(MATLAB) I need exact script please no comments in between

4) Create a 5 X 7 matrix in which the first row are the numbers 12 34567, the second row are the numbers 8 9 10 11 12 13 14, the third row are the numbers 15 through 21, and so on. From this matrix, create a new 3 X 5 matrix that is made from rows 2 through 4 and columns 1, 3 and 5 through 7 of the first matrix. 5) Create a 2 X 3 matrix where all elements are twos, a 1 X 3 vector where all elements are threes, a 3 X 2 matrix where all elements are fours, a 3 X 3 matrix where all elements nt anins Then starting with the matrix ll olaments are nines