+ else if (matrix == "sim2") {
+ for(int i=0;i<nrows;i++) {
+ random_shuffle( co_matrix[i].begin(), co_matrix[i].end() );
+ }
+ //do this for the scoring since those all have nullmatrix as a parameter
+ //nullmatrix gets cleared at the begining of each run
+ nullmatrix = co_matrix;
+ }
+
+ else if(matrix == "sim4") {