%% À§ ½º¸¶ÀÏÀÇ ¼Ò½º (inspired by ischo's children) %% latex -> dvips -> ps2pdf \documentclass[dvips]{oblivoir} \usepackage{pstricks-add} \begin{document} \begin{pspicture}[showgrid=false](-1,-1)(3,2) %\psaxes[ticks=none]{->}(-.5,-.5)(-1,-1)(2.5,3) \psset{linewidth=1.5pt,fillstyle=solid} \pscircle[fillcolor=yellow](1,1){1cm} \psarc[fillcolor=yellow](1,1){0.75}{193}{347} \psplot[algebraic]{1.65}{1.85}{-2/3*x+2} \psplot[algebraic]{0.15}{0.35}{2/3*(x+1)} \psellipse[fillcolor=black](.6,1.3)(.15,.25) \psellipse[fillcolor=black](1.4,1.3)(.15,.25) \pscircle[fillcolor=white](.55,1.4){.8mm} \pscircle[fillcolor=white](1.35,1.4){.8mm} \end{pspicture} \end{document}
%% À§ 3Â÷ ÇÔ¼öÀÇ ±×·¡ÇÁÀÇ ¼Ò½º \documentclass[dvips]{oblivoir} %\usepackage{pstricks-add} \usepackage{pst-func} \begin{document} \psset{unit=1.3} \begin{pspicture}(-1.5,-1.3)(3.2,1.8) \psaxes[Dy=2,labelFontSize=\tiny](0,0)(-1.5,-1.3)(3.2,2.2) \psset{coeff=1 -0.5 -1 0.5,plotpoints=1000,linewidth=1.2pt} \psset{dotscale=1.5} \psPolynomial[markZeros,linecolor=blue]{-1.3}{2.6} \psset{zeroLineStyle=dotted,dotsep=1pt,zeroLineTo=0} \psset{coeff=1 -0.5 -1 0.5,markZeros,dotstyle=o} \psPolynomial[Derivation=1,linestyle=none]{-0.67}{2} \uput[u](3,1.7){$f(x)=1-0.5x-x^2+0.5x^3$} \end{pspicture}\psset{unit=1cm} \end{document}