ktychan

N = (0,1)
E = (1,0)

def normalize(path):
    """ convert path to a list of (0,1) and (1,0) """

    l = len(path)
    if l % 2 != 0:
        raise ValueError("Not a lattice path: len(path)=%d is not even." % l)
    

ktychan

% blank dotted paper
\documentclass[a0,landscape]{a0poster}
\usepackage{background}
\usetikzlibrary{decorations.markings,calc}

\def\Step{0.5}    %% separation between dots
\def\Size{0.5pt}  %% radius of the dot
\def\Toty{40}     %% adjust
\def\Totx{100}    %% adjust

ktychan

 ____    _    ____  _   _    ____ _                _       _               _
| __ )  / \  / ___|| | | |  / ___| |__   ___  __ _| |_ ___| |__   ___  ___| |_
|  _ \ / _ \ \___ \| |_| | | |   | '_ \ / _ \/ _` | __/ __| '_ \ / _ \/ _ \ __|
| |_) / ___ \ ___) |  _  | | |___| | | |  __/ (_| | |_\__ \ | | |  __/  __/ |_
|____/_/   \_\____/|_| |_|  \____|_| |_|\___|\__,_|\__|___/_| |_|\___|\___|\__|

kelvinchan.ca

Comparison
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