[問題] 曲面積分寫法
clc;
clear all;
syms x
a=-6*10^-6
b=0.002
c=-0.033
d=0.212
e=-0.844
f=-0.068
F=diff(a*x^5+b*x^4+c*x^3+d*x^2+e*x+f,x)%多項式微分
int((a*x^5+b*x^4+c*x^3+d*x^2+e*x+f)*((1+F^2)^0.5),x,0,17.0982)
曲面積分公式
A= F(x)*(1+F(x)')^0.5 積分dx 範圍 0-0.17.0982
請問我上面code跑出來都說
Warning: Explicit integral could not be found.
上面有從座標軸跑五次方多項式曲線出來
請問為什麼會跑不出值@@?
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