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About this app

Routh is an app for performing stability analysis of input-output systems using Routh-Hurwitz criterion. The user will be able to generate the full Routh-Hurwitz table, find all poles from the characteristic equation and visualize them in the complex plane.

Are you a professor and need to generate random exercises for your class?
Are you a student and need more exercises to practice for your exams?

The Routh app now has an exercise generator that randomizes exercises for 3 different difficulty levels and 5 types of exercises:

+ General problems (just randomize a normal exercise)
+ Row of zeros (special case of row of zeros)
+ Problems with an unknown gain K as a coefficient of the characteristic equation
+ Zero in the first column (special case)
+ Stability of closed-loop systems

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Updated on
Jan 24, 2020

Data safety

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What's new

- New algorithm for "zero in the first column" cases
- Now the user has the option to consider epsilon as a small negative number
- Reciprocal polynomial approach is available whenever a zero occurs in the first column
- New type of exercise: stability of closed-loop systems. The total amount of random exercises is now 1.5 million!
- A chronometer was implemented to keep track how fast you can solve the exercises!
- Bugs fixed and improvements