diff --git a/README.rst b/README.rst index 53d405d..db30715 100644 --- a/README.rst +++ b/README.rst @@ -480,6 +480,18 @@ Craftsman A = np.repeat(np.arange(len(C)), C) print A +4. How to compute averages using a sliding window over an array ? + + .. code-block:: python + + # Author: Jaime Fernández del Río + + def moving_average(a, n=3) : + ret = np.cumsum(a, dtype=float) + ret[n:] = ret[n:] - ret[:-n] + return ret[n - 1:] / n + Z = np.arange(20) + print moving_average(Z, n=3) Artisan @@ -557,7 +569,7 @@ Adept .. code-block:: python - # Stéfan van der Walt + # Author: Stéfan van der Walt Z = np.arange(1,15,dtype=uint32) R = stride_tricks.as_strided(Z,(11,4),(4,4)) @@ -587,7 +599,7 @@ Expert .. code-block:: python - # Chris Barker + # Author: Chris Barker Z = np.random.randint(0,5,(10,10)) n = 3