announcements feb 8 - peoplepeople.math.gatech.edu/~dmargalit7/classes/math1553...announcements feb...
Post on 07-Aug-2020
5 Views
Preview:
TRANSCRIPT
Announcements Feb 8• Please complete mid-semester CIOS evaluations this week
• WebWork 1.7 and 1.8 due Thursday
• WebWork 1.9 extra credit, due Thursday
• Midterm 1 in class this week Friday Feb 12 on Chapter 1
• Office Hours Tuesday and Wednesday 2-3, after class, and by appointment in Skiles 244 or 236
• LA Office Hours: Scott Mon 12-1, Yashvi Mon 2-3, Baishen Wed 4-5, Matt Thu 3-4, Shivang Fri
10:30-11 + 12:30-1
• Math Lab, Clough 280
• Regular hours: Mon/Wed 11-5 and Tue/Thu 11-5
• Math 1553 hours: Mon-Thu 5-6 and Tue/Thu 11-12
• LA hours: Matt Tue 11-12, Scott Tue 5-6, Baishen Thu 11-12, Yashvi/Shivang Thu 5-6
Section 1.9
The Matrix of a Linear Transformation
Linear transformations are matrix transformations
Q. Find the matrix for the linear transformation of R2 that projects onto they-axis and then rotates counterclockwise by ⇡/2.
Linear transformations are matrix transformations
Q. Find the matrix for the linear transformation of R3 that reflects throughthe xy-plane and then projects onto the yz-plane.
One-to-one and Onto
Do the following give linear transformations that are one-to-one? onto?0
@1 0 7
0 1 2
0 0 9
1
A
0
@1 0
1 1
2 1
1
A✓
1 0 0
0 1 0
◆ ✓2 1
1 1
◆
top related