1-4 積?

ڭ̥iϥ int OӹŸB⦡inAҦpG
syms a b c x f = a*x^2+b*x+c; int(f)
Ǧ^GOG
1/3*a*x^3+1/2*b*x^2+c*x
WzGOwnGAå]tw`ơCYniwnpAuݥ[JWUYiAiUҡG
syms a b c x f = a*x^2+b*x+c; int(f, 1, 2)
Ǧ^GO
7/3*a+3/2*b+c
P diff O@ˡAMATLAB |۰ʨMwWܼƨӶinCYn藍PܼƶinAiקpUG
syms a b c x f = a*x^2+b*x+c; int(f, a, 1, 2)
䤤 int(f, a, 1, 2) N f a wnAWU 1 M 2AǦ^GO
3/2*x^2+b*x+c
ƹWAnBLB٭nAҥH@w close-form solutionA] MATLAB äOC@nסAҦpG
int(sin(tan(x))/x)
MATLAB |^Ǥ@ĵiTuWarning: Explicit integral could not be found.vAܵGG
int(sin(tan(x))/x,x)
WzGN MATLAB Lk int(sin(tan(x))/x) close-form solutionCMwnõL close-form solutionAڭ̤iH double OөIsLƭȤkiwnAҦp
double(int(sin(tan(x))/x, -1, 1))
Ǧ^׬O
2.0689

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