Module albow.vectors

try:

        from Numeric import add, subtract, maximum

except ImportError:

        import operator
        
        def add(x, y):
                return map(operator.add, x, y)
        
        def subtract(x, y):
                return map(operator.sub, x, y)
        
        def maximum(*args):
                result = args[0]
                for x in args[1:]:
                        result = map(max, result, x)
                return result