Fig. 8.1 Pandemic dynamics in the world versus time in days. Accumulated number of cases
(V j and w j —“circles”; smoothed values—line, Eq. (8.1)). “Triangles” show the first derivative
(Eqs. (8.2) and (8.4)) multiplied by 100, “stars”—the second derivative (Eqs. (8.3) and (8.5))
multiplied by 1000
Fig. 8.2 Pandemic dynamics in Ukraine versus time in days. Accumulated number of cases
(V j and w j —“circles”; smoothed values—line, Eq. (8.1)). “Triangles” show the first derivative
(Eqs. (8.2) and (8.4)) multiplied by 100, “stars”—the second derivative (Eqs. (8.3) and (8.5))
multiplied by 1000
112
8 Identification of the New Waves of the COVID-19 Pandemic
(V j and w j —“circles”; smoothed values—line, Eq. (8.1)). “Triangles” show the first derivative
(Eqs. (8.2) and (8.4)) multiplied by 100, “stars”—the second derivative (Eqs. (8.3) and (8.5))
multiplied by 1000
Fig. 8.2 Pandemic dynamics in Ukraine versus time in days. Accumulated number of cases
(V j and w j —“circles”; smoothed values—line, Eq. (8.1)). “Triangles” show the first derivative
(Eqs. (8.2) and (8.4)) multiplied by 100, “stars”—the second derivative (Eqs. (8.3) and (8.5))
multiplied by 1000
112
8 Identification of the New Waves of the COVID-19 Pandemic