12 Dec 2013 How Math is Changing Movies by Dr. Dorff

the top 20 grossing movies in the world all involved computer animation

he also talked about how the creation of moving characters involves matrix transformation.

the math involved also help us do amazing animation like modeling the water flow when some exterior object changes the water flow

Wednesday December 11 sections 24.1-24.3

1. How did they combine the sum in 24.3?

2. its interesting to see the method they used in proof irrationality and transcendental indirectly

Careers in Math: Goldman Sachs Thursday, Dec 5th, 4pm

Panna Pavangadkar of Goldman Sachs talked about the way technology is important and how it is applied in the company, together with the jobs that a mathematician can get in Goldman Sachs.

She talked a lot about data management.

Friday December 6 sections 22.1-22.2.

1.  I understand why the choice of phi and phai would work, but is it the only choice?

2. I noticed that the determinant equals to (phi-phai)^2, does that tell us an information?

Wednesday December 4 sections 21.5-21.7.

1. how does theorem21.7 fills in the gap for the proof of Vandermonde-Gauss

2. its interesting to see how we can find out the expression of the phi function with equation 21.11

Monday December 2, sections 21.3-21.4.

1. dont quite understand how they got alpha expressed as a function of theta in 21.7/ what has that to do with alpha1^10 lies in fixed field of Q(theta)?

2. interesting to see that we have a general way to solve the nth root of unity

Monday November 25, sections 20.1-20.2.

1. where's the proof for theorem 20.3?

2. interesting to see the multiplicative group again