u = -1/2*ln(-2*t*x+x^2+1)/x;

what is command to find x in terms of u of above formula? i.e. x = u^2+u+1

Most programs will not produce and assign to a large number of global "top-level" names. But it is interesting that the cost associated with such global name assignment is related to the number of entries in libname.

A possible cause of this cost is the need to check whether the name is protected, before assigning.

The following timings were made on 32bit Maple 15 running on Windows 7, on an Intel i7. The set of four timings is...

 Hi.

How can we use  the variation of constants formula to solve the IVP

Hi. I have a system of PDEs. How do I plot its solutions?

I want to calculae the value of "Z" shape strip resistor like below. One end is AB and the other is FG,the thickness is t.
I want to use the Schwarz-Christoffel Mapping for this problem,"Z" shape to rectangle.
I have already find the map from rectangle to half plane,exp function.
But I can't find the analytic form relation from half plane to the "Z" shape.
Can you help me,please?
Thank you in advance.

How can I tell Maple to compute the product of tow symbolic matrices

A:=Matrix(2, [[a,b],[c,d]]);
B:=Matrix(2, [[e,f],[g,h]]);

C:=multiply(A,B);

to have C:=([ae+bg, af+bh],[...])

A collection from 43 problems for students. 12 variants for each problem. Adequate solution. Programs are built into the buttons. Kit has been used successfully for 12 years.

01.mw  - index

01.zip - tasks

Full Collection of problems...

Hi im somehow not able to export my worksheet into a word document, as the rtf format doesnt seem to be available on the maple 15 mac version. converting into html is possible but not satisfying. i really need help here.

thanks a lot !!!!

greetings

What is the distance between the trigonometrical polynomials of the form a0/2+a1*cos(Pi*x)+b1*sin(Pi*x) and the polynomials of  degree at most 1, ie c0+c1*x, in the Chebyshev metrics on the interval [-1,1] and in the L^2 metrics on the same interval?

i want '*' to keep doing exactly what it already does. for example, x*x*x*x is still x^4.

but furthermore, i want to be able to somehow redefine(define in addition) '*' as follows:

protect('a');protect('b');

redefine('*', a*b=1,b*a=-1);

basically, for protected letters a and b, maple...

How can I plot f(x,y)=(cos(x^2+y^2))^1/2 whithout knowing the domain?

And then having Maple to find the domain and plot it?

Thanks.

I have a package, a zip file, written by someone, it consists three files, as seen below

what this package, let's call it helloworld, offers is the following:

all i need to do is extract those three files shown (hdb, ind, lib) into C:\Program Files (x86)\Maple 12\lib

then once i type with(helloworld):

1, it modifies the...

hi

i want to solve following equation

f(s)=a+b*s+c*s^2

with these condition

f(0)=0

f'(0)=0

f'(5)=1

please help me

thancks

hi,

please Help me in the following code :

> restart;
i:=0;
             
u[i](s):=A+B*s-C*exp(-s);
              
lambda(s,x):= -(1/2)*(s-x)^2;
                    

tre(s,x):=lambda(s,x)*(diff(u[i...