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seen Dec 12 '12 at 0:02

Jul
2
awarded  Curious
May
14
awarded  Popular Question
Dec
10
comment Intersection of a line segment and a paraboloid in 3D
Well, your claim is not always true, L can intersect with paraboloid even both end points are below the paraboloid.
Dec
7
asked Intersection of a line segment and a paraboloid in 3D
Oct
20
revised Diagonally dominant matrix with matrix similarity
added 51 characters in body
Oct
20
comment Diagonally dominant matrix with matrix similarity
Your answer seems logical, but the assumption that you did at the beginning may not be true for my question. So some eigenvalues of $A$ might me zero.
Oct
20
comment Diagonally dominant matrix with matrix similarity
@Daryl : You are right, i should have mentioned at the beginning.
Oct
20
revised Diagonally dominant matrix with matrix similarity
added 134 characters in body
Oct
20
revised Diagonally dominant matrix with matrix similarity
added 60 characters in body
Oct
20
comment Diagonally dominant matrix with matrix similarity
I already knew that, but that does not work for me. And M does not need to be diagonal. The requirement is diagonally dominant.
Oct
19
asked Diagonally dominant matrix with matrix similarity
Oct
17
revised Relation between eigenvalues and rows or columns of a matrix
deleted 6 characters in body
Oct
17
asked Relation between eigenvalues and rows or columns of a matrix
Oct
10
awarded  Supporter
Oct
10
accepted Subtraction of inequalities
Oct
10
revised Subtraction of inequalities
added more information about the variables
Oct
10
comment Subtraction of inequalities
@Jean-Sébastien: i do not have any problem with the link. It was just additional information. Please check the edit.
Oct
10
revised Subtraction of inequalities
deleted 109 characters in body
Oct
10
comment Subtraction of inequalities
@draks: If i knew i would not ask
Oct
10
comment Subtraction of inequalities
@draks: what should be instead of question mark?