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aoiw

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Private Sub Command1_Click()
Open "C:\Users\aoiw\Desktop\12.xls" For Output As #1
Dim xb As Double, x As Single, x1 As Single
Dim f As Single, f1 As Single
For xb = 0.04 To 0.201 Step 0.001
x = 0
Do
x1 = x
f = (32 * xb + 8) * x ^ 3 - (216 * xb + 34) * x ^ 2 + (432 * xb + 28) * x - 250 * xb
f1 = (96 * xb + 24) * x ^ 2 - (432 * xb + 68) * x + 432 * xb + 28
x = x1 - f / f1
Loop Until (Abs(x - x1) < 0.00001)
a = 1 / (x - xb)
a = Round(a, 4)
Print #1, xb; a
Next xb
Close #1
End Sub

[ Last edited by wangen994 on 2010-5-6 at 13:02 ]
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holmescn

½ð³æ (ÕýʽдÊÖ)

aoiw(½ð±Ò+5):ллÄúµÄ²ÎÓ룬µ«ÎÒÏëÒ»´ÎŪµ½excelÖнøÐÐÏÂÒ»²½µÄ²Ù×÷ 2010-05-05 12:41:01
resonant:ר¼ÒÇëÖÁhttp://emuch.net/bbs/viewthread.php?tid=2023237&fpage=1 ÌûÖб¨µ½Å¶£º-£© 2010-05-05 22:22:54
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2Â¥2010-05-05 12:16:43
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hakekill

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resonant(½ð±Ò+1):¸Ðл²ÎÓ룺¡ª£© 2010-05-06 09:42:35
aoiw(½ð±Ò+45):·Ç³£¸Ðл£¡ 2010-05-06 12:13:37
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Print #1, xb, vbtab, a

[ Last edited by hakekill on 2010-5-6 at 09:44 ]
3Â¥2010-05-06 09:39:27
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