Figure 6: Online model self-calibration result. Lines are the hybrid model prediction results, points are computational experimental data. Black line: initial prediction of the hybrid model (at the beginning of Day 1). Dashed line: prediction of the hybrid model after calibration at the end of Day 1. Blue line: prediction of the hybrid model after calibration at the end of Day 3. (a): biomass concentration; (b): nitrate consumption; (c): lutein production.