積分が正しくないときがある
全体的に使いやすいです。ただ、絶対値やガウス記号を含む積分をすると、誤った結果が出ます。
例1: f(x)=Integral(abs(x-t)e^t,t,0,1)
正しい結果:f(x)=-(e-1)x+1(x<=0)
f(x)=2e^x-(e+1)x-1(0<=x<=1)
f(x)=(e-1)x-1(1<=x)
誤った出力: f(x)=xesgn(x-1)-xsgn(x)-sgn(x)
(0<=x<=1で誤っている)
例2: g(x)=Integral([x]) (g(0)=0とする)
正しい結果:g(x)=1/2[x](-[x]+2x-1)[x]
誤った出力:g(x)=x[x]
(x<-1,1<=xで誤っている)
絶対値やガウス記号の積分は不適切な使い方かもしれませんが、直していただけるとありがたいです。よろしくお願いします。
分からんけど。
分数の記号ってありますか???
いい
グラフを想像しやすいです
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