Given the following matrix: a 11 3 -9 15 -5 7 11 13 17 19] find sum of columns, sum of rows, minimum value in each row, maximum value in each column, mean for rows, mean for columns. Set the values for matrix a that are less than mean to zero. Set the values for matrix a that are positives to zero.

Note:-

According to our bartleby answering guideline , we can only answer first three subpart of the question.

Please repost the remaining question.

Part A:- 

Code:-

a = [3 -5 7; -9 11 13; 15 17 19]
disp('Column_Sum')
sum(a)
disp('Row_Sum')
sum(a,2)
disp('Minimum value in each row')
min(a,[],2)
disp('Maximum value in each column')
max(a)
disp('Mean value of row')
mean(a,2)
disp('Mean value of column')
mean(a)

Code Screenshot part A:-

Output of part A:-