Re: [問題] 一題數學
※ 引述《jajacko ()》之銘言:
: 家教高三學生問我的
: 50sinΘ-24=18.2Θ
: 求Θ=??
: 請高手大大幫忙謝謝
Using Newton's method:
f(x)=50sin(x)-18.2x-24
f'(x)=50cos(x)-18.2
Initial trial value: x1=1
x2=x1-f(x1)/f'(x1)=1.014345
x3=x2-f(x2)/f'(x2)=1.014874
x4=x3-f(x3)/f'(x3)=1.014874
So θ=1.014874 radians.
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