【numpy】paddingメモ
#--- 1次元配列 --- > a = [2,3] > np.pad(a,[1,0],"constant") np.array([0,2,3])#先頭に1個, 末尾に0個 0padding > np.pad(a,[1,2],"constant") np.array([0,2,3,0,0])#先頭に1個, 末尾に2個 0padding #-- 2次元配列 --- a = [[1,2],[3,4]] > np.pad(a,[(1,2),(3,4)],"constatnt") array([[0, 0, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 1, 2, 0, 0, 0, 0], [0, 0, 0, 3, 4, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0, 0], [0, 0, 0, 0, 0, 0, 0, 0, 0]])#行の先頭に1行, 行の末尾に2行, 列の先頭に3列, 列の末尾に4列 0padding