VB.NET如何进行线性插值计算?
比如说一组数据:X分别是0 5 10 15 20;相对应Y为0 0.1 0.4 0.7 0.8。计算X=7时,Y是多少?

VB.NET如何进行线性插值计算?
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1条回答 默认 最新
- 丨Haruna 2022-08-30 10:38关注
Dim divIn() As Double = {0, 5, 10, 15, 20} Dim divOut() As Double = {0, 0.1, 0.4, 0.7, 0.8} Dim x As Double = 7 Dim y As Double = 0 For i As Integer = 0 To divIn.Length - 2 If x > divIn(i) And x <= divIn(i + 1) Then y = (divOut(i + 1) - divOut(i)) / (divIn(i + 1) - divIn(i)) * (x - divIn(i)) + divOut(i) End If Next MessageBox.Show(y)
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