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分块矩阵怎么求逆？ - 知乎 下面是一些分块矩阵求逆公式： 另可参考 Block matrix on Wikipedia 2018 4 3 补充 补充两个参考文献，都是对工科很实用的矩阵手册： D S Bernstein, Matrix mathematics: Theory, facts, and formulas with application to linear systems theory Princeton, NJ: Princeton University Press, 2005 The Matrix Cookbook
《豪斯医生》中的医院硬件条件在2004年左右的美国处于什么水平？ - 知乎 University Medical Center at Princeton百度结果如下： 普林斯顿大学 医学中心，是美国最大的州立医学健康科学大学医院，属于全美仅有的获NICHE样本医院荣誉的46所医院之一。 连续6年获得由Leapfrog组织评比的病人安全评分A，美国放射学会认证其为“优秀乳腺影像中心”。
为什么数学教材这么多「显然」「易得」「注意到」「不妨设」等词汇？ - 知乎 Princeton曾经流传的数学家们对“显然 (obvious)”的定义。 if Wedderburn says it's obvious, everybody in the room has seen it ten minutes ago if Bohnenblust says it's obvious, it's obvious if Bochner says it's obvious, you can figure it out in half an hour