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atomic7732

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Math XP
« on: February 08, 2010, 05:47:31 PM »
Tell me what you are doing in math. Espacially homework.


AHHHHHHHHHHH!!!! POLYNOMIALS!!E@EWJFDAJS

deoxy99

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Re: Math XP
« Reply #1 on: February 08, 2010, 07:28:05 PM »
I am doing Customary Measurement.

atomic7732

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Re: Math XP
« Reply #2 on: February 08, 2010, 08:06:36 PM »
I am doing Customary Measurement.

One word.


Licky!!!!!!!!!!!!!!!!!!!

Naru523

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Re: Math XP
« Reply #3 on: February 08, 2010, 08:28:04 PM »
Adding and Subtracting Unlike Denominators. Already did that in my old school :P (I transferred schools)

FGFG

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Re: Math XP
« Reply #4 on: February 09, 2010, 06:05:44 AM »
Just started trigonometry.

Bla

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Re: Math XP
« Reply #5 on: November 01, 2013, 01:29:24 PM »
Kol, those moments when equations go boom and then end up simplifying to something really simple are just amazing.
(This is from special relativity physics and not math though, in math we currently analyze functions of multiple variables)
MasteringPhysics is such a nice way to make physics assignments.

Some weeks ago in math, asdf so much differentiaception
« Last Edit: November 01, 2013, 01:35:18 PM by Bla »

blotz

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Re: Math XP
« Reply #6 on: November 01, 2013, 02:03:55 PM »
when you see more letters than numbers in math, it's starting to get hard

atomic7732

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Re: Math XP
« Reply #7 on: November 01, 2013, 03:33:10 PM »
or it could be a general formula

Darvince

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Re: Math XP
« Reply #8 on: November 03, 2013, 06:44:31 PM »
not so much "hard" as more advanced
for some reason schools make a massive jump from no letters at all to letters in every problem, and i find that ridiculous

atomic7732

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Re: Math XP
« Reply #9 on: November 03, 2013, 07:05:44 PM »
multi-variable is must more useful

Bla

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Re: Math XP
« Reply #10 on: November 03, 2013, 10:41:37 PM »
Writing 3.00 * 108 m/s2 in place of c in every problem would take a lot of space and time, and when you just write c you can insert the number of decimals that is used in the rest of the problem. Gamma can have very different values for different problems and if you start out by calculating it that will also take a lot of space, and if you then have to calculate more things you'll round numbers multiple times and the result will probably get inaccurate in the end, plus you probably lose the understanding of where the numbers come from later in the problem. Best to use letters until you can use one single calculation to get the result.

vh

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Re: Math XP
« Reply #11 on: November 04, 2013, 04:24:26 AM »
sometimes i just write b for bla.

blotz

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Re: Math XP
« Reply #12 on: November 04, 2013, 04:53:25 AM »
ok b

Darvince

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Re: Math XP
« Reply #13 on: November 04, 2013, 09:05:26 AM »
sometimes i just write g for 9.8m/s^2

atomic7732

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Re: Math XP
« Reply #14 on: November 04, 2013, 11:23:25 AM »
but g is 6.67e-11 m^3 kg^-1 s^-2

wait no that's G

Bla

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Re: Math XP
« Reply #15 on: November 04, 2013, 11:40:15 AM »
That's the most ridiculous constant ever since the Marx-Lenin beard length ratio!

tuto99

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Re: Math XP
« Reply #16 on: November 04, 2013, 03:27:15 PM »
not so much "hard" as more advanced
for some reason schools make a massive jump from no letters at all to letters in every problem, and i find that ridiculous
You're wrong Darvince.... Totally wrong.

FiahOwl

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Re: Math XP
« Reply #17 on: November 04, 2013, 03:35:07 PM »

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« Last Edit: March 22, 2021, 01:28:52 AM by FiahOwl »

blotz

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Re: Math XP
« Reply #18 on: November 04, 2013, 05:12:58 PM »
12-16 so much work i don't have time to see if i'm doing letters or numbers

Darvince

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Re: Math XP
« Reply #19 on: November 06, 2013, 08:32:08 AM »
til calculus and quantum mechanics have so many letters they become numbers

blotz

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Re: Math XP
« Reply #20 on: November 07, 2013, 09:48:30 AM »
sucks when you have to do a problem again and it takes like 15 mintues

Bla

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Re: Math XP
« Reply #21 on: January 07, 2014, 08:56:17 AM »
Notes from analysis of torque on rod pivoted through center with spring attached to one of its ends
« Last Edit: January 07, 2014, 09:11:12 AM by Bla »

