875 reputation
423
bio website math.utep.edu/faculty/…
location El Paso, TX
age 32
visits member for 2 years, 6 months
seen Jul 17 at 17:52

Computational Science PhD student
University of Texas El Paso
Climate & Energy Science Student Organization President
National Energy Technology Laboratory Intern
NSF LSAMP Fellow


Aug
18
accepted Understanding how to state the Karush-Kuhn-Tucker Conditions for a given problem
Aug
18
suggested suggested edit on Understanding how to state the Karush-Kuhn-Tucker Conditions for a given problem
Aug
17
revised Understanding how to state the Karush-Kuhn-Tucker Conditions for a given problem
Corrected objective function according to published errata
Aug
17
comment Understanding how to state the Karush-Kuhn-Tucker Conditions for a given problem
Actually, I just read the errata: users.eecs.northwestern.edu/~nocedal/book/2ndprint.pdf It says that $\frac{1}{8}$ should be replaced by $\frac{1}{2}$ in the objective function. I'll make the edit.
Aug
17
comment Understanding how to state the Karush-Kuhn-Tucker Conditions for a given problem
You're right... I copied it from the text, so I guess there's a slight mistake there.
Aug
17
asked Understanding how to state the Karush-Kuhn-Tucker Conditions for a given problem
Jun
28
awarded  Commentator
Jun
28
comment Is the product of square singular and non singular matrices always singular?
That's exactly what I was thinking of, intuitively... I just needed a way to justify it analytically.
Jun
28
comment How do I combine two matrix equations into one?
Perhaps this would be best addressed in the Computational Science Stack Exchange (scicomp.stackexchange.com).
Jun
28
accepted Is the product of square singular and non singular matrices always singular?
Jun
28
comment Is the product of square singular and non singular matrices always singular?
It's so simple... For some reason, I thought the proof would be harder...
Jun
28
comment Is the product of square singular and non singular matrices always singular?
Of course!! :) I completely forgot about that:) Thanks for reminding me.
Jun
28
asked Is the product of square singular and non singular matrices always singular?
Apr
3
awarded  Teacher
Apr
3
awarded  Editor
Apr
3
revised How do I obtain an appropriate energy functional from the weak formulation of a partial differential equation?
added "energy" to the title.
Apr
3
asked How do I obtain an appropriate energy functional from the weak formulation of a partial differential equation?
Mar
4
comment How can adding an infinite number of rationals yield an irrational number?
@RahulNarain: In the decimal expressions of rational numbers, there is always either a terminating or an infinitely repeating string of digits. Irrational numbers have neither of these properties, but can still be expressed as an infinitely long non-repeating sequence digits. Though there may not be an explicit formula for this sequence, it can still be thought of as an infinite sum of rational numbers, as Rafid indicated.
Feb
9
awarded  Critic
Jan
29
answered Solving systems of linear equations when matrix of coefficients is singular