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/sci/ - Science & Math

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>> No.12056157 [View]
File: 50 KB, 791x538, Matris.png [View same] [iqdb] [saucenao] [google]
12056157

Fuck matrices

All my homies hate matrices

>> No.11301760 [View]
File: 50 KB, 791x538, Matris.png [View same] [iqdb] [saucenao] [google]
11301760

Being A and B n*n matrices, such that AB=BA+A, show that A is not invertible. And the proof shall be done by contradiction and using the properties of the trace of matrices to prove it. I got tr(AB)=tr(BA+A)
tr(AB)=tr(BA)+tr(A)
tr(AB)=tr(AB)+tr(A)
tr(A)=0
what can I conclude from this that will help me though?

>> No.10901071 [View]
File: 50 KB, 791x538, Matris[1].png [View same] [iqdb] [saucenao] [google]
10901071

okay /sci, could you explain to a fellow brainlet what the fuck is truly a matrix? I am doing a course on algebra and we learn the basic operations about matrices, as well as determinants and etc. But unlike in common algebra where one instictively understands numbers as entities, I don't really get matrices. Could someone explain this to me?

>> No.10901057 [View]
File: 50 KB, 791x538, Matris[1].png [View same] [iqdb] [saucenao] [google]
10901057

okay /sci, could you explain to a fellow brainlet what the fuck is truly a matrix? I am doing a course on algebra and we learn the basic operations about matrices, as well as determinants and etc. But unlike in common algebra where one instictively understands numbers as entities, I don't really get matrices. Could someone explain this to me?

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