Is it feasible to convert math in a picture, say written by hand, into LaTeX? For example, I'd deem it faster to write down (de novo) a 10 x 10 matrix with long, complex entries, rather than typing ...
Basically that is the question - if we have a DVI file can we get on the base on it the original TeX file?
I know that hardly any information is passed to the PDF when a .tex file is compiled. But is there a tool that can convert a PDF document back to (La)TeX?