Chalkboard - v3.0.4
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    Function SEIR

    • Defines a SEIR epidemic model: S' = -βSI, E' = βSI - σE, I' = σE - γI, R' = γI.

      Parameters

      • beta: number = 1

        Infection rate

      • sigma: number = 1

        Incubation rate

      • gamma: number = 1

        Recovery rate

      Returns ChalkboardODE

      const ode = Chalkboard.diff.SEIR(0.8, 0.2, 0.1);
      const derivative = ode.rule(0, [0.99, 0.01, 0, 0]); // Evaluates an SEIR state