matrixf matrix_a={{10,3,2},{1,8,12},{6,5,4},{7,11,9}};
Print("matrix_a\n",matrix_a);
vectorf cols_mean=matrix_a.Mean(0);
vectorf rows_mean=matrix_a.Mean(1);
float matrix_mean=matrix_a.Mean();
Print("cols_mean ",cols_mean);
Print("rows_mean ",rows_mean);
Print("mean value ",matrix_mean);
/*
matrix_a
[[10,3,2]
[1,8,12]
[6,5,4]
[7,11,9]]
cols_mean [6,6.75,6.75]
rows_mean [5,7,5,9]
mean value 6.5
*/
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