hi guys,
I'm solving a pretty complex problem: calculating a trajectory of a charged particle in a custom magnetic field. I arrive to the point where this very nice equation system blocks my way :P
...
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I'm trying to implement and extend the work of Emmanuel Prados (http://www-sop.inria.fr/odyssee/rese...04b/thesis.htm [http://www-sop.inria.fr/odyssee/research/prados-faugeras:04b/thesis.htm]>). I'm t...
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I'm having trouble understanding this word problem.
A construction worker drops a bolt while woring on a high-rise building 320m above the ground. After t seconds, the bolt has fallen a distance of...
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I have 2 questions:
FIRST
I read from John H. Mathews’ Numerical Methods using MATLAB, 3E that the number
1563 can be expanded in form of 10-base expansion as:
(1 × 10LaTeX Source CodeThe fol...
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Hello. I have an upcoming exam for my math course and I am aware that much of it will revolve around Epsilon-Delta proofs. My understanding of them is good enough to prove most limits, but I would be ...
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1. The problem statement, all variables and given/known data
Prove a theorem using direct proof, mathematical induction, contraposition, or contradiction.
2. Relevant equations
"If m div...
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So basically, I want to write a general formula for this:
(3,0)
(4,1)
(5,2)
-->meaning that whenver you increase x by 1, x also increases by 1 starting with (0,0)( iguess...).
This is ...
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I'm not sure if this is considered pre- or post-calculus (I am doing it for a calculus course, but I doubt it involves actual calculus) but I'll go ahead and post here.
1. The problem statement, al...
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I'm having a little difficulty understanding Epsilon in the definition of convergence. From what the book says it is any small real number greater than zero (as small as you can imagine???). Also, sin...
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Center of a Sphere in R^3
I need to find the center and radius of a sphere given the equation:
LaTeX Source CodeThe following code was used to generate this LaTeX image:[tex] x^2 - 4x + y^2 + z^...
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How big is Infinity ?
like eletron is considered the samllest thing ever, wouldnt that be the lowest value of negative inifinty in teh size of things
but overall how big or small is infinity ?...
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1. The problem statement, all variables and given/known data
I really need help on these problems. If anyone can show me how to solve these problems, your help would be greatly appreciated. Thanks
...
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1. The problem statement, all variables and given/known data
limit as x approaches 0 for sinx/4x
2. Relevant equations
ok....what i know is that sinx/x=1 so by that simple statement the answe...
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There are in fact many "information theories".
Broadly speaking all of these actually define a notion of "information" in terms of a notion of "entropy". In fact, fro...
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The point P(1,51) lies on the curve y=46 x2+5.
(a) If Q is the point (x,46 x2+5), use your calculator to find the slope of the secant line PQ (correct to six decimal places) for the following value...
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1. The problem statement, all variables and given/known data
y=2x(1-x)^2
2. Relevant equations
3. The attempt at a solution
y=2x(1-x)^2
y`=-x
-----------------
(1-x)^1/2
I tho...
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1. The problem statement, all variables and given/known data
u1 = (1,0,-1)
u2 = (1,1,1)
u3 = (3,1,-1)
Determine whether the vectors span R^3.
2. Relevant equations
3. The attempt at a ...
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1. The problem statement, all variables and given/known data
Determine all infinitely differentiable real functions f(x) that satisfy f''(x)=-f(x) and f(2x)=2f(x)f'(x) for all real x. How do you k...
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1. The problem statement, all variables and given/known data
Given that Q=Pa^t and Q doubles between t and t+d, prove that d is the same for all t.
2. Relevant equations
Q=pa^t
3. The att...
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I just did a problem that made use of the power rule. Here is the final step:
(1-2x)
-------------
-(x-x^2)^5/4
=
(2x-1)
-------------
-(x-x^2)^5/4
Why did 1-2x become 2x-1 (2x-1 is ...
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Can someone give me an intuitive definition for differentials? My prof said to brush up on them because we'll be seeing them lots in thermo. I don't need all the theory because I'll be seeing them i...
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Can anyone give a user-friendly explanation?
http://en.wikipedia.org/wiki/Negativ...ion#Properties [http://en.wikipedia.org/wiki/Negative_binomial_distribution#Properties]>
We see that the binom...
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1. The problem statement, all variables and given/known data
When the concentration of salt in a lake is greater than three percent by weight, the lake is a salt lake.
Find the percent of salt b...
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I know how to do differential equations and a plot a phase plane with pplane7. But I have no clue how to do the same for pde's.
Is it similar or not at all?...
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1. The problem statement, all variables and given/known data
Show that LaTeX Source CodeThe following code was used to generate this LaTeX image:[tex]\\left[\\neg\\,p\\,\\wedge\\,\\left(p\\,\\vee\\...
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