Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Ellipsoid Method for Linear Programming made simple   In this paper, ellipsoid method for linear programming is derived using only
minimal knowledge of algebra and matrices. Unfortunately, most authors first
describe the algorithm, then later prove its correctness, which requires a good
knowledge of linear algebra.

24
The categories of this paper are: dg-ga
26
The categories of this paper are: bayes-an
31
The categories of this paper are: ao-sci
2
The categories of this paper are: math
20
The categories of this paper are: acc-phys
19
The categories of this paper are: eess
25
The categories of this paper are: patt-sol
32
The categories of this paper are: atom-ph
27
The categories of this paper are: comp-gas
3
The categories of this paper are: physics
34
The categories of this paper are: chem-ph
13
The categories of this paper are: quant-ph
14
The categories of this paper are: math-ph
35
The categories of this paper are: mtrl-th
29
The categories of this paper are: funct-an
37
The categories of this paper are: supr-con