matlab求点云平均距离？？？请指导

adogpp

下面是我的代码，但总提示维度不一致，望大神指点一二，非常感谢啦
8 B  h" b; Q) ]! K# F4 y8 Tfunction ave_dpoint=ave_dispoint(p)
k=8;
, c5 J" [# s6 e& v7 |: A8 s! {p_Mdl=KDTreeSearcher(transpose(p));
- P/ h8 S0 y2 d; o3 H6 xp_neighbors = transpose(knnsearch(p_Mdl, transpose(p), 'k', k+1));
3 v$ `& }- ~$ g9 km=size(p,2);
for i=1:m
. s  A. {0 D2 `! tx = p(:,p_neighbors(2:end, i));
y=sqrt((p(:,i)-x(:,i)).^2);
2 \% L6 [) h2 @8 |0 {+ nend
ave_dpoint=mean(y);
  \' G- T& h% t3 Hend
6 ~, f, K5 z( l

relchhiclty

顶一波