Research on Subpixel Algorithm of Fixed-Point Tool Path Measurement

Table 3

Iterative process of root.

Number of iterations	P	Q	R	S
1	−19.372 − 2.547i	1.512 + 5.553i	−8.754 + 6.415i	−3.407 − 4.349i
2	73.797 − 61.853i	1.290 + 6.074i	−1.691 − 7.623i	−2.230 − 4.324i
3	35.058 − 8.776i	−0.755 + 11.781i	−11.648 + 1.478i	−2.4134 − 5.867i
…	—	—	—	—
15	26.58 − 6.136i	6.537 − 1.473i	0.525 + 0i	3.461 − 2.286i
16	26.588 + 0i	6.537 + 0i	0.525 + 0i	3.461 + 0i