大学高等数学急救原题如下:solve the initial value problem.y''+xy'+(2x^2+1)y=0,y(0)=1,y'(0)=-1.Calculate an approximate value of y(1/2) using the first five terms of the power series.How much would this value change if you instead used the first six terms of the power

2019-05-23

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大学高等数学急救
原题如下:
solve the initial value problem.
y''+xy'+(2x^2+1)y=0,y(0)=1,y'(0)=-1.
Calculate an approximate value of y(1/2) using the first five terms of the power series.How much would this value change if you instead used the first six terms of the power series?
不可以用matlab