搜搜做题作业网大学高等数学 急救原题如下:solve the initial value problem.y''+xy'+(2x^2+
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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
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
欧拉方程~
具体解法查下书吧
具体解法查下书吧
Find the solution of the given initial value problem.
Find the minimum value of the function f(x,y)=8x^2+6y^2+20xy
solve the problem
Find the minimum value of A=x^2 + y^2 if x + y =10
高等数学 求导问题题目：f(x,y)=xy(x^2-y^2)/(x^2+y^2),条件:x^2+y^2≠0.x^2+y^
solve the problem等于什么
will you()solve the problem?
help to solve the problem?
Violence could solve the problem?
高等数学（工专）习题判断下列函数的单调性y=2^xy=(x-1)^2y=lnx x>0 y=1-x x
（xy-x^2)乘以(xy)/(x-y)
The problem is easy to solve.为什么用to solve