Condition to Keep Susceptibles Positive (Q6674278)

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positive solution constraint
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Condition to Keep Susceptibles Positive
positive solution constraint

    Statements

    αΔt1
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    Necessary and sufficient condition to ensure that š‘†ā‚™, is positive for all initial conditions (and Iā‚™ < N). Implies that the time step At must be less than the average time required for a successful contact.
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