MATLAB에서 문제가 있음

Question

MATLAB에서 내 질문에 대한 대답을 얻을 수 없다는 전제가 있습니다. 두 가지 질문이 있습니다.

1. MATLAB에서 정수를 계산하는 방법이 있습니까?

2. 이 통합의 계산에 Mathematica 나 Maple 과 같은 다른 소프트웨어를 사용할 수 있습니까?

b=5; 
t0=6; 
syms s t 

Z=8/5*(4/5+1/5*(25*(911860908983391/2251799813685248*s-911860908983391/2251799813685248)^2*exp(-5505815247359351/72057594037927936*s)^2-20*(911860908983391/2251799813685248*s-911860908983391/2251799813685248)*exp(-5505815247359351/72057594037927936*s)+16)^(1/2))^2*(((911860908983391/2251799813685248*s-911860908983391/2251799813685248)*exp(-5505815247359351/72057594037927936*s)+4/5)^2-(911860908983391/2251799813685248*s-911860908983391/2251799813685248)^2*exp(-5505815247359351/72057594037927936*s)^2+4/5*(911860908983391/2251799813685248*s-911860908983391/2251799813685248)*exp(-5505815247359351/72057594037927936*s)-16/25)^(1/2)/((911860908983391/2251799813685248*s-911860908983391/2251799813685248)*exp(-5505815247359351/72057594037927936*s)+1/5*(25*(911860908983391/2251799813685248*s-911860908983391/2251799813685248)^2*exp(-5505815247359351/72057594037927936*s)^2-20*(911860908983391/2251799813685248*s-911860908983391/2251799813685248)*exp(-5505815247359351/72057594037927936*s)+16)^(1/2))^2 

V=int(Z,s,t0-b,t) 

Answer 1

예를 들어, 올바르게, MMA 10.4 만 수치 대략적인 답을 찾을 수 있습니다 나는 지수 함수 브래킷을 배치 한 가정

z = 8/5*(4/5 + 
     1/5*(25*(911860908983391/2251799813685248*s - 
       911860908983391/2251799813685248)^2* 
      Exp[-5505815247359351/72057594037927936*s]^2 - 
      20*(911860908983391/2251799813685248*s - 
      911860908983391/2251799813685248)* 
      Exp[-5505815247359351/72057594037927936*s] + 16)^(1/ 
      2))^2*(((911860908983391/2251799813685248*s - 
      911860908983391/2251799813685248)* 
      Exp[-5505815247359351/72057594037927936*s] + 
      4/5)^2 - (911860908983391/2251799813685248*s - 
      911860908983391/2251799813685248)^2* 
     Exp[-5505815247359351/72057594037927936*s]^2 + 
     4/5*(911860908983391/2251799813685248*s - 
      911860908983391/2251799813685248)* 
     Exp[-5505815247359351/72057594037927936*s] - 16/25)^(1/ 
     2)/((911860908983391/2251799813685248*s - 
      911860908983391/2251799813685248)* 
     Exp[-5505815247359351/72057594037927936*s] + 
     1/5*(25*(911860908983391/2251799813685248*s - 
       911860908983391/2251799813685248)^2* 
      Exp[-5505815247359351/72057594037927936*s]^2 - 
      20*(911860908983391/2251799813685248*s - 
       911860908983391/2251799813685248)* 
      Exp[-5505815247359351/72057594037927936*s] + 16)^(1/2))^2; 

NIntegrate[z, {s, 1, 2}] 

2.67636