„Blockmatrix“ – Versionsunterschied
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revert - the point is that _any_ square matrix can be seen as a block matrix with one block, and in this representation it is trivially block diagonal |
I'm sorry for my previous mistake. Let's clarify this, to avoid confusion. Also minor lang in the same sentence. |
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where ''A''<sub>''k''</sub> is an square matrix; in other words, it is the [[Matrix addition#Direct sum|direct sum]] of ''A''<sub>1</sub>, …, ''A''<sub>''n''</sub>. Any square matrix can trivially be
==Application==
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