minus-squareSaleh@feddit.orgtoScience Memes@mander.xyz•identity theftlinkfedilinkEnglisharrow-up6arrow-down1·1 day agoYou multiply vectors and matrizes row by column. So for any matrix the fitting identity matrix multiplies each row on the relevant position by one and puts it into a column. The matrix remains the same. See example 5 here: https://www.geeksforgeeks.org/identity-matrix/ linkfedilink
minus-squareSaleh@feddit.orgtoScience Memes@mander.xyz•history rhymes, or somethinglinkfedilinkEnglisharrow-up27·1 day agoThe US always had right wing authoritarians in power. They just prefered to slaughter people abroad. linkfedilink
You multiply vectors and matrizes row by column.
So for any matrix the fitting identity matrix multiplies each row on the relevant position by one and puts it into a column.
The matrix remains the same.
See example 5 here: https://www.geeksforgeeks.org/identity-matrix/