Invalid expression. Check for missing multiplication operator, missing or unbalanced delimiters, or other syntax error. To construct matrices, use brackets instead of parentheses.

1 view (last 30 days)
>> data=imread('C:\Users\ASUS\OneDrive - Universitas Atma Jaya Yogyakarta\Pictures\Jeruk1.jpeg');
>> R=data(:,:,1);
>> G=data(:,:,2);
>> B=data(:,:,3);
>> gray=0.3333*R+0.3333*G+0.3333*B;
>> [m,n]=size(gray);
>> for i=1:256,
H(i)=0;
end,
>> for k=1:m,
for 1=1:n,
for 1=1:n,
Invalid expression. Check for missing multiplication operator, missing or unbalanced delimiters, or other syntax
error. To construct matrices, use brackets instead of parentheses.

Answers (2)

Steven Lord
Steven Lord on 16 Apr 2021
for 1=1:n,
The number 1 is not a valid variable name in MATLAB and so cannot be used as the loop variable in a for loop.

Bruno Luong
Bruno Luong on 16 Apr 2021
Edited: Bruno Luong on 16 Apr 2021
The for loop varable is lowercase L char "l" (l), not one "1" (1)
for l=1:n

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!