E := proc (phi) options operator, arrow; int(1/(1-(1-1/kappa^2)*sin(phi)^2)^(1/2), phi = 0 .. phi) end proc

E(pi/2)

Is there a way to get this function to work properly without having to simplify the integral manually ?

kappa is a constant (with a value of 12.4)

Thanks in advance!

Hi,

I'm trying to creat u which is a function of ξ. but I do not have the full definition of u yet. how can i write it in a way where when i differentiate it, it'll give me something like u(ξ),_{ξ}? And that i can differentiate it once more with ξ and it gives me u(ξ),_{ξξ} and so on?

please advice. Thanks.

Given:

f:=proc(a) x->modp(a*x,256); end proc:

Determine for which values of a in Z[256] the functions f(a) are onto.

I know that I need to use evalb to check if the image and coDomain are the same. I just cannot get it to work.

Given Maple expressions f(g,x) and g(x) how would you replace g in f to show a function in x.

Hi. I have a question that concerns indices of vector of functions within for-loop.

I have a following piece of code:

Hi, I'm trying to visualize a 3-Dimensional function, the color being the 4th dimension. All the examples that I have found of the so called plot3d function only involve 2D functions, the third dimension really being the return value of the function. I need more: I have a 3D function which takes in (x,y,z) if you like, and outputs one number. I'd like to visualize this function in maple.

Thanks, ~Austen

Hi all, I found that the expression:

(2x+7)/5+(6x-3)/3

automatically simplifies to

Is there a function that will return

which is one fraction, instead?

still have problems,1.restart:f := proc (x) options operator, arrow; piecewise(0 <= x and x < 4, 50, 4 <= x and x < 5, 0, 5 <= x, f(x-5)) end proc;

plot(proc (t) options operator, arrow; evalf(Int(f, 0 .. t, epsilon = 0.1e-3, digits = 15)) end proc, 0 .. 20);

in the above figure,there is a discont point in the interval [16..18],but in fact,it's a continuous curve.

2.how to use fsolve deal with two periodic functions?

How does this function work:

rtable_scanblock( M, [rtable_dims(M)],

(val,ind,res) -> `if`(val > res[2],[ind,val],res),

[[1,1],-infinity]);

Please could comment on each statement.

Taken from http://www.mapleprimes.com/questions/131889-Finding-A-Max-In-A-3d-Plot#comment131997

Gracias

I am trying to compute the diffusion coefficient from the diffusion equation. I can compute the analytical solution and evaluate it for the parameters I know and for the known time t to get this function:

f:=x->646.0548255+(309.8026777+568.8289152*I)*((.8781989023+.4782956073*I)*ln(1.+(-.8781989023+I*((-1)*.4782956073))*exp(10000000*((-1)*9.013850411)*Dif+(61.46924721*I)*x))+(.8781989023+.4782956073*I)*ln(1.+(-.8781989023+I*((-1)*.4782956073...

I have a function

f:=x->(x^2 + 2*m*x + m + 1)/(x -1);

Now I want to define a function as simplify(diff(f(x),x)), i did

g:=x->simplify(diff(f(x),x)). Then, i could not calculate g(3). Please help me. Thank you.

http://aw.twi.tudelft.nl/~koekoek/askey/ch3/par28/par28.html

Which function represent phi in 3.28.1

Hello,

I have a question. I need to rewrite the following function

Vo:= (1/((1/R2+1/(1.5*10^6))*(1/(1/R2+1/(1.5*10^6))+2.45*10^3-R2)));

To this form

R2:= ....Vo....

How can i do this in maple?

Please write for me a code for the following problem.

Problem. Find all the values of m for which the function

f(x)= (x^2 + 2*m*x + m+2)/(3*x+m)

is increasing in each interval (-infty; -m/3) and (-m/3; + infty)?

Thank you.

I have a non linear Sharpe ratio with 3 portfolio weights w1,w2 and w2. I want to (globally) maximize the sharpe ratio by choosing w1,w2 and w2 subject to the constraints that each of the variables is in the range of 0 to 1, and that their summation is equal to 1. I also want the maximization to start at an initial point of [w1=0.35,w2=0.6,w3=0.05].

The function is:

SR:= (0.012w1+0.007w2+0.0384w3-0.009)/(stdev)

where stdev is the standard deviation of the portfolio ...

You must be logged into your Facebook account in order to share via Facebook.

Click the button below to share this on Google+. A new window will open.

You must be logged in to your Twitter account in order to share. Click the button below to login (a new window will open.)

Please log-in to your MaplePrimes account.

Wrong Email/Password. Please try again.