submatrix code snippets in matlab

a 4x4 stiffness matrix 𝑲 is given as: 𝑲 = [12 −4 −2 0 −4 10 −3 1 −2 −3 5 −1 0 1 −1 6 ] extract the top-left 2x2 submatrix of 𝑲. in matlab

extract submatrix around (25,25) from a (50,50) matrix in matlab

extract submatrix around (25,25) size (10,10) from a (50,50) matrix in matlab

extract submatrix from a (50,50) matrix in matlab