\mathbfM = \sqrt2 \cdot \beginbmatrix \frac{\sqrt2}2 & -\frac{\sqrt2}2 \\ \frac{\sqrt2}2 & \frac{\sqrt2}2 \endbmatrix = \beginbmatrix 1 & -1 \\ 1 & 1 \endbmatrix. - AMAZONAWS 📅 March 11, 2026 👤 scraface Mar 11, 2026