Rank: 28 based on 6568 downloads (last 30 days) and 31 files submitted

David Terr

E-mail: Contact Author
Company/University: Raytheon

Personal Profile:: I received a Ph.D. in number theory from UC Berkeley in 1997. I also enjoy other areas of math, as well as physics and computer programming. I live in Goleta, CA, near Santa Barbara and work at Raytheon in Goleta.
Professional Interests:

Files

Files Posted by David				View all 1 - 5 of 31
Updated	File	Tags	Downloads (last 30 days)	Comments	Rating
27 Dec 2004	numerical.zip Archive containing numerical function files. Author: David Terr	numerical, function, archive, mathematics	164	0
27 Dec 2004	Lucas.m Given a nonnegative integer n, return the nth Lucas number. Author: David Terr	lucas number, fibonacci number, symbolic math, mathematics	194	0	5.0 5.0 \| 1 rating
27 Dec 2004	rqf.m Reduce a binary quadratic form, given as a row vector of length 3. Author: David Terr	positive definite, reduced, quadratic form	181	0
29 Nov 2004	qftimes.m This function composes two quadratic forms. Author: David Terr	positive definite, reduced, composition, quadratic form	170	0
10 Nov 2004	Physics.zip Archive containing various files pertaining to physics. Author: David Terr	physics, archive, chemistry, information, files	202	5	3.66667 3.7 \| 6 ratings

Comments and Ratings on David's Files			View all 1 - 5 of 52
Updated	File	Comment by	Comments	Rating
31 Mar 2009	Wigner3j.m Wigner3j(j1,j2,j,m1,m2,m) returns the Wigner 3j-symbol. Author: David Terr	Hakansson, Par	Ops, did not read the table caption, it was 3jsymbol squared in table. now it match better for a few test cases
30 Mar 2009	Wigner3j.m Wigner3j(j1,j2,j,m1,m2,m) returns the Wigner 3j-symbol. Author: David Terr	Hakansson, Par	Made quick test against alpha=beta=gamma=0 3jsymbols in Table 2, in D.M. Brink and R.G. Satchler "Angular Momentum" Oxford Science Publications and can not get a match
05 Nov 2008	Wigner3j.m Wigner3j(j1,j2,j,m1,m2,m) returns the Wigner 3j-symbol. Author: David Terr	DUBOST, Brice	It doesn't respect wigner 3j symetries Wigner3j(1,1,1,1,-1,-1) is not 0
05 Nov 2008	Wigner3j.m Wigner3j(j1,j2,j,m1,m2,m) returns the Wigner 3j-symbol. Author: David Terr	DUBOST, Brice
23 Sep 2008	Pell.m Pell(d,s,n) returns the first n positive integer solution to the modified Pell's equation x^2-dy^2=+ Author: David Terr	asdasd, asdasdas

Top Tags Applied by David	1 - 5 of 80
symbolic math, mathematics, differential equations, polynomial, continued fraction

Files Tagged by David				View all 1 - 5 of 31
Updated	File	Tags	Downloads (last 30 days)	Comments	Rating
27 Dec 2004	numerical.zip Archive containing numerical function files. Author: David Terr	numerical, function, archive, mathematics	164	0
27 Dec 2004	Lucas.m Given a nonnegative integer n, return the nth Lucas number. Author: David Terr	lucas number, fibonacci number, symbolic math, mathematics	194	0	5.0 5.0 \| 1 rating
27 Dec 2004	rqf.m Reduce a binary quadratic form, given as a row vector of length 3. Author: David Terr	positive definite, reduced, quadratic form	181	0
29 Nov 2004	qftimes.m This function composes two quadratic forms. Author: David Terr	positive definite, reduced, composition, quadratic form	170	0
10 Nov 2004	Physics.zip Archive containing various files pertaining to physics. Author: David Terr	physics, archive, chemistry, information, files	202	5	3.66667 3.7 \| 6 ratings

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