roots

Find polynomial roots.

📝 Syntax

• r = roots(p)

📥 Input argument

• p - vector: polynomial coefficients

📤 Output argument

• r - roots

📄 Description

r = roots(c) finds the roots of the polynomial c. r is a column vector.

This function uses the companion matrix of the polynomial to find the roots.

💡 Example

p = [1 0 0 0 -1];
r = roots(p)

🔗 See also

poly.

🕔 History

Version	📄 Description
1.0.0	initial version