橘子貓 asked in 教育與參考考試 · 1 decade ago

有關工程量測的問題 Consider the equatio

Consider the equation y=1.0-0.2x 0.1x(平方) (0<_x<_3)

Determine the maximum uncertainty in y for ±2% uncertainty in the variable x.

1 Answer

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  • 必可
    Lv 5
    1 decade ago
    Favorite Answer

     y=1.0-0.2x+0.1x2Because d2y/dx2=0.2 is a constant value, the maximum uncertainty in y is  ± -0.2 for ±2% uncertainty in the variable x.

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