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by shuwang
August 5th, 2010, 12:25 pm
Forum: Programming and Software Forum
Topic: Mathematica Debugging
Replies: 5
Views: 28940

Mathematica Debugging

how about using google.here is one:http://www.wolfram.com/technology/guide ... Debugging/
by shuwang
August 5th, 2010, 12:08 pm
Forum: General Forum
Topic: CAPM & Single-Index Model
Replies: 6
Views: 41528

CAPM & Single-Index Model

QuoteOriginally posted by: AnthisQuoteOriginally posted by: zpxykmHello all: Who could tell me the differences between CAPM, Capital Assets Pricing Model, and Single-Index Model? --ZhaoFor the later you have to regress returns, for the former you have to regress excess returns.Nice!
by shuwang
October 26th, 2006, 5:55 pm
Forum: Student Forum
Topic: Some questions
Replies: 31
Views: 93665

Some questions

for the method for pricing a bond, check the textbook "the theory of interest" by Kellison. The interest or yield is a constant here. the idea is simple. only the different names are confusing.
by shuwang
October 26th, 2006, 5:35 pm
Forum: Student Forum
Topic: PLEASE HELP!!!
Replies: 4
Views: 89943

PLEASE HELP!!!

dS(t) = µ(t)S(t)dt + σ(t)S(t)dWt ?
by shuwang
July 30th, 2006, 10:21 pm
Forum: Technical Forum
Topic: A math puzzle
Replies: 5
Views: 109416

A math puzzle

Isn't the solution just the following: a(1)a(2)a(3)...a(n),which is the coefficent of x^(2n).
by shuwang
July 27th, 2006, 11:32 pm
Forum: Brainteaser Forum
Topic: What is the Ito Lemma?
Replies: 2
Views: 100395

What is the Ito Lemma?

is this function a Riemann Integralable function?
by shuwang
July 27th, 2006, 11:14 pm
Forum: Numerical Methods Forum
Topic: A "simple" error handling question in my interview
Replies: 21
Views: 100121

A "simple" error handling question in my interview

I guess the interviewer wanted the same solution as the sqrt function in math.h which returns null if a negative number is inputted.