there are no technical differences to the Professional Edition). It was available as a separate toolbox for Maple 9.5 - 11.

There is a monograph on Matrix Riccati ODEs, published by Birkhäuser, that comes with Maple worksheets. I don't recall exact title or ISBN, sorry.

Edited: here it is: http://www.springer.com/birkhauser/mathematics/book/978-3-7643-0085-2

I'm not ultimately sure any more about the worksheets - just saw the book at the publisher's exhibition booth years ago, and talked to a representative.

Actually, it is documented at ?updates,Maple8,programming. Well, maybe not the most obvious location.

Think of x as a pointer to a certain Vector. For the the actual comparison, you will need the Equal command (see ?Equal for more info):

if Equal(x,Vector(2,[1,0])) then 7 else 3 end if;

By the way, if you merely want to check if x is of type Vector, then this will do:

if type(x,Vector) then 7 else 3 end if;

The red arrow (actually a greater-than sign) and the subsequent space character form the default prompt in Maple. You can always customize that; e.g. via interface(prompt="") you will get rid of it.

Essentially I have something like t:=a[[1,2]] and I want the list [1,2] to be returned.

This could be obtained through op(t), but I doubt it will help with the solve question.

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