已知 ， 则 的 Lagrange 插值多项式为 ______.http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/181ceea87cf248bbbb7146045a423f89.png
举一反三
- 已知 ， 则 的 Lagrange 插值多项式为 ______.http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/181ceea87cf248bbbb7146045a423f89.png
- http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/181ceea87cf248bbbb7146045a423f89.png
- 当 时， ，求 的二次插值多项式为 .http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/cd8a5f6120864650afa1335344aea896.png
- 已知，用Lagrange线性插值求的近似值为______.http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/2268ea20649747c78ad168ea8627f2ae.png
- 已知，用Lagrange线性插值求的近似值为______.http://image.zhihuishu.com/zhs/onlineexam/ueditor/201808/8f89f96965e04ca088793581a88b80ab.png