The $1000 \times 1000$ matrix of ones

Example · High school

\[\begin{bmatrix} 1 & 1 & \cdots & 1 \\ 1 & 1 & \cdots & 1 \\ \vdots & \vdots & \ddots & \vdots \\ 1 & 1 & \cdots & 1 \end{bmatrix}\]

Terms

Term	This example	Why
sparse matrix	✗	None of its entries is zero.

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