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速度变化曲线

痴心男http://im.cx/n posted @ 2008年11月03日 22:18 in 未分类 , 889 阅读

速度100~900区间的变化曲线公式:

$y=0.00000215\,x^3-0.0022\,x^2+0.9372\,x+23.54$

速度800以上区间的变化曲线公式:

$$y=26.66\,e^{0.003428\,x}+2.131*10^{-13}\,e^{0.03397\,x}$$

 \begin{array}{l}  \left[ {\begin{array}{*{20}c}    1 & 2 & { - 1}  \\    3 & 4 & { - 2}  \\    5 & { - 4} & 1  \\ \end{array}} \right]\begin{array}{*{20}c}    1 & 0 & 0  \\    0 & 1 & 0  \\    0 & 0 & 1  \\ \end{array} \\    \to \left[ {\begin{array}{*{20}c}    1 & 2 & { - 1}  \\    0 & { - 2} & 1  \\    0 & { - 14} & 6  \\ \end{array}} \right]\begin{array}{*{20}c}    1 & 0 & 0  \\    { - 3} & 1 & 0  \\    { - 5} & 0 & 1  \\ \end{array} \to \left[ {\begin{array}{*{20}c}    1 & 2 & { - 1}  \\    0 & { - 2} & 1  \\    0 & 0 & { - 1}  \\ \end{array}} \right]\begin{array}{*{20}c}    1 & 0 & 0  \\    { - 3} & 1 & 0  \\    {16} & { - 7} & 1  \\ \end{array} \\    \to \left[ {\begin{array}{*{20}c}    1 & 2 & 0  \\    0 & { - 2} & 0  \\    0 & 0 & { - 1}  \\ \end{array}} \right]\begin{array}{*{20}c}    { - 15} & 7 & { - 1}  \\    {13} & { - 6} & 1  \\    {16} & { - 7} & 1  \\ \end{array} \to \left[ {\begin{array}{*{20}c}    1 & 0 & 0  \\    0 & { - 2} & 0  \\    0 & 0 & { - 1}  \\ \end{array}} \right]\begin{array}{*{20}c}    { - 2} & 1 & 0  \\    {13} & { - 6} & 1  \\    {16} & { - 7} & 1  \\ \end{array} \\    \to \left[ {\begin{array}{*{20}c}    1 & 0 & 0  \\    0 & 1 & 0  \\    0 & 0 & 1  \\ \end{array}} \right]\begin{array}{*{20}c}    { - 2} & 1 & 0  \\    { - 13/2} & 3 & { - 1/2}  \\    { - 16} & 7 & { - 1}  \\ \end{array} \\   \end{array}

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