还有你，等着。还有你，等着。还有你，等着。还有你，等着。还有你，等着。还有你，等着。还有你，等着。还有你，等着。还有你，等着。还有你，等着。还有你，等着。
by MspAInt @ 2024-08-09 16:21:45
qp
by again_q @ 2024-08-09 16:26:06
hp
by fangyouran1 @ 2024-08-09 20:51:04
T2拉格朗日插值秒了
by Lucyna_Kushinada @ 2024-08-16 21:45:35
hp
by EarthBuzzard407 @ 2024-08-22 13:03:11
拉格朗日插值：
$$
f(x) = 1 \cdot \frac{(x-2)(x-3)(x-4)}{(1-2)(1-3)(1-4)} \\
+ 2 \cdot \frac{(x-1)(x-3)(x-4)}{(2-1)(2-3)(2-4)} \\
+ 5 \cdot \frac{(x-1)(x-2)(x-4)}{(3-1)(3-2)(3-4)} \\
+ 12 \cdot \frac{(x-1)(x-2)(x-3)}{(4-1)(4-2)(4-3)} \\ $$
by jyc114514 @ 2024-08-23 13:26:41
>不是题目的题目
by DayLight_YC @ 2024-08-25 11:28:01