ocr: bz+c a w= dz 3 dz The derivatives of these functions are d A di--c - w=d dz dz dz2 Sozbuffering gives better resolutionif -C - - - >d dz2 That is, if V-c Z<- - - d (Don't panic, C will always be negative). Applying the definitions ofcand d, this converts to 2/3g Zn/2f 1-2n/2
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