티스토리 뷰
Parametric plot
do not press Stop, click continue twice
x=2.5*sin(2*t)
y=0.5*cos(t/2)
variable : t
from: 0 to:20
(%i7) | r ( θ ) : = 1 − cos ( θ ) ; |
r(θ):=1-cos(θ);
(%i8) | wxplot2d ( [ ' parametric , r ( t ) · cos ( t ) , r ( t ) · sin ( t ) , [ t , 0 , 20 ] ] , [ nticks , 300 ] , [ x , − 2 . 5 , 0 . 5 ] , [ gnuplot_postamble , "set zeroaxis;" ] ) $ |
(%i6) | wxplot2d ( [ ' parametric , 2 . 5 · sin ( 2 · t ) , 0 . 5 · cos ( t / 2 ) , [ t , 0 , 20 ] ] , [ nticks , 300 ] , [ x , − 10 , 10 ] , [ gnuplot_postamble , "set size ratio 1; set zeroaxis;" ] ) $ |
Discrete plot
(%i9)wxplot2d ( [ [ ' discrete , [ 0 , 1 , 2 , 3 , 4 , 5 ] , [ 0 , 2 , 5 , 7 , 9 , 12 ] ] ] , [ x , − 5 , 5 ] ) $
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