Manuscript X-D@3 · X-D-v3.tex · section · b7774529

Integrating before estimating

D2: normal-flux estimate and the profile lemma › Integrating before estimating · lines 648–657

Let

C (t) = cos (t ∣ D ∣), S (t) = \frac{sin ( t ∣ D ∣ )}{∣ D ∣}, ∣ D ∣ = - Δ .

The sine quotient has its continuous value $t$ at frequency zero.

Displayed formulas in this passage

unlabeled · line 651
$C (t) = cos (t ∣ D ∣), S (t) = \frac{sin ( t ∣ D ∣ )}{∣ D ∣}, ∣ D ∣ = - Δ .$