试用0.618法（黄金分割法）求f(x)=x^2-4x+4在区间[0,4]的极小点,要求缩短后的区间长度不大于原区间的8%

f(0)=4,f(4)=44×0.618=2.472,f(2.472)=0.2227844-2.472=1.528,f(1.528)=0.222784可见,极小点在[1.528,2.472]内.(2.474-1.528)×0.618)=0.5846282.474-0.584628=1.889372f(1.889372)=0.0122385543841.528+0.584628=2...