迭代公式
x = (x^2+1)^(1/3)
取区间均值1.45作为迭代初始值
第一次迭代:s = (1.45^2+1)^(1/3) = 1.4585
第二次迭代:s = (1.4585^2+1)^(1/3) = 1.4624
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第八次迭代:s = (1.4655^2+1)^(1/3) = 1.4655
可见,已收敛至1.4655
故近似跟为1.4655
迭代公式
x = (x^2+1)^(1/3)
取区间均值1.45作为迭代初始值
第一次迭代:s = (1.45^2+1)^(1/3) = 1.4585
第二次迭代:s = (1.4585^2+1)^(1/3) = 1.4624
‘
’
‘
第八次迭代:s = (1.4655^2+1)^(1/3) = 1.4655
可见,已收敛至1.4655
故近似跟为1.4655