Equation(s) you believe have had much influence. (3 Viewers)

[Uncle]

The standard normal density function (i.e. equation of the normal curve with mean 0 and variance 1)



It's usefulness across every scientific discipline which involves data collection is self explanatory.

omg yer that explains the shit marking by some faculties

It was the first equation that i learnt and i still use it

its also carpenter maths

 

[LordPc]

Bayes' Theorem



Where P(A|B) is the probability of A, given that B is true

In the last week, I've learnt about this theorem in 2 separate courses (math and phil) and after that, by coincidence, I learnt that it has relavence to my 2 other courses (computing and psych). so I think it is fair to say that this is a very far reaching mathematical equation

 

[Aquawhite]

Catching a Pokemon



Note: Catch rate is what type of ball, status is such psn, frzn etc.

And if you don't believe me: Serebii.net Games - Capturing Pok�mon < and this one is real ^_^

...now off to get that stupid wild metapod >_<

 

[Studentleader]

Catching a Pokemon



Note: Catch rate is what type of ball, status is such psn, frzn etc.

And if you don't believe me: Serebii.net Games - Capturing Pok�mon < and this one is real ^_^

...now off to get that stupid wild metapod >_<

Haha! Reminds me of my books full of runescape mathematics - I used this equation a bit:

 

[gurmies]

Bayes' Theorem



Where P(A|B) is the probability of A, given that B is true

In the last week, I've learnt about this theorem in 2 separate courses (math and phil) and after that, by coincidence, I learnt that it has relavence to my 2 other courses (computing and psych). so I think it is fair to say that this is a very far reaching mathematical equation

Beat me to this one. I just learnt about this last week myself, trying to comprehend monty hall type problems

 

[Aquawhite]

Haha! Reminds me of my books full of runescape mathematics - I used this equation a bit:

You seriously were that serious about runescape you made formulae? That is slightly one of the sadest things I have ever heard... the game developers are for this and they are sad excuses for maths and life. XD lol

Mine was a joke.

 

[Uncle]

enough of these fucking game formulas.

runescape is a fucking gayass game made for speds,
RuneScape - Encyclopedia Dramatica

fuck off with runescape and any role play game.


even though i hate probability, at least bayes theorem is worth mentioning.

 

[jb_nc]

Conservation of mass

Conservation of energy

Fick's law

Fourier's law

DID YOU KNOW: Bernoulli's equation is a special application of the energy balance on a fluid.

 

[jet]

No one's mentioned this yet.

 

[Aquawhite]

No one's mentioned this yet.

Do explain what this is.

 

[cyclicpermutate]

Do explain what this is.

This is one of the most prolific equations of the 20th century. It is the Einstein field equation.

 

[Tastegud]

Cubic formula. If we learn it for the HSC we can find the 3 roots to a cubic equation easily!!
Cbf to post Quartic one coz it's too large and it was the Cubic which found the Quartic anyway.

 

[jet]

Do explain what this is.

The Einstein Field Equations for general relativity. The LHS describes the curvature of space and the right hand side basically describes matter (in a very abstract form - it actually refers to stress and energy).

In short, it's Einstein's description of the cause of gravity.

 

[LordPc]

Cubic formula. If we learn it for the HSC we can find the 3 roots to a cubic equation easily!!
Cbf to post Quartic one coz it's too large and it was the Cubic which found the Quartic anyway.

why would you memorise all that?

i cannot think of a plausible situation where you couldnt just look the formula up on the net and therefore would need to know that formula off the top of your head

 

[untouchablecuz]

No one's mentioned this yet.

how does one arrive @ this equation?

 

[cyclicpermutate]

how does one arrive @ this equation?

To find out just grab the nearest "General Relativity" book and read it. But you would first have to read up on tensor calculus, geodesics, manifolds, and a little topology just to get a basic understanding of the derivation of this formula.

 

[jet]

To find out just grab the nearest "General Relativity" book and read it. But you would first have to read up on tensor calculus, geodesics, manifolds, and a little topology just to get a basic understanding of the derivation of this formula.

Yup. In cosmology we don't cover the maths because they can only assume we've done stage 5.1 maths. Our textbook explained it in a paragraph, which wasn't very enlightening.

 

[Aquawhite]

interesting...

 

[gurmies]

Cubic formula. If we learn it for the HSC we can find the 3 roots to a cubic equation easily!!
Cbf to post Quartic one coz it's too large and it was the Cubic which found the Quartic anyway.

Ahh, Cardano. Interesting to note that no formula exists to find solutions to equations of a order higher than 4.

 

[shcottydont]

i know its basic but i like: the whole differentiation of f(x), f'(x) and so on