在区间[-0.9, 4.1]上取11个节点,用分段线性插值方法求[img=120x47]180355ab48e10a7.png[/img]在[img=72x20]180355ab517bbec.png[/img]处的近似值:
A: 61.1
B: 58.3
C: 64.9
D: 57.3
A: 61.1
B: 58.3
C: 64.9
D: 57.3
举一反三
- 在区间[-0.9, 4.1]上取11个节点,用分段线性插值方法求[img=120x47]1802e4d66602fe7.png[/img]在[img=72x20]1802e4d66f29286.png[/img]处的近似值: A: 61.1 B: 58.3 C: 64.9 D: 57.3
- 设[img=104x50]18030143dfff521.png[/img],在区间[-0.9,4.1]上取21个节点,试用分段线性插值求出f(-0.7)的近似值: A: 58.2 B: 63.5 C: 61.1 D: 65.4
- 设[img=104x50]1802e4e399be714.png[/img],在区间[-0.9,4.1]上取21个节点,试用分段线性插值求出f(-0.7)的近似值: A: 58.2 B: 63.5 C: 26.53 D: 65.4
- 设[img=104x50]1803b73fcaa7630.png[/img],在区间[-0.9,4.1]上取21个节点,试用分段线性插值求出f(-0.7)的近似值: A: 58.2 B: 63.5 C: 26.53 D: 65.4
- 在区间[-5,5]上取21个节点,用三次样条插值、分段三次插值法分别计算函数[img=81x45]180355aa90b8bd3.png[/img]在x=0.01处的插值结果为: A: 0.0112,0.0092 B: 0.1112,0.1092 C: 0.2112,0.2092 D: 0.3112,0.3092