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Table 1 System (24): Fixed-point map g with different choices of s

From: A generalized multivariable Newton method

f(x)

s(x)

g(x)

\(\begin{bmatrix} {x_{2}}x_{1}^{3}-1 \cr {x_{1}}x_{2}^{3}-1 \end{bmatrix} \)

\(\begin{bmatrix} {x_{1}} \cr {x_{2}} \end{bmatrix} \)

\(\begin{bmatrix} {x_{1}}-(2x_{1}^{3}x_{2}^{3} - 3x_{2}^{2} + x_{1}^{2})/(8x_{1}^{2}x_{2}^{3}) \cr {x_{2}}-(2x_{1}^{3}x_{2}^{3} - 3x_{1}^{2} + x_{2}^{2})/(8x_{1}^{3}x_{2}^{2}) \end{bmatrix} \)

\(\begin{bmatrix} x_{1}^{3} \cr x_{2}^{3} \end{bmatrix} \)

\(\begin{bmatrix} \sqrt[3]{x_{1}^{3} - 3(2x_{1}^{3}x_{2}^{3} - 3x_{2}^{2} + x_{1}^{2})/(8x_{2}^{3}}) \cr \sqrt[3]{x_{2}^{3} - 3(2x_{1}^{3}x_{2}^{3} - 3x_{2}^{2} + x_{1}^{2})/(8x_{1}^{3}}) \end{bmatrix} \)