09/06/11 19:49:52
>>86-89
x[n] - B = (x[n-1] - B)(1-k) = ･････ = (x[0] - B)(1-k)^n = (A-B)(1-k)^n,
一般項は
x[N] = (A-B)(1-k)^N = C,
これをkについて解くと
k = 1 - {C/(A-B)}^(1/N),
09/06/11 19:49:52
>>86-89
x[n] - B = (x[n-1] - B)(1-k) = ･････ = (x[0] - B)(1-k)^n = (A-B)(1-k)^n,
一般項は
x[N] = (A-B)(1-k)^N = C,
これをkについて解くと
k = 1 - {C/(A-B)}^(1/N),