如何使用lambda表达式在C#中乘以两个序列？

Question

如何使用lambda表达式在C#中乘以两个序列？例如,如果我有{1,2}和{3,4},我想要结果{3,4,6,8}.

Answer 1

用于SelectMany生成笛卡尔积并将这两个值相乘.

var query = from x in first
            from y in second
            select x * y;