The synchronization time in coupled N neurons (see chapter 4)The synchronization time of N linear SDE is determined by the second maximum eigenvalue of interaction matrix.

个耦合神经元的同步时间（见第三章） 本节的结论是N维线性随机动力系统的同步时间由相互作用矩阵的第二大特征值决定。

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Given a matrix of Mx N elements (M rows, N columns), return all elements of the matrix in diagonal order.

给定一个M行N列矩阵，用对角顺序返回矩阵的所有元素。

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RANDN (n) is an N-by-N matrix with random entries, chosen from a normal distribution with mean zero, variance one and standard deviation one.

是一个n - n矩阵随机作品，选自正态分布均值为零，方差一个标准偏差为一。

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The new solar structure consists of n-type nanocones made of zinc oxide surrounded by a p-type semiconductor matrix made of polycrystalline cadmium telluride.

FORBES: Nanocone-Tips Take Solar Cell Efficiency to Next Level