Identity matrix: Difference between revisions
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(New page: In linear algebra, the '''identity matrix''' or '''unit matrix''' is the square matrix with ones on the main diagonal and zeros elsewhere. It leaves intact any matrix on multiplication...) |
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In [[linear algebra]], the '''identity matrix''' or '''unit matrix''' is the square matrix with ones on the main diagonal and zeros elsewhere. It leaves intact any matrix on multiplication by it (either on the left, or on the right). | In [[linear algebra]], the '''identity matrix''' or '''unit matrix''' is the square matrix with ones on the main diagonal and zeros elsewhere. It leaves intact any matrix on multiplication by it (either on the left, or on the right). | ||
[[category: mathematics]] |
Latest revision as of 11:19, 11 February 2008
In linear algebra, the identity matrix or unit matrix is the square matrix with ones on the main diagonal and zeros elsewhere. It leaves intact any matrix on multiplication by it (either on the left, or on the right).