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 Feb25 answered What does positive definite matrix mean? Feb25 comment Finding the transition probability matrix, two switches either on or off.. @joriki: Huh! Corrected again... Feb25 revised Finding the transition probability matrix, two switches either on or off.. added 1 characters in body Feb25 comment Finding the transition probability matrix, two switches either on or off.. Thanks @joriki. The answer now seems a bit intuitive too, given the transition probabilities. Feb25 revised Finding the transition probability matrix, two switches either on or off.. Edited answer. Feb25 revised Finding the transition probability matrix, two switches either on or off.. added 106 characters in body Feb25 answered Finding the transition probability matrix, two switches either on or off.. Feb24 answered Integral Sign with indicator function and random variable Feb24 answered Prove that $1 + \dfrac{1}{2} + \dfrac{1}{3} + \cdots + \dfrac{1}{n} = \mathcal{O}(\log(n))$. Feb19 revised A question dealing with the convexity of functions involving the absolute value improved formatting again! Feb19 answered Define a $2 \times 2$ matrix that is the lower $2 \times 2$ block in $A$ (Matlab) Feb19 answered A measure which is not continuous from above Feb19 revised Values of $a$ for which $(a+4)x^2-2ax+2a-6 <0$ for all $x \in R$ added 21 characters in body Feb19 comment Values of $a$ for which $(a+4)x^2-2ax+2a-6 <0$ for all $x \in R$ @Sachin: Could you please accept the answers to your earlier questions by clicking the tick sign underneath the vote? Feb19 answered Values of $a$ for which $(a+4)x^2-2ax+2a-6 <0$ for all $x \in R$ Feb19 comment Cobb-Douglas utility function It means if you allocate 0.6 of your time on $X$ and 0.4 on $Y$, then your utility is linear in $(X,Y)$. Feb19 answered Uniform random variable problem Feb19 comment Cobb-Douglas utility function No, you are normalising utilities of different proportions using $U(1-\alpha,\alpha)$. To understand why $U(1-\alpha,\alpha)$ acts as some benchmark, we will need more context and the details of where you came across this. Feb19 answered order of integration and Fubini's theorem Feb19 answered A question dealing with the convexity of functions involving the absolute value