Mathematics
Samuli Lehtonen's user avatar
Samuli Lehtonen's user avatar
Samuli Lehtonen's user avatar
Samuli Lehtonen
  • Member for 10 years, 2 months
  • Last seen more than 3 years ago
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Enthusiastic iOS and mac developer.

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All Questions Answers
Score Newest
question
4
Need to prove that "If $x+y \ge 1$ then $x \ge \frac 12$ or $y \ge \frac 12$"
Sep 11, 2013
question
3
Is this correct method to prove that $a^2 + b^2 + c^2 ≥ ab + bc + ac$, when $a,b,c \geq 0$?
Sep 12, 2013
question
2
Conditional propability question
Jan 14, 2014
question
1
Prove that $\mbox{Ker}(L)=\mbox{Ker}(L^2)$ if $\mbox{Im}(L) = \mbox{Im}(L^2)$
Jan 19, 2014
question
0
A = {x/x^2+1 : x belongs to reals } Show that A is a subset of [-1/2, 1/2]
Oct 6, 2013
question
0
Prove that vectors x,y are linearly dependent exactly when ...
Jan 19, 2014
Top network posts
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143
iOS multiline label in Interface builder
79
iOS download and save image inside app
45
How can this all fit into 64kb?
10
Objective-C copy and retain
9
Creating itunes store style "jump" animation

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