document.write( "Question 1044262: 1. if A is a square matrix. What is meant by A is indepontent, nilpotent and involutory \n" ); document.write( "

Algebra.Com's Answer #659526 by ikleyn(52866) $\"\"$ $\"About$

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\n" ); document.write( "1. if A is a square matrix. What is meant by A is $\"highlight%28cross%28indepontent%29%29\"$ idempotent, nilpotent and involutory
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\n" ); document.write( "\n" ); document.write( "1. An idempotent matrix. See this Wikipedia article.\r
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document.write( "    In algebra, an idempotent matrix is a matrix which, when multiplied by itself, yields itself. \r\n" );
document.write( "    That is, the matrix M is idempotent if and only if MM = M. For this product MM to be defined, M must necessarily be a square matrix. \r\n" );
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\n" ); document.write( "\n" ); document.write( "2, 3. nilpotent and involutory\r
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document.write( "See corresponding Wikipedia articles found by GOOGLE, for example.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Wikipedia, GOOGLE and Internet are your friends and colossal source of information.\r
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