初始化为的n维数组 features=np.empty(shape=(100,5,2), dtype=float) 我正在尝试将3D数组添加到其中 features[i,:] = features_nextfeatures_next的形状为(2,5,2)。但是,它会显示错误, ValueError: could not broadcast input array from shape (2,5,2) into shape (5,2).下面是这段代码: features=np.empty(shape=((histori