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| rev | Bot | (Created page with "<div class="d-none"><math> \newcommand{\mathds}{\mathbb}</math></div> {{Alert-warning|This article was automatically generated from a tex file and may contain conversion errors. If permitted, you may login and edit this article to improve the conversion. }}Work out the formula of the basic circulant almost Hadamard matrix <math display="block"> L_N=\frac{1}{\sqrt{N}} \begin{pmatrix} 1&-\cos^{-1}\frac{\pi}{N}&\cos^{-1}\frac{2\pi}{N}&\ldots\ldots&\cos^{-1}\frac{(N-1)\p...") | Apr 22'25 at 0:11 | +816 |