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rref and rank,transform matrix

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An Chan
An Chan 2017-12-11
关闭： John D'Errico 2017-12-12
for example A=[1 1 1; 2 3 4; 2 3 2] =>(row2 -2 row1;row3- 2 row 1) A=[1 1 1; 0 1 2; 0 1 0]=>(row3-row2)A=[1 1 1;0 1 2;0 0 -2];inputA=[1 1 1; 2 3 4; 2 3 2] and output [1 1 1;0 1 2;0 0 -2]; rankA = 3;as A is a random matrix;my question what is original code about rref and rank;
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John D'Errico
John D'Errico 2017-12-11
Do you want someone to provide the code for rref and rank? Hint: do this at the command line, and the code for those two functions will be revealed.
type rref
type rank

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