## Solved Math Problems Videos (In Spanish Only)

by:

This is for Spanish speakers only. Not related to Maple, but related to Math. The Spanish newspaper El Pais has a series of videos on various math problems, together with solutions (posted later), it's set up as a sort of competition but just watching is (usually) great fun. You can access the full archive online.

You probably don't need to know much Spanish to follow the problems. Much is illustrated in writing on a black or white board. If you don't speak any Spanish...

## How can i get a variable time an expression?studen...

My question is very easy I have  and I want   how could I ask this to maple?

In particular my expression is

## HELP please! Maple reports solutions may have been...

gama2 q2 - 2 gama1 XA=0

[-1] q1 + [1 - 2 q1] - C=0

[-1] q2 + [1 - 2 q2] - C + gama2 XA=0

## what is the asymptotic constant of...

I am interested in finding the asymptofic constant (Big O(1/n^(2m+2)) for the following expansion

Upon using the preceding command in the maple i get

Error, (in asympt) unable to compute series

## Mathematical Modelling of a ships lookout in crow'...

hi i am seeking help for a little problem The question is a part of my coursework but it doesnt make sense to me i dont know how to use maple to construct a model can you please help thanks. On board sailing ships or warships, a lookout stood watch in a crows nest high on the main mast. b) Construct a mathematical model to show how far a lookout can see. Clearly indicate any assumptions you make and define any parameters you use in your formula and in the construction of your model. c...

## How do I programming maple to calculate...

I want maple to calculate  with an accuracy of (10)^-200 with Newton Raphsons method. How do I do?

## [Funny Math Art] Guess what's inside?...

The surface in above image is a portion of the graph of
some mathematical equation.

Let's do some brainstorming:
Can you guess what's inside the surface?

## What is Special About the number 275305224 ?...

`as you know the number of solutions for order 3 to 5 magic squares is as follow : (not counting rotations and reflections)`

order 3: 1 solution

order 4: 880 solutions

order 5: 275305224 solutions

higher order: unknown ...

in the first look at 880 , simply appeared it can constructed by
2x5x8x11 (every factor increased by 3)

## Maple problem with A^2+3*A+Delta*I = 0;...

Hello! Anybody can help my to have this problem?

A^2+3*A+Delta*I = 0;

I want calculate 'a' and 'b' whit 'x' and 'y', and it's my code:

++++++++++++++++

But this is wrong, but I dont know...

Thank you!!!!

(sorry for my English)

## integrals in Maple...

int(sqrt(1 + sec(x)^2), x)

int(sqrt(2 + tan(x)^2), x)

With Maple 13, which is the latest version on the computer on which I tested these integrals (that originated with a

senior scientist in Australia), the former yields a reasonably compact answer, but the latter yields an extensive

output containing Elliptic functions of various kinds.  The two integrands are trigonometric identities.  What is the

problem here?

...

## Arnold's problem...

Here is one of the problems from "Mathematical Trivium"  (Russian Mathematical Surveys, 1991, 46:1, 271-278) by V. Arnold. Those problems are aimed at the strong graduate and postgraduate students of the top universities.
I find it remarkable that a big part of the Arnold's problems can be solved with Maple.

Problem...

## MRB constant N part 2

Maple

I will use this post for a list of conclusions drawn from MRB constant N and the many similar approximations that I have found.

Let x= MRB Constant.   Each approximation is followed by a maple input so you can verify these approximations.

I want one of a sequence of questions to not show it answer. The other questions need to show their answers, but this one

cannot. I could make a separate assignment for this question but that seems rather painful. I use latex => .qu so the

solutions that don't require touching the editor is a plus.

## Is there a way to do a substitution in 2-D Math fo...

I'm doing some algebra with transfer functions, which are often written in LaPlace Transform notation, e.g. f(s) = 1/s.  One often wants to find the "gain and phase" of such, which is easy to do using the following steps:

1) Substitute "i omega" (imaginary unit, omega = frequency in radians) for s.

2) Express the complex quantity in polar (rho, phi) notation -- rho = amplitude, phi = argument (Phase).

So here's my question -- if I am developing...