qustion: i need matlab to generate the eqn1,2,...etc based on boundary condition using the equation: Ui,j=1/4[U​i+1,j+Ui-1​,j+Ui,j+1+​Ui,j-1]

% SOLVE EXAM
% A=U23 , B=U33 , C=U43 , D=U22 , E=U32 , F=U42 
syms A B C D E F 
eqn1= A - 0.25*E == 6.25;
eqn2=B-0.25*F-0.25*D == 4.45;
eqn3=C-0.25*E == 6.8;
eqn4=D-0.25*B==5.5;
eqn5=E-0.25*C-0.25*A==3.87;
eqn6=F-0.25*B==6.45;
[X,Y]=equationsToMatrix([eqn1,eqn2,eqn3,eqn4,eqn5,eqn6]);
n=linsolve(X,Y);
display(n)