Manuscript X-C-ST@1 · X-C-ST.tex · section · b679954e
Proof of record
Three-term variation and the completed identity › Proof of record · lines 1623–1635
The final term in (eq:var2) is essential. In particular,
propagates the first coordinate defect through the
response. Dropping it would give an incorrect
second-order off-plateau variation.
This is the proof-of-record structure of X-C
XC (:variation).
Displayed formulas in this passage
unlabeled · line 1627