216page

2O8 y= (qle=^lt 6fl.J) @ +84-Ezll(spherical coordinate system) 2- +49-al.I ^ .1 tlxlE"l 10011 4szl 30" E d 4g= zl il4}grle E a 6[q ?+? (dil €) +=I _ E al ql ^ .1 4s, s^l EJH 4l E p(r, 0 )1 _ s.^l 6I= ql "l = zl ,l=Is zl p(x, y)E $ll6}tr x : rcos 0, y : rsin 0 olll. JB] EE v: 10cos30",y:10sin30' ol =-A x:8.660,y:5_tr- g7l€+. 3. E€ I -E^l HJH ql^i ,llzl] H+"JH 4 ul ul] zll tr+"JB e-l Fa g € E 6Iq ?+. (6I €) l. ul ullzfl tr+! (non-parametric equation)g +Ed o 6I+E €t 4"1 =IEalqr E6Iq E4gz+ E€ g + Bt= 4a4 ca+. @ 4xZlz| Ealzl tr € + str ql €d 4 "J g 4 s.l 9jtri. @ +dol+ +trol 'JEql 9l^l 9*zl4 4Al7l +qd a+ql= -r s,€ol qH z)4 EzL=6I+ 2. rJ] z}] Efzl(parametric equation)g +d O fi}4s-q E€6171 3r+. @ 2D/3D +d, +trel s,€ €4zI Hl+6I+. @ xifr*d/+EE s€"] €.olalrt. @ olE, qC, Scaling$ ,Jg E+ol A+. @ BgzI zl{g €+g _s€6}71 A+. @ €+g qels+ "Jtrql gdlq 4A tr€g + 9l+. rzl g -tr- cAD/cAM ^l.EJ qJ^.1 Egql- ,}] zI E+4g ^|gall gltrI. 4. g++dE ++= €E6Iqr+. (aI€) g+= oj - HJ'"rql^.1 aE6}L+ql r4e} CCg- +dg "J++. O fl(circle) : g+= "JesJ Z=ol^l d+6lq dzlE +d x' +y' r':0 C 4fl(ellipse): g+= El ^E612l €E6}q dzlE +d x'la' + y'b' : o irg 3-29 +z) @ Egd(parabola) : g+= fl+g A^Ie+ uJalalZl €Brl Czl= +d y' 4ax : 0 t:zB 3-30 +Z) @ %L+d(hyperbola) : g aZ zi *6;ts=_ €ErJ CzlE +d x'la' y'lb' 1 : o t:ufl 3 _ 31 +z)