How to fix the Dot indexing is not supported for variables of this type error?

Question

vimal kumar chawda 2021-6-11

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/853725-how-to-fix-the-dot-indexing-is-not-supported-for-variables-of-this-type-error

编辑： Stephen23 2021-6-11

dtm.mat

clc;
clear all;
close all;
format long g;
load('dtm.mat')
dist_hwZ= repmat([0:100:(size(Z,1)-1)*100]',1,size(Z,2));
dist_rwZ = (repmat([0:100:(size(Z,2)-1)*100]',1,size(Z,1),1))';
thinned_dist_hwZ = dist_hwZ(1:5:end,1:5:end);
thinned_dist_rwZ = dist_rwZ(1:5:end,1:5:end);
% thinned_dist_rwZ = (thinned_dist_rwZ)';
thinned_Z = Z(1:5:end,1:5:end);
current_dist = NaN(size(thinned_dist_hwZ));
assigned_dist = current_dist;                %line23
for i = 1:length(thinned_dist_hwZ,1)
    for j=1:length(thinned_dist_hwZ,2)
       current_dist = sqrt(((thinned_dist_hwZ-thinned_dist_hwZ(i,j)).^2 + (thinned_dist_rwZ-thinned_dist_rwZ(i,j)).^2)');
       %compute distance not height     % sqrt delx^2 dely^2  approx 70 km distance of hypotenous 
                
if i==1 && j==1
    max_dist=max(max(current_dist));
end
        
        for k =1:round(max_dist/1e4)
            if k==1
                assigned_dist(current_dist<=k*1e4)=k;
            else
                assigned_dist(current_dist<=k*1e4 & current_dist>(k-1)*1e4)=k;
            end
            prod_Z = Z(assigned_dist==k).*Z(i,j);
            
            eval(['allClasses.i' num2str(i) ['.j' num2str(j) ['.k' num2str(k) '=prod_Z' ]]]);
                
            if k==1
                eval(['K1:prod_Z_' [num2str(i) '_' num2str(j)] '=prod_Z']); 
            elseif k==2
                eval(['K2:prod_Z_' [num2str(i) '_' num2str(j)] '=prod_Z']);                
            elseif k==3
                eval(['K3:prod_Z_' [num2str(i) '_' num2str(j)] '=prod_Z']);                  
            elseif k==4
                eval(['K4:prod_Z_' [num2str(i) '_' num2str(j)] '=prod_Z']);                 
             elseif k==5
                eval(['K5:prod_Z_' [num2str(i) '_' num2str(j)] '=prod_Z']);                 
            elseif k==6
                eval(['K6:prod_Z_' [num2str(i) '_' num2str(j)] '=prod_Z']);                 
            else
                eval(['K7:prod_Z_' [num2str(i) '_' num2str(j)] '=prod_Z']);                  
            end
        end
        imagesc(current_dist)
    end
end
fns = fieldnames(k);