Mistakes

[HallsofIvy]

That was a misprint. He meant \(\displaystyle A^2B^2\). The point is \(\displaystyle (AB)^2= ABAB\) is NOT equal to \(\displaystyle A^2B^2\) because matrix multiplication is not, generally, "commutative". For most matrices BA is not equal to AB.

 

[Deleted member 4993]

That was a misprint. He meant \(\displaystyle A^2B^2\). The point is \(\displaystyle (AB)^2= ABAB\) is NOT equal to \(\displaystyle A^2B^2\) because matrix multiplication is not, generally, "commutative". For most matrices BA is not equal to AB.

I knew that - but sending Jomo to the corner is spice of my existence..........

 

[Steven G]

you say:

(AB)²= ABAB and if this equals A²B^B ....................... why should you have B^B

You culod hvae silpmy fiexd it for me.

 

[Deleted member 4993]

You culod hvae silpmy fiexd it for me.

But then you will get to camplain abut mi spacael preveeleje ....... aboose of power .... and all such things......

 

[Steven G]

But then you will get to camplain abut mi spacael preveeleje ....... aboose of power .... and all such things......

I thought that you knew that you can't ever win with me.

 

[Deleted member 4993]

I thought that you knew that you can't ever win with me.

I win "with" you always - you are a great fighter.

However, winning "against" you is becoming easier. Your eyesight is getting weaker - sitting in that dark corner.......

 

[firemath]

I win "with" you always - you are a great fighter.

However, winning "against" you is becoming easier. Your eyesight is getting weaker - sitting in that dark corner.......

With the darned spider.....