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  • 用matlab解指數(shù)方程solve('6600*(exp^((-0.1155)*x)-exp^((-0.1386)*x))=200','x')要怎么算.

    用matlab解指數(shù)方程solve('6600*(exp^((-0.1155)*x)-exp^((-0.1386)*x))=200','x')要怎么算.
    數(shù)學(xué)人氣:406 ℃時(shí)間:2020-05-13 12:59:38
    優(yōu)質(zhì)解答
    solve('6600*(exp((-0.1155)*x)-exp((-0.1386)*x))=200','x')

    ans =

    [ 33.242273582919781044404221544008+110.39820712376981372639082521324*i]
    [ 33.242273582919781044404221544008-110.39820712376981372639082521324*i]
    [ 30.417499329414390730090293198279+58.693678312326391933412403634227*i]
    [ 30.417499329414390730090293198279-58.693678312326391933412403634227*i]
    [ 22.435077863592306008843810565972]
    [ 1.6093400115869796827381043168861]
    .
    solve('6600*(exp((-0.1155)*x)-exp((-0.1386)*x))-200','x')

    ans =

    [ 33.242273582919781044404221544008+110.39820712376981372639082521324*i]
    [ 33.242273582919781044404221544008-110.39820712376981372639082521324*i]
    [ 30.417499329414390730090293198279+58.693678312326391933412403634227*i]
    [ 30.417499329414390730090293198279-58.693678312326391933412403634227*i]
    [ 22.435077863592306008843810565972]
    [ 1.6093400115869796827381043168861]咱倆寫的基本一樣啊。。。為什么我的出不來
    我來回答
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