190 reputation
6
bio website tharindu-rusira.blogspot.com
location Colombo, Sri Lanka
age 24
visits member for 3 years
seen Apr 10 at 6:13

If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is.

~John Louis von Neumann


Oct
30
revised What is the easy way to calculate the roots of $z^4+4z^3+6z^2+4z$?
corrected the body
Oct
30
suggested suggested edit on What is the easy way to calculate the roots of $z^4+4z^3+6z^2+4z$?
Jul
23
awarded  Autobiographer
May
22
revised Method of undetermined coefficients for the input functions associated with the unit step
edited title
May
22
comment Method of undetermined coefficients for the input functions associated with the unit step
Oh I'm sorry @anorton, it was a mistake. Both x and y are functions of t.
May
22
revised Method of undetermined coefficients for the input functions associated with the unit step
corrected a mistake in the example
May
21
comment Method of undetermined coefficients for the input functions associated with the unit step
yes, it's the standard step. u(t)=1 for all t>=0 and otherwise u(t)=0
May
20
awarded  Editor
May
20
revised Method of undetermined coefficients for the input functions associated with the unit step
corrected spelling
May
20
asked Method of undetermined coefficients for the input functions associated with the unit step
Nov
27
awarded  Scholar
Nov
27
comment Linear programmimg
just great !!! loads of thanks :) a crystal clear explanation.. a proof rather, awesome...
Nov
27
accepted Linear programmimg
Nov
27
awarded  Supporter
Nov
27
comment Linear programmimg
in simple words, I want to know how the extreme points are considered to be the only points within the feasible region that gives the optimum value. I hope I made myself clear...
Nov
27
awarded  Student
Nov
27
asked Linear programmimg
Nov
26
comment LU Decomposition
Got it. thanks all...
Nov
26
comment LU Decomposition
Thanks, but my question was not how to decompose a matrix into LU. I wanted to know how to use pivoting when doing LU decomposition.
Nov
26
asked LU Decomposition