Matrix transpose of C language test question 170

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1、 subject

subject ： Let a matrix be m×n rank （ namely m That's ok n Column ）, The first i That's ok j The element of the column is a(i,j), The matrix needs to be transposed to n×m Matrix of order , Make the elements satisfy b(j,i)=a(i,j).

analysis ：
From the knowledge of Mathematics , Wrap all the elements of the first matrix around the lower right corner starting from the first row and first column 45° We're going to do a mirror reversal of the X-ray , The transpose of the matrix is obtained .

2 、 reminder

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