Python Numpy类型错误:ufunc ' islimited '不支持输入类型

Here's my code:

这是我的代码:

def topK(dataMat,sensitivity):
    meanVals = np.mean(dataMat, axis=0)
    meanRemoved = dataMat - meanVals
    covMat = np.cov(meanRemoved, rowvar=0)
    eigVals,eigVects = np.linalg.eig(np.mat(covMat))
def topK(dataMat,se