#this is a comment
#to evaluate a line click on the line and hold the shift and enter keys
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center1 = (0,0,0); radius1 = 2;
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center2 = (1,1,1); radius2 = 1.5;
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#lets create some spheres
S1 = sphere(center1,radius1,color='pink',opacity=.5)
S2 = sphere(center2,radius2,color='purple',opacity=.5)
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#now lets plot them (put cursor in this box and hit shift+enter
S1 + S2
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#you can click on the image and drag and rotate it
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#now lets create some lines
L1 = line([(0,0),(1,3)]); L2 = line([(1,3),(-4,6)]); L3 = line([(-4,6),(0,0)])
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#and plot them
L1 + L2 + L3
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#now lets plot a function
var('x y z')
(x, y, z) (x, y, z) |
#the function is sin(x^2 +3*y)^3 and we are plotting it from x=-1 to 2 and from y=-3 to 1
#you can also rotate the plot
plot3d( sin(x^2 + 3*y)^3,(x,-1,2),(y,-3,1))
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#here is an implicit plot graphing the solution set to the equation x^2 + y^2 - z^2 - 2 = 0
#
implicit_plot3d(x^2 + y^2 - z^2 - 2,(x,-2, 2), (y,-2, 2), (z,-2, 2))
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