用MATLAB解题(用数值积分法)计算 , 0

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用MATLAB解题(用数值积分法)计算,0用MATLAB解题(用数值积分法)计算,0用MATLAB解题(用数值积分法)计算,0>>symst>>ansa=int(exp(-t^2/2),0,3)/(2

用MATLAB解题(用数值积分法)计算 , 0
用MATLAB解题(用数值积分法)
计算
, 0

用MATLAB解题(用数值积分法)计算 , 0
>>syms t
>> ansa=int(exp(-t^2/2),0,3)/(2*pi)^0.5+0.5
ansa =
1125899906842624/5644425081792261*erf(3/2*2^(1/2))*2^(1/2)*pi^(1/2)+1/2
>> vpa(ansa,10)
ans =
.9986501019