# How do I plot parametric and polar curves

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

How do I plot parametric and polar curves

add a comment

0

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

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

You just need to declare your variables with `var()`

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.

Asked: **
2011-11-07 09:19:46 -0500
**

Seen: **362 times**

Last updated: **Nov 07 '11**

Plot a polar curve given the radius?

help on using chain rule in Sage

"ALL" numerical solutions for system of equations

Multivariable taylor series with relationship between variables

Singular Implementation for Multivariable Polynomial Rings in v7.3

Plotting arrows at the edges of a curve

function field minimal polynomial

Copyright Sage, 2010. Some rights reserved under creative commons license. Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license.