Determine the rotation matrix

Find the matrix representation of the following two-dimensional linear transformation: a rotation by $- \frac{\pi}{2}$ radians.

$R_{-\frac{\pi}{2}} = $

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demo/computeRotationMatrix

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Determine the rotation matrix

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2026-08-04 22:49:48 (CDT)

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{
  "M": {
    "_type": "ndarray",
    "_dtype": "float64",
    "_value": [
      [
        0,
        1
      ],
      [
        -1,
        0
      ]
    ]
  }
}

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Determine the rotation matrix

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