afiqjohari
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 Nov 5 comment Jensen's inequality: proof by using linear functions Nov 5 comment Jensen's inequality: proof by using linear functions Ok, now I understand the difference between maximum and supremum. But I still don't get the meaning of the statement. It the statement 2.2.1, we also have another $\phi$. I assume that it could be any function as you said... Nov 5 comment Jensen's inequality: proof by using linear functions I think I don't understand the set notation that says "the maximum of all linear functions". You're using sup instead of max, I think it has the same meaning. And I don't see how does the convexity is defined there. Nov 5 comment Jensen's inequality: proof by using linear functions I understand what you write until ... for all x. What does env($\psi$) mean? Nov 5 revised Jensen's inequality: proof by using linear functions deleted 3 characters in body; edited title Nov 5 awarded Editor Nov 5 revised Jensen's inequality: proof by using linear functions deleted 3 characters in body; edited title Nov 5 asked Jensen's inequality: proof by using linear functions Nov 4 awarded Scholar Nov 4 awarded Student Nov 4 comment Stochastic Calculus For Finance: Conditional Expectation of Binomial Tree Model Thank you, it's helpful too. ;) Nov 4 comment Stochastic Calculus For Finance: Conditional Expectation of Binomial Tree Model I was trying but it required me to wait. Thanks again :D Nov 4 accepted Stochastic Calculus For Finance: Conditional Expectation of Binomial Tree Model Nov 4 comment Stochastic Calculus For Finance: Conditional Expectation of Binomial Tree Model Ok. Got it. Thank you! Nov 4 asked Stochastic Calculus For Finance: Conditional Expectation of Binomial Tree Model