Hello students! My name is Mr. Freeland!
Created on: July 18th, 2006
I want you all to figure out this equation: "Differentiate y = xx", take your time, and remember, LEARN!

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July 18th, 2006
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AMPERSAND POUND EIGHTY-SIX
July 18th, 2006
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Uhhhh...Abraham Lincoln?
July 18th, 2006
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Quite possibly the most random ytmnd ever.
July 18th, 2006
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for some reason that reminds me of azumanga... but anyway can you slow it down?!
July 18th, 2006
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Seems like my image is a bit screwed up. Don't worry, i'll fix this problem so you can all read it correctly!
July 18th, 2006
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OH! OH! POLAND!
July 18th, 2006
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This is a mathematical equation! I'll do a guess the country one soon!
July 18th, 2006
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I am happy to tell you all that I fixed it!
July 18th, 2006
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y = xx i am assuming mean y = x^2 dy/dx = 2x
July 18th, 2006
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y' = 2x
July 18th, 2006
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dy/dx=x+x ?
July 18th, 2006
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y=2x
July 18th, 2006
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y'=1.
July 18th, 2006
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Y'=X^2
July 18th, 2006
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July 18th, 2006
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I'm pretty sure this isn't actually a math question and rather one of Chromosome Biology. In which case the answer is right here: http://anatomylesson.ytmnd.com/
July 18th, 2006
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This is because y=x*x=x^2. From here, y'=2x^(2-1)=2x.
July 18th, 2006
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y=(2x/cos*x^2)
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and also, if thats the case y ≠ xx
July 18th, 2006
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That was a rather inappropriate website with vulgur references! I will be forced to give that site one star! You have one warning, don't get on my bad side Wobbles!
July 18th, 2006
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It was a good movie, though.
July 18th, 2006
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x = 0:.25:1;--- Y = [sin(x); cos(x)];--- xx = 0:.1:1;--- YY = spline(x,Y,xx);--- plot(x,Y(1,:),'o',xx,YY(1,:),'-'); ---hold on;--- plot(x,Y(2,:),'o',xx,YY(2,:),':'); ---hold off;---
July 18th, 2006
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woot algorithms
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Vulgar referances in Kindergarten Cop starring the current Governor of California? IMPOSSIBLE Also, welcome to YTMND
July 18th, 2006
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Thank you for that polite welcome, but a kid at that age should not even know those words!
July 18th, 2006
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who is tha closeist so far?
July 18th, 2006
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Take this, Mr. Freeland! http://mathpwned.ytmnd.com/
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Even Worf finds it amusing, and he's Worf! (see:worflearns.ytmnd) Also, it doesn't make the answer any less true of differentiating between XX and XY displayed development traits.
July 18th, 2006
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i took a wild guess...i haven't had a math class in a couple years...but xx = x^2 so thats how I came to my answer...its probably wrong though
July 18th, 2006
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reasoning: power rule, the limit definition of derivative
July 18th, 2006
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lim ((x+delta x)^2 - x^2)/ delta x delta x -> 0 equals dy/dx = 2x
July 18th, 2006
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Keep trying students!
July 18th, 2006
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who is the closeist?
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dy/dxx=1, xx is a varible name. silly geese
July 18th, 2006
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Freeland, if (y=xx) is the same as (y=x^2) then the derivative of y=xx is (dy/dx)= 2x First semester of first year calculus
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xx=xx, not x^2 or whatever else. If he wanted it to be 2x or x^2 he would have written it that way. I also enjoy the fact that you have one vote (Against Kindergarden cop) and that Discipline is a key word
July 18th, 2006
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dy/dx = 2x!
July 18th, 2006
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Wait, y'=x, as in the constant. Like if y=ax, y'=a, but in this case it's just x. Can I get the prize now? ;-)
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^^That answer doesn't work on account that if one X is a constant, then so is the other. If thats the case then you differentiate to y'=0. But then, x ain't no constant I've ever heard of. And it's pretty clear that 'xx' is a varible on its own, like explained above.
July 18th, 2006
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x is a variable
July 18th, 2006
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YES my students you are learning YOU ARE LEARNING!
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yes x is a variable, but the term (xx) is also a single variable. Granted this really teachs nothing because Freeland is either looking for a specific answer, or just baiting people to post on his page. His lack of direction so far seems to suggest the ladder, but if he's just doing it to make a ytmnd about the comments later, or try and get people to discuss the problem to "educate" us is anyones guess.
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yeaaaah, I don't think he's coming back.
July 19th, 2006
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the awnser is 0. the vector of ordinates for the input data=the vector of values at which to differentiate. for some J, XX(J) does not lie inside the interval[ X(1), X(N) ]
July 19th, 2006
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Solving the polynomial gives n values of z. Plugging those values gives a basis for the solution; any linear combination of these basis functions will satisfy the differential equation. This equation F(z) = 0, is the "characteristic" equation considered later by Monge and Cauchy.
July 19th, 2006
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The method of undetermined coefficients (MoUC), is useful in finding solution for yp. Given the ODE P(D)y = f(x), find another differential operator A(D) such that A(D)f(x) = 0. This operator is called the annihilator, and thus the method of undetermined coefficients is also known as the annihilator method. Applying A(D) to both sides of the ODE gives an homogeneous ODE for which we find a solution basis as before. Then the original nonhomogeneous ODE is used to construct a system of equations restricting
July 19th, 2006
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As explained above, the general solution to a non-homogeneous, linear differential equation y''(x) + p(x)y'(x) + q(x)y(x) = g(x) can be expressed as the sum of the general solution yh(x) to the corresponding homogenous, linear differential equation y''(x) + p(x)y'(x) + q(x)y(x) = 0 and any one solution yp(x) to y''(x) + p(x)y'(x) + q(x)y(x) = g(x).
July 19th, 2006
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July 20th, 2006
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*********circles X***********
July 20th, 2006
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Ok, who wants to know the answer?
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Hit me w/ the answer Mr. F. Either in a seperate ytmnd, or in a pm.
July 21st, 2006
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y = x^2 y'= 2x Did I win?
July 21st, 2006
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dy/dx = 2x
July 21st, 2006
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derivitive of x^2 (xx) is 2x
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Yawn!
July 28th, 2006
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Mr. Freeland has been teaching the same lesson for 10 days now. Which makes me question the purpose of this educational system.
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Maybe it's something like Blues Clues, you know, the same lesson day after day until they get it. Is it like Blues Clues Mr F?
July 28th, 2006
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uhhh ok let's go through all crazy possibilites of what "Differentiate y = xx" could mean... -if y is a function of x and you want its derivative --and if xx means the variable denoted by x times itself then dy/dx=2x --and if xx means the variable denoted by xx, which would be retarded, then dy/dx=1 -if, which i suspect because you put the word differentiate inside the quotes in the description, it is part of the equation, in other words find y(x) given y'(x)=xx ...cont...
July 28th, 2006
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...cont... --and if xx means x squared then y(x)= x*x*x + c where x is an arbitrary constant --and if xx means the variable "xx" then y(x)= xx*xx/2 + c i think my favorite answer is x*x*x + c. in other words, porn. PORN IS THE ANSWER!!!
July 28th, 2006
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^ where c is an arbitrary constant, not x. Now, do i win?
August 2nd, 2006
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This ytmnd is telling of a general sense of teacher apathy.
August 6th, 2006
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August 20th, 2007
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Y=TM-ND times PO+La/nD
November 6th, 2008
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y=x(x) y'=(x)(1)+(x)(1)=x+x y'=2x