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visits member for 1 year, 8 months
seen Jul 9 at 8:16

Financial mathematician-beginner.


Jun
2
asked A Quick Set Notation Question
Jun
2
asked Fair Value Of a Call Option
Jun
1
revised How can we relate calculus, trigonometry etc in real life
added 83 characters in body
Jun
1
answered How can we relate calculus, trigonometry etc in real life
May
26
revised Understanding this calculus simplification
added 8 characters in body
May
26
revised Understanding this calculus simplification
edited body
May
26
answered Understanding this calculus simplification
May
26
comment Understanding this calculus simplification
In cases like this, it's best to take the end result and differentiate it, it usually gives you a clue of what happened.
May
26
revised Convexity of a rational function
added 56 characters in body
May
26
asked Convexity of a rational function
May
26
accepted Convexity of $\sqrt{x^2+y^2}$
May
26
revised Convexity of $\sqrt{x^2+y^2}$
better question name
May
26
comment Convexity of $\sqrt{x^2+y^2}$
Thanks, that indeed is a quick and efficient way, if one knows this property of norms. Given the background though, this is definitely not what the examiner would expect the person to answer, so I'd guess there still has to be another way.
May
26
asked Convexity of $\sqrt{x^2+y^2}$
Mar
2
awarded  Nice Question
Feb
27
revised How to find the intersection of the $\mathcal R(A)$ and $\mathcal R(A^*)$
added latex - edit, sorry
Feb
27
suggested suggested edit on How to find the intersection of the $\mathcal R(A)$ and $\mathcal R(A^*)$
Feb
14
comment when to use sine vs cosine vs tangent
SOH CAH TOA helps a lot to remember the rules, btw (just say it out loud a few times, shouting like a kendo fighter and you will never forget them, ever)
Feb
13
revised How I got this answer
Corrected tags. Unsure about puzzle.
Feb
13
suggested suggested edit on How I got this answer