Equation 4 is an integral equation representation of the stock-flow structure presented in Figure 1. It is not the only equation, however, that is equivalent to Figure 1. A differential equation representation of Figure 1 is:
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Equation 4 is an integral equation representation of the stock-flow structure presented in Figure 1. It is not the only equation, however, that is equivalent to Figure 1. A differential equation representation of Figure 1 is:
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