Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Deriving the method of images for conductors   We start from the simple fact that the method of images can always be used to
obtain {\Phi}_{\sigma} (r^\to_in), which is the potential inside conductor
produced by induced surface charges. We use this fact to construct image method
for outside potential {\Phi}_{\sigma} (r^\to_out). We show that if we can find
a relation between {\Phi}_{\sigma} (r^\to_out) and {\Phi}_{\sigma} (r^\to_in),
then the image method for {\Phi}_{\sigma} (r^\to_in) can be used to derive the
image method for {\Phi}_{\sigma} (r^\toout). The number, the position and the
amount of charge of the images can be directly derived. The discussion can be
extended to the general n dimensions.

29
The categories of this paper are: funct-an
34
The categories of this paper are: chem-ph
23
The categories of this paper are: solv-int
11
The categories of this paper are: hep-lat
9
The categories of this paper are: nlin
30
The categories of this paper are: q-alg
14
The categories of this paper are: math-ph
32
The categories of this paper are: atom-ph
0
The categories of this paper are: hep-ph
17
The categories of this paper are: q-fin
37
The categories of this paper are: supr-con
2
The categories of this paper are: math
18
The categories of this paper are: econ
21
The categories of this paper are: adap-org
25
The categories of this paper are: patt-sol
33
The categories of this paper are: plasm-ph