Drini-conjugatehyperbolas.svg
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Summary
| Description |
English:
The rectangular hyperbola x2-y2 and its conjugate, having the same asymptotes.
La bildo estas kopiita de wikipedia:en. La originala priskribo estas
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| Date | |
| Source | Based on File:Drini-conjugatehyperbolas.png |
| Author | Own work |
| Other versions |
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| SVG development |
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Maxima code
load(draw);
draw2d(terminal=svg,file_name="Drini-conjugatehyperbolas",
user_preamble="set key at 2.9,4",dimensions=[550,550],
xtics_axis=true,ytics_axis=true,grid=true,
xaxis=true,yaxis=true,axis_top=false,axis_bottom=false,axis_left=false,axis_right=false,
line_width=1.5,label(["x",4,0.2],["y",0.2,4]),
color=green,key="x^2- y^2=-1",explicit(sqrt(x^2+1),x,-4,4),
key="",explicit(-sqrt(x^2+1),x,-4,4),
color=blue,key="x^2- y^2= 1",explicit(sqrt(x^2-1),x,-4,-1),
key="",explicit(-sqrt(x^2-1),x,1,4),
explicit(sqrt(x^2-1),x,1,4),
explicit(-sqrt(x^2-1),x,-4,-1),
color=red,points_joined=true,line_type=dots,key="",nticks=1,
parametric(t,t,t,-4,4),key="asymptotes",parametric(t,-t,t,-4,4)
);
MATLAB code
line([0 0],[-4 4],'Color','k','LineWidth',2)
hold on
line([-4 4],[0 0],'Color','k','LineWidth',2)
h =ezplot ('x^2 - y^2 =1',[-4 4], [-4 4])
set(h,'LineWidth',2),hold on,grid on
h =ezplot ('x^2 - y^2',[-4 4], [-4 4])
set(h,'Color','r','LineWidth',2)
h =ezplot ('y^2 - x^2-1',[-4 4], [-4 4])
set(h,'Color','g','LineWidth',2)
title remove
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