A validation for the invariant imbedding method for the case of a general forcing term g in the Fredholm integral equation. The theorem developed here begins with the analytic results of RM-6037 (in which the discussion is limited to the case when the forcing term g is an exponential function) and completes the formal validation for initial-value procedures by showing that the solution of a Cauchy problem satisfies the original functional equation. The analytical results of these two studies will be of computational interest in that they add to the feasibility and efficacy of the imbedding approach. 17 pp. Refs. (KB)
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