Abstract
In this paper, we use the implicit Euler formula to establish the mathematical model of the local truncation error, and design the program of inserted source file. Through the inserted program of UDF source we get multimedia audio curve. This paper we use FLASH PLAYER software to cut the multimedia audio according to time axis and the audio intensity, and add up the error. Through the calculation we found, with the increasing number of iterations, the convergence residual of the numerical solution decreases gradually, the residual decreases from 0.122 to 0.011, which meets the design requirements. From the response index of classroom atmosphere we can see, as time increases, the response index increases gradually, reaches 0.95, which obtains very good teaching effect. It provides the technical reference for research on the situation creation of psychological education.
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