첨부파일의
label명령 중에서 \frac{}{}을 하면 에러가 납니다.
어떻게 하면 치료할 수 있는지요
현답을 기다리며 미리 인사드립니다. 꾸벅.
(PS) *.mp 파일이 업로드가 안되서 복사하였습니다.
verbatimtex
\input kotexutf.tex
etex;
%input metafun
def nowsize = %------------ currentpicture size grid ------------------------------
save ulcor, llcor, urcor, lrcor; pair ulcor, llcor, urcor, lrcor;
ulcor = ulcorner currentpicture;
llcor = llcorner currentpicture;
urcor = urcorner currentpicture;
lrcor = lrcorner currentpicture;
for i=0 upto (ceiling((xpart urcor - xpart ulcor)/0.5cm)):
draw ((ulcor)--(llcor)) shifted (i*0.5*cm, 0) dashed withdots scaled 0.5 withcolor red;
endfor;
for i=0 upto (ceiling((ypart urcor - ypart lrcor)/0.5cm)):
draw ((llcor)--(lrcor)) shifted (0,i*0.5*cm) dashed withdots scaled 0.5 withcolor red;
endfor;
for i=0 upto (ceiling((xpart urcor - xpart ulcor)/1cm)):
draw ((ulcor)--(llcor)) shifted (i*cm, 0) withcolor red;
endfor;
for i=0 upto (ceiling((ypart urcor - ypart lrcor)/1cm)):
draw ((llcor)--(lrcor)) shifted (0,i*cm) withcolor red;
endfor;
enddef;%------------ currentpicture size grid ---------------------------------------
def drawxx(expr xa, xb) = %-------------draw x, y axes-------------------------------
drawarrow ((xa,0)--(xb,0)) scaled u; label.bot(btex $x$ etex,(xb, 0)scaled u);
enddef;
def drawyx(expr ya, yb) =
drawarrow ((0,ya)--(0,yb)) scaled u; label.lft(btex $y$ etex,(0, yb)scaled u);
enddef;
beginfig(1)
u:=1cm;
drawxx(-3,3);
drawyx(-3,3);
label.llft(btex O etex, (0,0));
draw fullcircle scaled 4cm;
label.lrt(btex $\sqrt{n}$ etex, (2cm, 0cm)); %<---------- works !
% label.urt(btex $\frac{1}{n}$ etex, (0cm, 2cm)); %<---------- not work !
label.urt(btex $\displaystyle \sum_{k=1}^{n} k$ etex, (2cm, 2cm)); %<---------- works !
nowsize
endfig;end
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