Translations:Tail shaping and head shaping/29/en

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We have found the prediction-error filter in three ways, which resulted in equation 43, equation 45, and equation 47. For a prediction-error operator of a given length, the head-shaping method given by equation 45 produces the most accurate result. Equation 47, which is obtained by convolution of the spike filter with the head, gives the least accurate result.