5-15 A

1663 days 전, xyck78 작성

var('t') p=vector([1, -5, 6]) a=vector([-1,2,-3]) x=p+t*a print x print parametric_plot3d(x, (t, -5, 5))+plot(a, rgbcolor='red') 
       
(-t + 1, 2*t - 5, -3*t + 6)
(-t + 1, 2*t - 5, -3*t + 6)
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