function outpt=TargetRand(n, search, target)
x=rand(n, 1);
y=rand(n,1);
z=rand(2,1);
if(z(1) <= 0.5)
target_sym='X';
not_target='O';
else
target_sym='O';
not_target='X';
end
if(z(2) <= 0.5)
target_col='r';
not_col='g';
else
target_col='g';
not_col='r';
end
if(strcmp(target, 'y') && strcmp(search, 'f'))
g=text(x(1), y(1), target_sym);
set(g, 'color', target_col);
for i=2:n
g=text(x(i), y(i), not_target);
set(g, 'color', target_col);
end
elseif(strcmp(target, 'n') && strcmp(search, 'f'))
for i=1:n
if(i<=n/2)
char='X';
else
char='O';
end
g=text(x(i), y(i), char);
set(g, 'color', target_col);
end
elseif(strcmp(target, 'y') && strcmp(search, 'c'))
if(n==4)
g=text(x(1), y(1), target_sym);
set(g, 'color', target_col);
for i=2:4
g=text(x(i), y(i), not_target);
set(g, 'color', not_col);
end
else
z=rand(1,1);
if(z <= 0.5)
unbal_feature='shape';
else
unbal_feature='color';
end
if(strcmp(unbal_feature, 'shape'))
g=text(x(1), y(1), target_sym);
set(g, 'color', target_col);
for i=2:(n/4+1)
g=text(x(i), y(i), target_sym);
set(g, 'color', not_col);
end
for i=(n/4+2):3*n/4
g=text(x(i), y(i), not_target);
set(g, 'color', target_col);
end
for i=(3*n/4+1):n
g=text(x(i), y(i), not_target);
set(g, 'color', not_col);
end
else
g=text(x(1), y(1), target_sym);
set(g, 'color', target_col);
for i=2:(n/4+1)
g=text(x(i), y(i), not_target);
set(g, 'color', not_col);
end
for i=(n/4+2):3*n/4
g=text(x(i), y(i), target_sym);
set(g, 'color', not_col);
end
for i=(3*n/4+1):n
g=text(x(i), y(i), not_target);
set(g, 'color', target_col);
end
end
end
else
if(n==4)
for i=1:2
g=text(x(i), y(i), target_sym);
set(g, 'color', target_col);
end
for i=3:4
g=text(x(i), y(i), not_target);
set(g, 'color', not_col);
end
else
for i=1:(n/4)
g=text(x(i), y(i), target_sym);
set(g, 'color', target_col);
end
for i=(n/4+1):(n/2)
g=text(x(i), y(i), not_target);
set(g, 'color', not_col);
end
for i=(n/2+1):(3*n/4)
g=text(x(i), y(i), not_target);
set(g, 'color', target_col);
end
for i=(3*n/4+1):n
g=text(x(i), y(i), target_sym);
set(g, 'color', not_col);
end
end
end
outpt=1;
