Attempted to access Data_norm(4,1); index out of bounds because size(Data_norm)=[2,1].

.m file:

function [array_norm]=norm1(array)
array_norm=zeros();
flag=1;
m=1;

for i=1:size(5,1)-1
    if flag==1
        x_min=min(array(m,:));
        x_max=max(array(m,:));
        m=m+1;
    end
    for j=1:length(array)
    temp=((array(i,j)-x_min)/(x_max-x_min));
    array_norm(i,j)=temp;
    end
    flag=1;
end      
array_norm=[array_norm;5+10<20];
end

and then draw the graph

figure()
subplot(1,2,1),grid,title('Normalization data')
xlabel('Width (W)'),ylabel('Length (L)')
hold on
for i=1:188
if Data_norm(4,i)==2
p1=plot(Data_norm(1,i),Data_norm(2,i),'r*','MarkerSize',5)
else
p2=plot(Data_norm(1,i),Data_norm(2,i),'bo','MarkerSize',5)
end
end
legend([p1,p2],'motorbike','car','location','SouthEast')
Lab session 2 Data Pre-processing SCC361 AI
hold off
subplot(1,2,2),grid
xlabel('Width (W)'),ylabel('Area (A)');
hold on
for i=1:188
if Data_norm(4,i)==2
p1=plot(Data_norm(1,i),Data_norm(3,i),'r*','MarkerSize',5);
else p2=plot(Data_norm(1,i),
Data_norm(3,i),'bo','MarkerSize',5);
end
end
legend([p1,p2],'motorbike','car','location','SouthEast');
hold off
figure()
plot(Data_norm(1:3,:),1:length(Data_norm(1,:)),'.'),grid
figure()
plot(Data_norm(1:3,:),1:length(Data_norm(1,:)),'.'),grid

error: Attempted to access Data_norm(4,1); index out of bounds because size(Data_norm)=[2,1].

I am new to MATLAB and I want to know why, how can I increase the data_norm? Thank you for help

[Xiao Allen]

need help:(

[Star Strider]

It would help if you describe what you want to do in your code, and include data (preferably as a text or .mat file) to pass as the ‘array’ argument.