在功能中使用numpy，sympy创建符号矩阵？

My code:

我的代码：

def crearMatrix(name,shape=(2,2)):
    X = np.empty(shape)
    for i in range(shape[0]): #X.shape[1]
        for j in range(shape[1]):
            X[i][j] = Symbol("a"+'_{'+str(i*10+j+11)+'}')
    return X
def crearMatrix(name,shape=(