Python 检查numpy数组是否为多维数组
我想检查numpy数组是否是多维的Python 检查numpy数组是否为多维数组,python,numpy,Python,Numpy,我想检查numpy数组是否是多维的 V = [[ -7.94627203e+01 -1.81562235e+02 -3.05418070e+02 -2.38451033e+02][ 9.43740653e+01 1.69312771e+02 1.68545575e+01 -1.44450299e+02][ 5.61599000e+00 8.76135909e+01 1.18959245e+02 -1.44049237e+02]] 在numpy中如何执行此操作?使用
V = [[ -7.94627203e+01 -1.81562235e+02 -3.05418070e+02 -2.38451033e+02][ 9.43740653e+01 1.69312771e+02 1.68545575e+01 -1.44450299e+02][ 5.61599000e+00 8.76135909e+01 1.18959245e+02 -1.44049237e+02]]
在numpy中如何执行此操作?使用ndarray的属性:
>>> a = np.array([[ -7.94627203e+01, -1.81562235e+02, -3.05418070e+02, -2.38451033e+02],[ 9.43740653e+01, 1.69312771e+02, 1.68545575e+01, -1.44450299e+02],[ 5.61599000e+00, 8.76135909e+01, 1.18959245e+02, -1.44049237e+02]])
>>> a.ndim
2
在某些情况下,还应添加
np.squence()
,以确保没有“空”维度
>>> a = np.array([[1,2,3]])
>>> a.ndim
2
>>> a = np.squeeze(a)
>>> a .ndim
1