python 内置函数filter class filter(object): filter(function or None, iterable) --> filter object Return an iterator yielding those items of iterable for which function(item) is true. If ...
python实现matlab中的filter函数 def filter_matlab(b,a,x): y = [] y.append(b[0] * x[0]) for i in range(1,len(x)): y.append(0) for j in range(len(b)): if i >= j : y[i] = y[i] + b[j] * x[i - j ] ...