Maple Questions and Posts

These are Posts and Questions associated with the product, Maple

Hi,

Ive been trying to solve critical points for maple but i keep getting this werid equation:

(1/7)*RootOf(tan(_Z)^2+4*_Z*tan(_Z)+4*_Z^2+28*tan(_Z)-140*_Z-1176)+1+(1/14)*tan(RootOf(tan(_Z)^2+4*_Z*tan(_Z)+4*_Z^2+28*tan(_Z)-140*_Z-1176)).

 

What I have typed

f:=x->(7-x)*sin(x^2-7);

f1:=D(f);

When I try putting:

solve(f1(x)=0);

I get that werid equation

 

Hello

 

Can I make a button with the code so it will execute the entire worksheet?

 

I have tried without sucess to run the

Equation manipulator.

I get the following error:

"

Error, (in Maplets:-Tools:-CleanElements) invalid input: op expects 1 or 2 arguments, but received 0

"

Do I have to load some package for it to run?

I have searched for a solution but can not find one.

Getting desperate.. anyone?

TIA

LWc

I want write loop for this code:

V := 24;

eq := {Eq2, Eq3};

ans := fsolve(eq, {a1 = 0, a3 = 0});

r := 0;

W1 := rhs(ans[1])*phi11(r)+rhs(ans[2])*phi21(r)

V and W1 is Variable, I change V and solve eq and determinen a1 and a3 after i calculated W1

I want write Loop for this,

can you help me????????/ 

%piecewise(``, x+y-2*z = 1, ``, 2*x+y-3*z = 5, ``, -x+y+z = 1); What does % here do?

I can find no help page to explain the functionality of the percent sign in this command and removing it produces an error. Please explain this.

Mathematica 10.3.0 was announced yesterday. This is the 6th release of Mathematica 10 during 16 months. I wonder its  MathematicaFunctionData and   FindFormula . At first sight, the former is an analog of FunctionAdvisor of Maple, but the latter isn't any analog. Also compare the outputs of

Residue[Binomial[n,k],{n,-j}]

(-1)^j/(j!*k!*(-j-k)!)

 and

>`assuming`([residue(binomial(n, k), n = -j)], [integer, j > 0]);

                residue(binomial(n, k), n = -j)
Let us wait for Maple 2016.

 

Hi

How  can we draw diagrams in tripartite coordinate system?

Hello,

How to Factorize the coefficients of this matrix :

 

> A:=Matrix([[x^3+x-2,x^2+x],[x,x+1]]);

 

factor(A) does not work !

 

Thank you,

Gérard.

Hello,

I have the following list made with dsolve:

num_n := dsolve({c_i1, c_i2, Ecuacion_1, Ecuacion_2}, numeric, method = classical[rk4], {u(x), v(x)}, stepsize = .1);
proc(x_classical) ... end;
for i by .1 to 2 do num_n(i) end do;
[x = 1., u(x) = 1., diff(u(x), x) = 0., v(x) = 0., diff(v(x), x) = 1.]

...

But when i do :

 

u(1);

u(1)

Should be u(1)=1 and not u(1)=u(1).

Regards.

Carmelo.

H := 1/(2*m)*diff(f(q,P,t), q)^2 = -diff(f(q,P,t),t);
assume f = f1(q) + f2(t);
H := 1/(2*m)*diff(f1(q), q)^2 = -diff(f2(t),t);
dsolve(H);

set each side of equation be a constant E which is anticipated integration constant
how to solve to S = q*sqrt(2*m*E) - E*t

and

p = diff(S,q) = sqrt(2*m*E);
Q = diff(S,E) = q*m/sqrt(2*m*E) - t;

There is a desire to explore the process of filtration combustion. To do this, you must solve a system of differential equations in partial derivatives.
I write down all the equations.
Boundary conditions in Maple 2015.0 interpreted incorrectly.
I need to write like that:

 

 

given that:


It turns out so:

 

 

ie somewhere lost derivatives

,....

 

 

As in Maple record boundary conditions correct?

Thanking you in advance.

can maple 18 install in mobile phone Lumia 950?

Hello everyone. 

I can not calculate it here


restart

with(VectorCalculus):

with(plots):

v1 := x^2+y+`-`(sin(z))

x^2+y-sin(z)

(1)

v2 := VectorCalculus:-`+`(VectorCalculus:-`+`(x^2, 1/y), VectorCalculus:-`-`(VectorCalculus:-`*`(2, z)))

x^2+1/y-2*z

(2)

v3 := VectorCalculus:-`+`(VectorCalculus:-`+`(VectorCalculus:-`*`(3, x), y^2), z)

y^2+3*x+z

(3)

vv := VectorField(`<,>`(v1, v2, v3), 'cartesian'[x, y, z])

Vector[column](%id = 18446744074235504150)

(4)

fieldplot3d(vv, x = -1 .. 1, y = -1 .. 1, z = -1 .. 1, arrows = `3-D`, grid = [5, 5, 5], axes = normal)

 

Flux(vv, Sphere(`<,>`(0, 0, 0), r))

Error, (in sprintf) Maple was unable to allocate enough memory to complete this computation.  Please see ?alloc

 

 

``


Probably, the problem with the calculation of surface integrals. I would be grateful for any help.

Download 1.mw

 

Hi all,

I want to know how we can have the result which is made in Maple in Latex in a good style... I must prepare a report of it today, but when I copy the result from Maple to Latex, there're a lot of things to edit, also the results that are obtained from Maple are a lot, so it's very difficult for me to type it in Latex...

Please help me

I have the solution to a heat PDE, v and the error esitmate u + cos(x+t) = v

 

I want to plot log v(1,t) as function of log u(1,t) in maple, but I seem to get an error:

Error, (in plot) unexpected option: ln(u(1, t))

 

I am attaching my code below.

How to fix this problem?

Thanks in advance.

PDE+cos.mw

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