(1) If F is a force, this give the work done in the displacement along C.
F = [z,x,y], C:r = [cost,sint,t] from(1,0,0) to (1,0,4pi).
calculate ∫F(r) ⊙ dr?
算出來∫F(r) ⊙ dr = ∫(-tsint+cos^2t+sint)dt
請問這個(1,0,0) to (1,0,4pi)積分上下限要怎取?
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※ 編輯: jolin19 (151.181.36.99), 09/17/2017 02:52:49
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