examp3_27.m

matlab的大量实例代码

syms n; symsum(2/2^n+2/3^n,n,1,inf)

syms n x
s1=symsum(2/((2*n+1)*(2*x+1)^(2*n+1)),n,0,inf)

s1=simple(s1)

syms x nonzero
simple(s1)