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Jan
31
accepted Exercise 2.27 from Bazaraa (LP)
Jan
31
accepted $Ax\le b$ has a solution if $[I, -A$, $ A]x'=b$ has a non-negative solution $x'$?
Jan
31
asked $Ax\le b$ has a solution if $[I, -A$, $ A]x'=b$ has a non-negative solution $x'$?
Jan
26
comment How to describe $\lbrace \mathbf{x}\in \mathbb{R^n}: |x_j|\le1 $ for$ 1\le j\le n \rbrace $ in terms of $x_j=x_j^+-x_j^-$
I am seeking for in terms of $x_j=x_j^+-x_j^-$
Jan
26
revised How to describe $\lbrace \mathbf{x}\in \mathbb{R^n}: |x_j|\le1 $ for$ 1\le j\le n \rbrace $ in terms of $x_j=x_j^+-x_j^-$
edited title
Jan
26
revised How to describe $\lbrace \mathbf{x}\in \mathbb{R^n}: |x_j|\le1 $ for$ 1\le j\le n \rbrace $ in terms of $x_j=x_j^+-x_j^-$
added 4 characters in body
Jan
26
asked How to describe $\lbrace \mathbf{x}\in \mathbb{R^n}: |x_j|\le1 $ for$ 1\le j\le n \rbrace $ in terms of $x_j=x_j^+-x_j^-$
Jan
24
asked About Dual Simplex Method
Jan
9
revised Exercise 2.27 from Bazaraa (LP)
deleted 5 characters in body
Jan
9
revised Exercise 2.27 from Bazaraa (LP)
edited tags
Jan
9
asked Exercise 2.27 from Bazaraa (LP)
Jan
3
accepted How to show $f(x)=x^2\sin^2(1/x)$ is Lipschitz continuous
Jan
3
asked How to show $s(t)=\frac{f(x+tp)-f(x)}{t}$ is monotonically increasing?
Jan
3
asked How to show $f(x)=x^2\sin^2(1/x)$ is Lipschitz continuous
Jan
3
accepted How to show :$\inf\sum_{i=1}^m z_i\log(z_i)=-\log(m)$
Jan
2
asked How to show :$\inf\sum_{i=1}^m z_i\log(z_i)=-\log(m)$
Dec
13
comment Why is the largest eigenvalue Lipschitz continuous and not differentiable?
yes please, I need to learn that too. @orangeskid
Dec
13
comment Why is the largest eigenvalue Lipschitz continuous and not differentiable?
I would like to learn where it is not differentiable. matirx norm 2.
Dec
13
comment Why is the largest eigenvalue Lipschitz continuous and not differentiable?
thanks again. I made it clearer I hope so.
Dec
13
revised Why is the largest eigenvalue Lipschitz continuous and not differentiable?
added 13 characters in body