Fig. 3 | Scientific Reports

Fig. 3

From: Modelling the dynamically consistent numerical methods for COVID-19 disease with cost effectiveness strategies

Fig. 3

Graphical illustration of RK-4 scheme with\(\left({\varvec{a}}\right) h=0.1,\left({\varvec{b}}\right) h=1,\left({\varvec{c}}\right) h=2.2, \text{and} \left({\varvec{d}}\right) h=2.4\). The values of fixed parameters are \(q=4.995, a=0.38974,{\tau }_{a}=0.03232,{u}_{1}=0.0301,{m}_{1}=1.2981,{\delta }_{a}=0.000011618,r=0.06813,\vartheta =0.0218,{t}_{b}=0.6450\)Generally.

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