rgtext
5pauseholdoff
fxq8y1125x2
8x012
11y4lagr1xyx0holdo
plotx0y4rgtext
7pauseholdoff
21a
yx1x4的程序均匀节点
m150x510m15yx1x4z0xplotxzrxykgtextyx1x4pause
2x0510
15y0x01x04y1lagr1x0y0xholdo
plotxy1ggtext
1pauseholdoff
6x0510
15y0x01x04y3lagr1x0y0xholdo
plotxy3rgtext
5pauseholdoff
10x0510
15y0x01x04y4lagr1x0y0xholdo
plotxy4rgtext
9pauseholdoff
2．1b
切比雪夫节点
m150x510m15yx1x4z0xplotxzrxykgtextyx1x4pausexq2yx1x4
3x0510
15y1lagr1xyx0holdo
plotx0y1ggtext
1pauseholdoffxq6yx1x4
5x0510
15y2lagr1xyx0holdo
plotx0y2bgtext
5pauseholdoffxq10yx1x4
10x0510
15y3lagr1xyx0holdo
plotx0y3rgtext
9pauseholdoff
31a
yata
x的程序均匀节点
m150x510m15yata
xz0xplotxzrxykgtextyata
xpause
2x0510
15y0ata
x0y1lagr1x0y0xholdo
plotxy1ggtext
1pauseholdoff
6x0510
15y0ata
x0y3lagr1x0y0xholdo
plotxy3rgtext
5pauseholdoff
10x0510
15y0ata
x0y4lagr1x0y0xholdo
plotxy4ygtext
9pauseholdoff
31b
切比雪夫节点
m150x510m15yata
xz0xplotxzrxykgtexty1125x2pausexq1yata
x
2x0510
15y1lagr1xyx0holdo
plotx0y1ggtext
1pauseholdoffxq5yata
x
6x0510
15y3lagr1xyx0holdo
plotx0y3rgtext
5pauseholdoffxq9yata
x
10x0510
15y4lagr1xyx0holdo
plotx0y4rgtext
9pauseholdoff
实验二的关键程序
f问题一的程序
x0li
space1111y0119x02x10021ylagr1x0y0xyispli
ex0y0x求三次样条插值z119x2Riabszyiz三次样条插值相对误差Rabszyzlagra
ge插值相对误差xyzyiRRixyzyiRRi
sizex0plotxzoxyxyirlege
d原始图像lagra
ge插值三次样条插值
问题二的程序
m101x12m11y1125x2plotxyxi010yi00079153219271303327289306319329ppcsapexycomplete0802xj00110yjppvalppxiplotxyplotxiyi
思考题程序
以下为三种不同的方式1x0100200300400y0100200300400z0636697624478698712630478680674598412662626552334ppcsapex0y0z0xi1001400yi1001400cz1f
valppxiyicz2i
terp2x0y0z0xiyiLi
ear
fijfi
dcz1maxmaxcz1r