Question

If anyone has a linear algebra question feel free to post here ^.^ (I should be able to answer)

Answer 1

I've got a challenge then. Show that the trace of an nxn matrix is equal to the sum of the eigenvalues.

Answer 2

Here, find the determinant of this matrix:
\[
\left[
\begin{matrix}
1 & 5 & 3 & 2 & 6 & 4\\
9 & 3 & -3 & 7 & 1 & 0\\
-3 & 16 & 1 & 10 & -6 & 2\\
5&-9&8&17&-2&4\\
19&-8&0&1&-1&5\\
6&-8&-7&-4&8&1
\end{matrix}
\right]
\]

Answer 3

Just kidding, don't really do that.

Answer 4

lol nbouscal i'ma try that one

Answer 5

^ lol

Answer 6

let the massacre begin >:)) lol

Answer 7

lol

Answer 8

we didn't go over trace in my class :/

Answer 9

i know what it is tho

Answer 10

-1961918

Answer 11

thats very interesting

Answer 12

@nbouscal just made me laugh loll with that determinant haha