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工作学习 / IT技术讨论 / 请教各位高人,现在有一条平滑特性曲线(二维映射),表达式未知,但知道若干不连续的点的坐标。怎样才能得到中间的任意点的值呢?好像MathCad有个spline函数,VB有类似的曲线拟合方法吗?
-pyramid(金字塔);
2002-3-24
(#416955@0)
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好象EXCEL就有。
-std(std);
2002-3-24
(#416957@0)
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是的,但是怎样用到程序里呢?
-pyramid(金字塔);
2002-3-24
(#416970@0)
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系数可以从EXCEL里得到
-std(std);
2002-3-24
(#416977@0)
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B
-ra.95(爱吃草的牛);
2002-3-25
(#418198@0)
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插值法, 见"计算方法" 书, 有完整例子, (我自己的那本考完试就扔了,对不起给不了你)
-smile_tree(sleepy guest);
2002-3-25
(#418746@0)
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我也选修过这门课,但是当时是为了应付考试,现在早忘的一干二净了。:(((
-pyramid(金字塔);
2002-3-25
(#418914@0)
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use polynomial interpolation. Recommand Newton basis.
-epoch(epoch);
2002-3-25
(#418994@0)
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能不能给个链接什么的,明知我是外行,不要进行新名词轰炸。
-pyramid(金字塔);
2002-3-25
(#419004@0)
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I don't have any link. But you can search the key word "polynomial interpolation". The reason I said Newton basis is it is a nice recursion and It seems you want to program it in VB.
-epoch(epoch);
2002-3-25
(#419014@0)