id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ejpam-4666	Rois, Muhammad Abdurrahman; Fatmawati; Alfiniyah, Cicik	Optimal Control of COVID-19 Model with Partial Comorbid Subpopulations and Two Isolation Treatments in Indonesia	2023	15	.pdf	application/pdf	4379	254	68	Math, 16 (1) (2023), 523-537 525 Figure 1: COVID-19 Model with Partial Comorbidity Sub-populations and Two Isolation Treatments dEN dt = α (β1SIN + β2SIC) N − δ1EN − µEN , dEC dt = (1− α) (β1SIN + β2SIC) N − δ2EC − µEC , dIN dt = δ1EN − h1IN − r1IN − d1IN − µIN , (1) dIC dt = δ2EC − h2IC − r2IC − d2IC − µIC , dHT dt = θh1IN + δh2IC − r3HT − d3HT − µHT , dHN dt = (1− θ)h1IN + (1− δ)h2IC − r4HN − d4HN − µHN , dR dt = r1IN + r2IC + r3HT + r4HN − µR. Based on Indonesian data, it can be concluded that the MAPE (Mean Absolute Per- centage Error) for model validation that we present in Figure 2 using the lsqcurvefit com- mand is 0.028579. IC − r4HN − d4HN − µHN ) + τ8 (r1IN + r2IC + r3HT + r4HN − µR) .	cache/ejpam-4666.pdf	txt/ejpam-4666.txt