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How do I plot parametric and polar curves

asked 2011-11-07 16:19:46 +0200

doladimeji gravatar image

updated 2017-01-08 12:09:32 +0200

FrédéricC gravatar image

How do I "ask" or input a command line for parametric and polar curves with other variables than x such as r, (theta), y etc? thank you

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answered 2011-11-07 16:47:52 +0200

Jason Grout gravatar image

updated 2011-11-07 16:48:45 +0200

I'm not quite sure what you're asking, but here's how to plot something with a different variable:

sage: var('theta')
sage: parametric_plot( (theta, theta^2), (theta,0,10))

You just need to declare your variables with var()

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thank you. thats answears part of my question. I am new to sage and i am not familiar with the command lines (how to tell sage to plot parametric or polar curves). I have plots like x=t-3, y =t^2 + 5 (parametric) and r = 2+ cos((5theta)/2) [Polar] Finally, how I adjust/set a scale so that all my graph shows? How do i tell sage to plot these for me? Thanks.

doladimeji gravatar imagedoladimeji ( 2011-11-07 16:56:11 +0200 )edit

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Asked: 2011-11-07 16:19:46 +0200

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Last updated: Nov 07 '11