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 Apr 17 asked Is $f(x)=-3x_1+x_2-x_3^2$ pseudoconvex at $\bar x$? Apr 4 revised How to find the Lagrangian dual function (for three variables)? added 4 characters in body Apr 4 asked How to find the Lagrangian dual function (for three variables)? Apr 4 revised How to find extreme directions? added 32 characters in body Apr 4 comment how to find extreme points for 3 variable linear programming it is to find the optimal, right. Nothing to do with finding extreme points. Apr 4 comment how to find extreme points for 3 variable linear programming why also find the objective value at each extreme point? Apr 4 asked how to find extreme points for 3 variable linear programming Apr 4 comment How to find extreme directions? min $-3x_1-2x_2-x_3$. Why is it needed? Apr 3 asked How to find extreme directions? Mar 29 accepted Does $F(x)=\int ^{2x-x^2}_0 cos(\frac{1}{1+t^2})dt$ have a maximum or a minimum value? Mar 29 asked Does $F(x)=\int ^{2x-x^2}_0 cos(\frac{1}{1+t^2})dt$ have a maximum or a minimum value? Mar 25 awarded Peer Pressure Mar 22 asked How to show $\lim_{x\to -3} x^2=9$ by $\epsilon$, $\delta$ definition Mar 16 revised How to evaluate $\int^\pi_0 cos((n+1)x)(cosx)^jdx$ for $j=0,1,…,n$ added 22 characters in body Mar 16 comment How to evaluate $\int^\pi_0 cos((n+1)x)(cosx)^jdx$ for $j=0,1,…,n$ you mean, for example, j=0, j=1,j=2 and n=2. Yes. Mar 16 asked How to evaluate $\int^\pi_0 cos((n+1)x)(cosx)^jdx$ for $j=0,1,…,n$ Mar 1 comment Design an algorithm to solve this LP so, it does not matter if $a_j,b$ are real numbers (not vectors).ok Mar 1 revised Design an algorithm to solve this LP added 45 characters in body Mar 1 asked the dual of the LP Feb 29 asked Design an algorithm to solve this LP