(cls, r, c=None)
return cls(r, c, {})
Return an r x c matrix of zeros, square if c is omitted.
Return an r x c matrix of zeros, square if c is omitted.
Return an r x c matrix of zeros square if c is omitted .
def zeros(cls, r, c=None):
        """Return an r x c matrix of zeros, square if c is omitted."""
        c = r if c is None else c
        r = as_int(r)
        c = as_int(c)
        return cls(r, c, {})
def zeros ( cls , r , c = None ) : c = r if c is None else c r = as_int ( r ) c = as_int ( c ) return cls ( r , c , { } )