13 lines
246 B
JavaScript
13 lines
246 B
JavaScript
module.exports = determinant
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/**
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* Calculates the determinant of a mat2
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*
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* @alias mat2.determinant
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* @param {mat2} a the source matrix
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* @returns {Number} determinant of a
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*/
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function determinant(a) {
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return a[0] * a[3] - a[2] * a[1]
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}
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