Darvince

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Re: Math XP
« Reply #22 on: January 07, 2014, 09:00:41 AM »
kthl

blotz

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Re: Math XP
« Reply #23 on: January 07, 2014, 04:50:40 PM »
blacraft!

blotz

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Re: Math XP
« Reply #24 on: January 08, 2014, 05:18:35 PM »
hey fiah i heard about this on the loud speakers on my school kolokov

Bla

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Re: Math XP
« Reply #25 on: January 11, 2014, 06:37:52 PM »
A fun joke from my linear algebra lecturer:

An engineer, a physicist and a mathematician stay at a hotel overnight. For some reason, the paper in the paper bin in the engineer's room sponetaneously combusts. He wakes up, takes a water can, fills it with water and puts out the fire.
Later the same night, the physicist's paper bin spontaneously combusts. He wakes up, sits down at his desk and calculates how much water is necessary to put out the fire, taking into account that the fire has spread in the meantime, fills the water can with the necessary amount of water, puts out the fire and goes back to sleep.
Even later, the mathematician's paper bin spontaneously combusts. He wakes up, calculates how much water is necessary to put out the fire, then goes back to sleep, because the problem was now solved.

vh

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Re: Math XP
« Reply #26 on: January 11, 2014, 09:06:59 PM »
found this a while ago

Code: [Select]
Problem: To Catch a Lion in the Sahara Desert.

1. Mathematical Methods

1.1 The Hilbert (axiomatic) method

We place a locked cage onto a given point in the desert.  After that
we introduce the following logical system:
   Axiom 1: The set of lions in the Sahara is not empty.
   Axiom 2: If there exists a lion in the Sahara, then there exists a
   lion in the cage.
   Procedure: If P is a theorem, and if the following is holds:
     "P implies Q", then Q is a theorem.
   Theorem 1: There exists a lion in the cage.

1.2 The geometrical inversion method

We place a spherical cage in the desert, enter it and lock it from
inside.  We then performe an inversion with respect to the cage. Then
the lion is inside the cage, and we are outside.

1.3 The projective geometry method

Without loss of generality, we can view the desert as a plane surface.
We project the surface onto a line and afterwards the line onto an
interiour point of the cage. Thereby the lion is mapped onto that same
point.

1.4 The Bolzano-Weierstrass method

Divide the desert by a line running from north to south. The lion is
then either in the eastern or in the western part. Let's assume it is
in the eastern part. Divide this part by a line running from east to
west. The lion is either in the northern or in the southern part.
Let's assume it is in the northern part. We can continue this process
arbitrarily and thereby constructing with each step an increasingly
narrow fence around the selected area. The diameter of the chosen
partitions converges to zero so that the lion is caged into a fence of
arbitrarily small diameter.

1.5 The set theoretical method

We observe that the desert is a separable space.  It therefore
contains an enumerable dense set of points which constitutes a
sequence with the lion as its limit. We silently approach the lion in
this sequence, carrying the proper equipment with us.

1.6 The Peano method

In the usual way construct a curve containing every point in the
desert. It has been proven [1] that such a curve can be traversed in
arbitrarily short time.  Now we traverse the curve, carrying a spear,
in a time less than what it takes the lion to move a distance equal to
its own length.

1.7 A topological method

We observe that the lion possesses the topological gender of a torus.
We embed the desert in a four dimensional space.  Then it is possible
to apply a deformation [2] of such a kind that the lion when returning
to the three dimensional space is all tied up in itself. It is then
completely helpless.

1.8 The Cauchy method

We examine a lion-valued function f(z). Be \zeta the cage. Consider
the integral

  1    [   f(z)
------- I --------- dz
2 \pi i ] z - \zeta

       C

where C represents the boundary of the desert. Its value is f(zeta),
i.e. there is a lion in the cage [3].

1.9 The Wiener-Tauber method

We obtain a tame lion, L_0, from the class L(-\infinity,\infinity),
whose fourier transform vanishes nowhere.  We put this lion somewhere
in the desert.  L_0 then converges toward our cage.  According to the
general Wiener-Tauner theorem [4] every other lion L will converge
toward the same cage.  (Alternatively we can approximate L arbitrarily
close by translating L_0 through the desert [5].)

i must say that is a nice looking ascii integral symbol if i've ever seen one

FiahOwl

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Re: Math XP
« Reply #27 on: April 06, 2014, 03:55:17 PM »

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« Last Edit: March 22, 2021, 12:58:23 AM by FiahOwl »

vh

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Re: Math XP
« Reply #28 on: April 06, 2014, 04:04:32 PM »
>drawn in brackets

what have you done

Bla

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Re: Math XP
« Reply #29 on: April 06, 2014, 04:17:42 PM »