japan.m

% create a 2-D matrix and paint it white 
I = uint8(zeros(300, 500, 3))+255; 

%the center point 1 through which the circle will pass 
circle_center1=150; 

%the center point 2 through which the circle will pass 
circle_center2=250; 

radius=6.32; % radius of the circle 
x=i;		 % x-axis co-ordinate 
y=j;		 % y-axis co-ordinate 

%loop for rows i.e. for x-axis 
for i = 101:200 

	%loop for columns i.e. for y-axis 
	for j = 101:300 
		
		%applying the equation of circle to make the circle in the center. 
		if round(sqrt((i-circle_center1)^2 + (j-circle_center2)^2)) < radius^2 
			
			% fill the circle with crimson glory 
			% color using RGB color representation. 
			I(i, j, 1) = 188; 
			I(i, j, 2) = 0; 
			I(i, j, 3) = 45; 
			
		end		
		
	end % end column loop. 
end	 % end row loop. 

% show the image formed. 
figure, imshow(I); 