0
votes
1answer
22 views

Notation of a linear inequality system.

Sorry to bother with this rather trivial question, but nowhere in my lectures or books can I quite find out what the topmost line means. Maybe I'm forgetting something. Anyway: Line 2 and 3 are ...
3
votes
1answer
37 views

Is it necessary to state that $y_i \leq 1$

In a class test for Linear Programming, my professor deducted some marks because I missed the condition $y_i \leq 1$ in the mixed strategy games solution. $ y_i $ stands for the probability of any ...
1
vote
2answers
141 views

Alternative function notation?

I have a professor that uses the notation $$ \lambda (x_1,x_2,\dots ,x_n)\ . \ c_1x_1 +c_2x_n + \dots +c_nx_n \colon \ \mathbb{R}^n \longrightarrow \mathbb{R}$$ for a function $$ f \colon \ ...
1
vote
1answer
292 views

Meaning of the bar over $\bf{c}'$ in $\bf{\bar{c}}'=\bf c' -\bf c'_B \bf B^{-1} \bf A\geq \bf 0$?

I am trying to understand the page 87 Bertimas about Linear Programming. The author uses bolding and bars -- now I am starting to think that the bar means something else to vector, bolding apparently ...