Maple Questions and Posts

These are Posts and Questions associated with the product, Maple

Hello, everyone. I have been messed up by a system of 50 nonlinear parametric equations with 50 unknowns(see the code in the file named nonlinear ). Since I am new to Maple, I don't know whether it is possible to make such a system work out by software. I've tried the SOLVE and FSOLVE command but get no result. Are there any other ways or toolbox for such kind of systems? Is there any typing wrongs in my code? I am sincerely looking forward to  receive any ideas...

c := -x2^3+x1^3+x0*x1^2;

subs(x0 = a1*u+a2*v, subs(x1 = a3*u+a4*v, subs(x2 = a5*u+a6*v, c)))

match(-x2^3+x1^3+x0*x1^2 = -(a5*u+a6*v)^3+(a3*u+a4*v)^3+(a1*u+a2*v)*(a3*u+a4*v)^2, {x0, x1, x2}, 's');


how to find a1,a2,...a6

Can Maple preserve at least some of  indicated formatting on the attached worksheet slides.mw?

The accented characters  ő, ű from the text eg., are missing. 

A "simple hack":

Export to RTF -> load into MS Word -> export to PDF

But what about line and page breaks, headers and footers, hyperlinks, etc?

Sometimes it's an overkill to copy and paste Maple input and...

Good morning Professor,

I request you to help me How to set single precision arithmetic in Maple?

because, it is needed for some of the problems in finding iterative solutions by using Gauss elimination, conjugate gradient method, etc in Numerical Analysis.

 

With thanks & regards

 

M.Anand

My math professor recently assigned this problem on maple. this is my first time using it, ive emailed her about the question and she is not much help. could somone work it out on maple and post a screenshot of it? or a pdf file? it would be very helpful since i have more quesitons like this i could use it as a reference. Now the problem:

The point(0.5,0) lies of the curve y=cos(Pi*x)

a) If Q is the point (x,cos(Pi*x)), use your calculator to find the slope of the secant line PQ...

i'd like to know how type the infinity symbol and other symbols in the integration methods tutor, when i type the word infinity , it says "invalid value, must be a number"

Other work done to demonstrate that using the correct syntax leads to corroborate all the principles and theorems found in the area of geometry. The Gergonne Point is another achievement developed by Maple procedure through GergonnePoint command and use. I hope your hand corrections if any.

Point_of_Gergonne.mw

Atte

Lenin

 

with(algcurves):

f := y^2 - x^3  - x^2 =0;

c := simplify(subs(x=x1/x0, subs(y=x2/x0, f)));

c := -x2^3+x1^3+x0*x1^2;

parametrization(c, x0, x1, x2, u, v);

 

how to make

x0 = a0*u + b0*v

x1 = a1*u + b1*v

x2 = a2*u + b2*v

 

 > with(algcurves); f := y = x^3; v := parametrization(f, x, y, t);

[AbelMap, Siegel, Weierstrassform, algfun_series_sol, differentials, genus,

 

  homogeneous, homology, implicitize, integral_basis, is_hyperelliptic,

 

  j_invariant, monodromy, parametrization, periodmatrix, plot_knot,

 

  plot_real_curve, puiseux, singularities]

        ...

1.

   Suppose thT the population y(t) of a certain kind of fish is given by (D(y))(t) = Ay(t)-By(t)^2, and fish are caught at a rate Hy proportional to y.Solve this so-called schaefer model. Find the euilibrium solutions y1,y2(>0) when H

2.< Intermittent harvesting>

 In 1. assume that you fish for 3 years, then fishing is banned for the next 3 years. Thereafter you start again. And so on. This is called intermittent harvesting....

How do you plot in Maple 17 a function like f(t)= e-t for -1<=t<=1, with a Period of 2? I know that in "The fourier Series" package back in Maple 10 this was possible.

1. x^2*diff(y(x),x,x)+x*diff(y(x),x)+(x^2-1/9)*y(x)=0

I want solve this equation with Bessel'function in maple.

 

2. x*(diff(y(x),x&2))+2*(diff(y(x), x))+16*x*y(x) = 0

3. x*(diff(y(x),x&2))+(2*x+1)*(diff(y(x), x))+(x+1)*y(x) = 0

I want solve these equation with frobenius method in maple.

 

Thank you ♥

It seems that empty symbol is redefined (overloaded) in Physics package:

Code:

restart; 
with(Physics):
a := ``;

Result:

A sequence of real numbers a_1,a_2,a_3....... satisfies a_0=1 and

regarding optimization, we know about inputs like "assume=integer". I want to instruct Maple that the variables in my problem are required to be unique.

eg I have three variables a,b,c that could take values 1,3 or 4 (but not 1,1,2 or 2,3,3 ....etc).

With DirectSearch I could always add the constraint {a<>b, b<>c, a<>c}, but it gets complicated if you have more than 3 variables. Additionally Maples Optimization package...

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