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bio website stackoverflow.com/users/…
location Beijing, China
age 24
visits member for 2 years, 4 months
seen Jan 1 '13 at 10:14

I have discovered a truly marvelous demonstration of myself that this margin is too narrow to contain.

enter image description here


Jul
20
comment How to convert a system of parametric equations to a normal equation?
@yulinlinyu there are x,y,p,k 4 variables in the 3 equations. R is a constant number. I wonder how to do elimination in Mathematica.
Jul
20
comment How to convert a system of parametric equations to a normal equation?
@Artes they are variables, sorry for confusing. I have already eliminated py, and rename px to p.