I am stuck on solving for the roots of a charactristic equation:(adsbygoogle = window.adsbygoogle || []).push({});

y'''- y''+y'-y=0

where I set r^3-r^2+r-1=0 and factored out r to get r*[ r^2-r +1] -1 =0 to get the real root of 1. How can I solve for the compex roots?

**Physics Forums - The Fusion of Science and Community**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# 3rd order ODE

Loading...

Similar Threads - order | Date |
---|---|

I A common 2nd order ODE from dynamics but... | Feb 28, 2018 |

A Solve a non-linear ODE of third order | Feb 20, 2018 |

A Numerical solution techniques for 6th order PDE's | Feb 3, 2018 |

A Numerical solution for a two dimensional 3rd order nonlinear diff. eq. | Jan 17, 2018 |

A Solving linear 2nd order IVP non-constant coefficient | Jan 10, 2018 |

**Physics Forums - The Fusion of Science and Community**