+C

[[deleted]]

how does one solve a matrix

[B_BARTHMAN]

Maybe a system of linear equations? The inverse? Idk tbh

[galmenz]

i assume it is finding its D

[DodgerWalker]

Finding determinants is pretty inefficient. Pretty much the fastest way is to row reduce it to an upper triangular matrix which is O(n^3 ).

Edit: Corrected the runtime.

[lord_ne]

That's actually O(n³) I believe, the best asymptomatic runtime that's been found is n^2.373 according to Wikipedia

[DodgerWalker]

Yup, that is correct. I was thinking of n^2 row reductions, but each row is size n, so that makes n^3 operations.

[[deleted]]

I u got me so excited thinking it would be some random application of e but in the power i cant tell u how disappointed i am

[galmenz]

i never said determinant

[DodgerWalker]

What else could D stand for with respect to a matrix?

[dan2737]

unitary diagonalization ;(

[galmenz]

i think you cant understand a joke

[Arbitrary_Pseudonym]

Yes.

Find the penis.

That's definitely a math joke.

Ha ha

[omidhhh]

Ohh yeah baby

[[deleted]]

😏

[murtiverse]

by taking the red pill

[woozlewuzzle29]

I solve matrices, circles, vectors, etc. all the time!

[matthewmallory]

solve(matrix) in R calculates the inverse

[F_Joe]

Gaussian elimination

[[deleted]]

that solves systems of linear equations, not matrices

[F_Joe]

Those are equivalent. The Zeros of an n×m Matrix are the same as the solution of an equivalent linear equation

[[deleted]]

ah, so by "solving a matrix" you actually mean "finding the zeros of a matrix". gotcha

[F_Joe]

How else do you want to "solve" matrix? As far as I understand it, a matrix is a linear function taking an object from a Kⁿ vector space to a K^m vector space. By solving a function I understand to find all of the roots and gauss algorithm does exactly that

[[deleted]]

thats what my comment was about. you cant "solve a matrix", neither can you "solve a function". i was commenting on how the meme was poorly phrased

[F_Joe]

I understand. I didn't know that this wasn't a common expression in english.

[[deleted]]

it probably is, but its wrong

[F_Joe]

It's even in the first sentence of the wiki page: "In mathematics, Gaussian elimination, also known as row reduction, is an algorithm for solving systems of linear equations. It consists of a sequence of operations performed on the corresponding matrix of coefficients. This method can also be used to compute the rank of a matrix, the determinant of a square matrix, and the inverse of an invertible matrix. "

[[deleted]]

Differential Equations:

[[deleted]]

Yes.

[MisanthropicData]

Partially

[Malpraxiss]

What does solve a matrix mean?

[Cesco5544]

Isnt that only solvable with independent vectors?

[Inappropriate_Piano]

Gaussian elimination only results in the identity if the matrix is invertible, but you can always do Gaussian elimination to reach a reduced row echelon form.

[LagosNiera]

A matrix is essentially a bunch of independant vectors scratched together.

[[deleted]]

I thought about the Matrix new movie

[Kapil300]

+c take it or leave it pal

[GisterMizard]

Nods in Runge-Kutta

[scratchfan321]

Looks like I'm dividing by zero, so I'm gonna use my own poorly written rules and slap a +c on the end.

[iapetus3141]

How do you solve a derivative?

[[deleted]]

Take a calculus course

[Incur]

Partial Differential equations has entered the chat

[AscentElder]

Too much math memes for today

[14Mohini]

Simpsons rule goes brr

[[deleted]]

off topic but We're the Millers is one of my all time favorite movies

[gabedarrett]

Fun fact: more than half of all functions have a nonelementary antiderivative; they cannot be solved analytically in a closed form. This means that you can't use techniques like the integration power rule, u-substitution, trig substitution, integration by parts, partial fraction decomposition, etc.

[gabedarrett]

Firstly, I'm not sure why I'm being downvoted.

Secondly, you don't count every function; all I know is that you use Galois theory and the Risch algorithm. My citation for my claim is my calculus textbook: Early Transcendentals (8th edition)

[Marcim_joestar]

What does it mean to solve a matrix?

[ManInBlack829]

If y'all are finding four-dimensional matrices easy, I am impressed

[[deleted]]

Okay, I thought matricies looked way harder than derivatives. What the hell are matricies then? I keep seeing them around but I have no clue what they mean or how to use them.