矩阵<img src="https://storage.tutusouti.com/pzst/question_bank/res/59/85/5985c96b840f2f6e9b8016b40d7532e0e4d8e11e.jpg?x-oss-process=image/sharpen,200"/>的对应矩阵指数函数<img src="https://storage.tutusouti.com/pzst/question_bank/res/45/bf/45bf0500481d23eda9f4e004f15aaa998d90e912.jpg?x-oss-process=image/sharpen,200"/>= ( )