np.matrixmatrix(string/list/tuple/array/np.ndarray)mat(string/list/tuple...

基本数学运算加减乘除运算image-20201212204508955幂指对数运算image-20201212204548192 一维张量幂运算...

读取csv数据集文件pd.read_csv( filepath/buffer, header, names)image-202012121754...

slice 改变数组的形状obj.reshape(shape): return a new ndarrayobj.resize(shape): ...