On Numerical Radius of a Matrix and Estimation of Bounds for Zeros of a Polynomial

Table 3

No. of iterations	𝑎4^(𝑚)	𝑎3^(𝑚)	𝑎2^(𝑚)	𝑎1^(𝑚)	𝑎0^(𝑚)	𝑟𝜎𝐶((𝑞(𝑧)))
0	−1	0	0	0	−2^−5	2.85
1	−1	0	−2^−4	0	−2^−10	2.40
2	−1	−2^−3	−2^−9	−2^−13	−2^−20	2.20
3	−1.25	31×2^−12	13×2^−19	3×2^−28	−2^−40	2.11
4	1.547363281	0.000119	0	0	0	2.07
5	2.394094544	0	0	0	0	2.05