How to put this in matlab by user which the dimensions of the table changes

Answer 1

[Walter Roberson]

N = 5;
syms i x_i w_i y_i L w
yi = sym('y_i', [1 N-1]);
yi = [0, yi, 0];
P = (0:N)/N;
M = [i, 0:N; x_i, L*P; w_i, w*P; y_i, yi]

M =