TABLE OF CONTENTS (CONTINUED) 



Page 

 PROFILE REGRESSION PROGRAM 21 



Input/Output Data Linkage 21 



Subroutines 22 



Reduction of Data Memory Volume Requirements 22 



Production Time 23 



APPENDIX A A-1 



FIGURES 



1 . Sample BT Profiles 2 



2. Lines Fit to a Profile Data Set 3 



3. Extreme Gradient Error Range 5 



4. Comparing Lines of Regression on Straight Line Sets » 5 



5. Graphical Solution Tolerance 7 



6. Intersection 11 



7. The "Three Level Tolerance" Algorithm 13 



8. Stylus Thickness Value, Regular Profile 15 



9. Stylus Thickness Value, Irregular Profile . 16 



10. Fitting Curvelinear Functions . . . « 20 



