fossilesque@lemmy.dbzer0.comM to Science Memes@mander.xyzEnglish · 10 months agoidentity theftlemmy.dbzer0.comimagemessage-square12fedilinkarrow-up1563arrow-down111
arrow-up1552arrow-down1imageidentity theftlemmy.dbzer0.comfossilesque@lemmy.dbzer0.comM to Science Memes@mander.xyzEnglish · 10 months agomessage-square12fedilink
minus-squareneidu3@sh.itjust.workslinkfedilinkEnglisharrow-up39·edit-210 months agoCould one of you scholars please explain the joke for us smoothbrains who don’t get it? All I see is a boolean matrix, and I’m not even sure that is correct.
minus-squarezqwzzle@lemmy.calinkfedilinkEnglisharrow-up69·10 months agoA square matrix with the ones in the diagonal is called the identity matrix
minus-squarelugal@lemmy.dbzer0.comlinkfedilinkEnglisharrow-up40·10 months agoIt’s an identity matrix. You multiple a vector with it and the result is still the same (identical) vector
minus-squareGustephan@lemmy.worldlinkfedilinkEnglisharrow-up13·10 months agoEigen see how this is confusing, I don’t get it either
minus-squareryedaft@sh.itjust.workslinkfedilinkEnglisharrow-up2·10 months agoIt’s like if you multiply or divide by one. Just a bit bigger cuz linear algebra.
Could one of you scholars please explain the joke for us smoothbrains who don’t get it? All I see is a boolean matrix, and I’m not even sure that is correct.
A square matrix with the ones in the diagonal is called the identity matrix
It’s an identity matrix. You multiple a vector with it and the result is still the same (identical) vector
Eigen see how this is confusing, I don’t get it either
It’s like if you multiply or divide by one. Just a bit bigger cuz linear algebra.