A Class of Steffensen-Type Iterative Methods for Nonlinear Systems

Table 1

Results of comparisons for different methods in Test 1 using 𝐱⁽⁰⁾=(1.88+0.2𝐼, 0.57−2.01𝐼, 1.00−0.27𝐼, 2.94+0.83𝐼, 0.84−0.13𝐼, −0.47+0.88𝐼, 0.12+0.14𝐼, 1.58−0.37𝐼, 2.55+0.18𝐼, −2.06+1.58𝐼)^𝑇.

Iterative methods	NM	SM	ZM	PM4
Number of iterations	7	9	4	5
The residual norm	3.73×10^−164	1.49×10^−153	4.14×10^−149	9.37×10^−173
COC	2.01	1.99	3.99	4.00
The elapsed time	0.35	1.00	1.23	0.37