如何用样条生成满足条件的光滑曲线
一、在matlab中欲用样条生成光滑曲线AB =
293.6250 32.2000
291.7339 28.0000
290.8333 26.0000
289.9328 24.0000
289.0323 22.0000
288.3010 20.3759
288.3000 20.3737
288.1317 20.0000
287.2312 18.0000
286.3306 16.0000
285.8804 15.0000
285.4301 14.0000
285.0637 13.0000
285.0000 12.3000
BC=
285.0000 12.3000
285.0000 11.5000
CD=
285.0000 11.5000
286.3450 10.0000
288.3000 9.4509
288.3010 9.4507
290.0070 9.0000
291.2430 8.0000
291.4700 7.0000
291.4710 6.0000
291.4720 5.0000
DE =
291.4720 5.0000
291.4680 4.0000
291.3130 3.0000
290.7800 2.0000
289.6790 1.0000
288.3010 0.3527
288.3000 0.3524
285.9730 0
在matlab中欲用样条生成光滑曲线,满足:
1. BC段平行于Y轴
2. AB段在B点的切线平行于Y轴(图中AB段的绿色'+'为连接AB两点的直线)
3. CD段在C点的切线平行于Y轴,在D点的切线平行于Y轴
4. DE段在D点的切线平行于Y轴
5. DE段在E点与X轴相切
二、“切线K平行于Y轴”如何表示?
[ 本帖最后由 eight 于 2008-1-9 15:10 编辑 ]
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