[In Scheme]

6. The files "matrix l dat" and "matrix2.dat" are created using a text editor and contain two rectangular matrices. For example, matrix1.dat matrix2.dat 2 3 1 2 3 4 5 6 1 2 3 1 2 3 1 2 3 In both cases the first row contains the size of the matrix (the number of rows and the number of columns). The remaining rows contain the values of elements. (a) Develop programs row and col that read a matrix from a file and display a specified row