4 Jun
2018
4 Jun
'18
1:44 p.m.
https://books.google.com/books?id=oYGz3S_WTHUC&pg=PA261&lpg=PA261&dq=NYU+Com... pp 267-268. This is the formula which I've used regularly to convert an arbitrary composition of homographic functions (e.g., a sum) to a (non regular) continued fraction. To my bewilderment and distress, it just stopped working, even after I rederived it. The rarely used terminating case went undetected. Empirically, the final term should be x = c[m+1](y + d[m]/c[m]), not c[m+1](y + d[m]/d[m+1]). --rwg