MaplePrimes Questions

What is the correct syntax for: 
java_args= - D entity ExpansionLimit = 1000000?
I get the following error: Invalid option in launch.ini I follow the instructions given in: "There were problems during the loading process. Your worksheet may be incomplete." http://www.maplesoft.com/support/help/view.aspx?sid=26039

Gracias

Dear All,

i am first time using maple for my cryptographic scheme i recently developed. I am wondering if there is any builtin package or library for AES Encryption/Decryption and SHA256 in MAPLE 11.

the "StringTools" can provide md5 hash of the message but i need SHA256 implementation and AES 256 bit encryption/decryption module in Maple.

any suggestions?

 

I was wondering if there is a way to compute the discriminant of a rank r quadratic form in maple? Alternatively, is there a way to diagonalize, via symmetric row and col operations, a symmetric matrix A over Z_p? For instance, modifying RowReduce in LinearAlgebra[Modular]. If I can do this then I can obtain the discriminant. Example: >with(LinearAlgebra[Modular]): >p:=5; >Matrix(4,4,[[0, 1, 1, 4], [1, 0, 1, 0], [1, 1, 0, 1], [4, 0, 1, 0]]); >RowReduce(p,A,4,4,0,0,0,0,0,0,0); # would like a symmetric row and column reduction

Hello.I could use some help to solve the folowing system, please.

Basically I have the 4 unknowns (A,P,C2,alfa)and I want to know their values by changing values to "a2" (eg. varying a2 from [0;80]).

With another software I solved matricially the EQ2;EQ3 and EQ4 for P,A and C2 with different values of a2 and then I replaced the P,C2 solutions (for each a2 value) on the EQ1 and tooked the value of "alfa" for each corresponding "a2". At the final I had the 4 unknows solved varying the "a2" value.

Can I get a box plot on an x-y-z graph?

How do you do this?; actually, for starters, how do you display 2 plots side by side?

Hi

I have a problem with an assumed real variable that are not inserted into equations if it is given an nummeric value. I have tried to make and example below:

> restart;
> with(plottools);
> with(linalg);
>with(plots);
> assume(theta, real);

>A := e^(I*theta)

hi, suppose

integers:=[`$`(-10..10)]; selectremove(`<`,integers,0);

so this separates +ve and -ve. But, if the range of values are complex, how do we separate them based on the +ve and -ve of the real part of the complex number? i.e I want to separate all a +- bi from all -a +- bi.

 

thanks

Hello,

My equation is the following:

Y = 1 - ( sin (2*theta)/ (X+cos(2*theta)))^2

where theta=20 degrees = pi/9  and X= 0..30. How can I numerically calculate Y as a function of X.  And also how can I plot Y(X),

Y(1/X)  and  Y(1/X^2). I like to do these for different theta values (i.e., theta=2*pi/9,  theta= 3*pi/9,,,,,, theta=4*pi/9 ).

Thank you in anvance

Bengu

if i have ten "hz", each displayed with hz[i] was calculated before, then want to make a continues expression and plot it, i use this form and it answered me correcctly. piecewise(x <><><><><><><><><>
OK, so ive solved a pde numerically. I can plot the solution as a graph, evaluate the value at different times, but how can I integrate it over the region it is defined? My goal is this, the weighted average of x:

Can alone explain to me what is happening in this procedure? I know it is it is to generate a line p and an angle theta but don't understand what line and angle or how it does it.

Im having trouble with the DEplot command, i seem never to be able to use the plot commands on maple no matter what i do. Heres what i've got so far. > eq1 := diff(n(t), t)+lambda*n(t) = 0; / d \ |--- n(t)| + lambda n(t) = 0 \ dt / > eq2 := dsolve([subs(lambda = .1, eq1), n(0) = 10]); / 1 \ n(t) = 10 exp|- -- t| \ 10 / > with(DEtools);

In the help, it writes

BesselJ and BesselY are the Bessel functions of the first and second kinds, respectively. They satisfy Bessel's equation:
     2                2    2
    x  y'' + x y' + (x  - v ) y = 0
 

My problem is in statistics. I'm looking for the resulting normalized distribution funtion.

Given a sample has a normal distribution of trait A, and given a subgroup that posseses trait B with a different normal distribution of trait A. Waht would the distribution of trait A be if we eliminate the subgroup that posseses trait B.

The following example that assumes a subgroup of 20% does not yield the proper result.

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