Routh's array in symbolic way

Version 2.0.0.0 (32.7 KB) by Carlos M. Velez S.
Routh's array of symbolic polynomials.
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Updated 12 Dec 2024

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[M,L,sol] = routh_hurwitz(P,par)
This function gives the Routh's array from a numerical or symbolic polynomial and includes two special cases: (1) the first element of the row is zero; (b) a row of zeros.
P - Numerical or symbolic array of coeficients. In the case of symbolic variables it is necesarry to define them as: syms a b c ...
par - Parameter in relation to which stability is determined (optional)
M - Routh's array without any simplification (e.g., with epsilon notation)
L - First column of Routh's array with simplification (e.g., using the limit when epsilon tends to zero)
sol - Stability condition

Cite As

Carlos M. Velez S. (2025). Routh's array in symbolic way (https://ch.mathworks.com/matlabcentral/fileexchange/33926-routh-s-array-in-symbolic-way), MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2024a
Compatible with any release
Platform Compatibility
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Version Published Release Notes
2.0.0.0

In the case of parameters in the polynomial, inequalities are calculated.
1.41.0.0

The function "limit" is used instead of "subs" function
1.4.0.0

It was fixed the problem when the last elements of a polynomial are zeros.
1.1.0.0

The input argument N was included
1.0.0.0