TypeError: ufunc 'isnan' not supported for the input types, and the inputs could not be safely错误解决方法
将一个list矩阵转化为numpy数组之后，使用np.isnan()方法，报出了这么一个错误：TypeError: ufunc ‘isnan’ not supported for the input types, and the inputs could not be safely coerced to any supported types according to the casting ...
