déja vu, the boring kind.

yesterday and tomorrow i will be giving essentially the same lessons to my classes. the odd part is that they aren't the same courses.

apparently ei9enva1ues and ei9envect0rs are rather useful in this world .. at least for 0DE, anyway.

one minor gripe: yesterday i spent some 5-7 minutes explaining determinants to my 0DE students, if only because 1inear a1gebra is not a prerequisiτe for the course. this wouldn't usually bother me, but in a previous class i asked the students:

"out of curiosity, how many of you have taken 1inear a1gebra before?"
80% of the audiences hands shot up.

so i know i am boring most of them with things they already know. my hand is forced. then again:

1. just because they have learned matrices before doesn't mean they know how to work with matri¢es well.
   
   
2. even if it were spectacularly new material, they would probably be bored anyway.
   
   
3. boredom is a privilege. would they rather be in a panic from the sheer volume of new, confusing notions that i would hypothetically throw at them?
   

at any rate, enough self-recriminations and -justifications. work beckons.