Logo

CS150 S21 - Shared screen with speaker view
Justin Wang
00:14
Hi professor
Erik Kanamori
00:17
hello
Najmeh Arani
00:18
Hello
Justin Wang
00:24
or hi erik
Justin Wang
00:28
oh*
Harris Shepard
00:35
hello
Terrence Wu
00:53
do we have office hour after todays class?
Najmeh Arani
01:14
My desktop looks like that at the end of each quarter!
Marco Baez
01:38
anybody else having trouble with 4.d ?
Justin Wang
02:35
there is an explanation of 4d in the discussion video @marco
Marco Baez
02:54
oh really? thank you !
Justin Wang
03:10
its not a full explanation but it gives an idea of how to approach it
Najmeh Arani
30:31
Why the first state has both q0 and q1 again?
Taylor Fix
31:40
We start in q0, but can use the epsilon to go to q1 before getting any input, so the subset containing both {q0,q1} is the DFA's start state
Najmeh Arani
31:59
oh tnx
Matthew Hunt
32:14
you mean q2?
Westin Montano
32:18
^
Justin Wang
32:18
q2
Matthew Hunt
34:15
when you eclose it do you just add a new state?
Garrett Geesink
35:43
does ε mean the Empty String in this example?
Justin Wang
38:24
it always does
Justin Wang
38:32
its diff from phi, the empty set
Matthew Hunt
43:11
what does CST stand for again?
Jimmy Im
53:02
empty?
Matthew Hunt
53:14
phi
Justin Wang
53:15
epsilon?
Harris Shepard
53:20
empty set
Alec Asatoorian
53:42
Didnt we deal with that in our homework?
Justin Wang
53:54
epsilon
Justin Wang
54:07
only for 0
Justin Wang
54:36
epsilon
Hsiang Yin Hsieh
54:46
epsilon
Justin Wang
54:51
lets go
Matthew Hunt
55:22
* is epsilon because it has the power 0 in it?
Justin Wang
56:09
divisible by 2 or 3
Justin Wang
56:09
?
Bilal Shafi
56:11
0^x, x >= 2
Justin Wang
56:13
number of digits
Najmeh Arani
57:55
Can you explain epsilon^i one more time
Justin Wang
58:03
u mean phi^i
Najmeh Arani
58:11
oh yeah
Najmeh Arani
58:21
ohi^i
Najmeh Arani
58:24
phi
Terrence Wu
01:15:54
can you do (1*0) instead of (1 1* 0)
Westin Montano
01:16:02
^
Garrett Geesink
01:21:52
does this mean ε has an even number of zeroes?
Justin Wang
01:22:01
0 0's is even
Garrett Geesink
01:22:03
Because doesn't this set include ε?
Thomas Henningson
01:22:33
no 0's are even 0's
Thomas Henningson
01:22:36
I think
Westin Montano
01:22:38
yes
Justin Wang
01:24:36
thanks professoir
Micah Galos
01:24:41
thank you
Alec Asatoorian
01:24:43
Thank you professor
Erik Kanamori
01:24:43
thank you professor
Jimmy Im
01:24:47
thank you
Westin Montano
01:24:49
Thank you professor!
Harris Shepard
01:24:51
thank you!
Yishao Wang Wang
01:25:00
Thank you professor
Ponmanikandan Velmurugan
01:25:04
thank you professor
Matthew Hunt
01:25:51
so can we use 1+ on hw and tests?