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◆ Si_sub()
| Sub Si_sub |
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Ret As |
Double, |
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X As |
Double, |
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Optional Info As |
Long |
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正弦積分 Si(x) (サブルーチン版)
- 目的
- 正弦積分を求める.
Si(x) = ∫ sin(t)/t dt [0, x]
Function Si(X As Double, Optional Info As Long) As Double 正弦積分 Si(x)
- 引数
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| [out] | Ret | 正弦積分 Si(x). |
| [in] | X | 引数 x. |
| [out] | Info | (省略可)
= 0: 正常終了.
= 1: 浮動小数点値域エラー. |
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