1 | initial version |

var("y") contour_plot( y^2 - x^3 - x == 0, (x,-5,5), (y,-5,5), fill=False, axes=true )

2 | No.2 Revision |

~~var("y")
~~var("y")

contour_plot( y^2 - x^3 - x == 0, (x,-5,5), (y,-5,5), fill=False, axes=true )

3 | No.3 Revision |

The function you ~~want ~~are looking for is ~~contour_plot.~~

var("y")**contour_plot**. The following works:

```
var("y")
contour_plot( y^2 - x^3 - x == 0, (x,-5,5), (y,-5,5), fill=False, axes=true
```~~) ~~)

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.