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2019年5月27日 · MATLAB中eye ()函数返回的是单位矩阵。 eye (N),返回N*N大小的单位矩阵；eye (M,N)、eye ( [M,N]),返回M*N的单位矩阵；eye (size (A))返回和矩阵A一样大小的单位矩阵；eye无参数时表示标量1.例：>> eye (2)ans = 1 0 0 1>> eye (2,3)ans ..._matlab eye

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2024年10月7日 · Seeing spots or floaters in your vision can look like specks, cobwebs, and threads that drift across your line of sight. They typically come and go, only becoming noticeable when you stare at a wide area like the sky. Most of the time, these spots aren’t serious and are a normal part of aging.

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numpy.eye() 函数通过指定矩阵的阶数（即行数或列数），来生成满足单位矩阵定义的矩阵。 N：输出的行数。 M：输出的列数。 如果为None，则默认为N；如果M和N都不为None，则输出形状为 (N,M)。 k：对角线的索引。 0表示主对角线，正数表示主对角线上方的对角线，负数表示主对角线下方的对角线。 dtype：输出的数据类型。 二、numpy.eye ()函数的用法. 下面我们通过几个例子来展示 numpy.eye() 函数的用法： # 生成一个3x3的单位矩阵 . I_3 = np.eye(3) print(I_3) # …