www.gusucode.com > 界面看成高一维空间中某一函数ψ源码程序 > levelsetcode/BoundMirrorShrink.m

    function B = BoundMirrorShrink(A)
[m,n] = size(A);
yi = 2:m-1;
xi = 2:n-1;
B = A(yi,xi);