proe50---方程-資料下載頁
2025-07-25 07:15本頁面
【正文】 *360))！方程：笛卡兒坐標(biāo)x = t*105y = exp(0x^2)笛卡兒坐標(biāo)系a = 1x = 5 + t*10y = 8*a^3/(x^2+4*a^2)柱坐標(biāo)a=100theta = t*400r = a*theta柱坐標(biāo)theta = t*360*a = r = exp(a*theta)笛卡兒坐標(biāo)系a=10y=t*10050solvex^3 = y^2*(2*ax)for x笛卡兒坐標(biāo)系x = t* y = tan(x*20)x = 6*t3y = (exp(x)+exp(0x))/2.雙曲正弦x = 6*t3y = (exp(x)exp(0x))/2x = 6*t3y = (exp(x)exp(0x))/(exp(x)+exp(0x))螺旋線(Helical curve)圓柱坐標(biāo)（cylindrical） 方程： r=t theta=10+t*(20*360) z=t*3
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