i want to create M-Block for histogram in system generator for 1000 samples.i am loading following code but i am getting syntax error at line 3. please guide me to design a M-Block for histogram

function z1 = xlmax(z)
load ('newfile.txt');
a=newfile(:,1);
z=xlmax(a)
figure(1)
%plot(z)
sum(z)
figure(2);
pr=z./1000; 
stem(pr)
xlabel('Bin number','FontSize',10,'FontWeight','bold');
ylabel('Probability','FontSize',10,'FontWeight','bold');
end

Answer 1

[Image Analyst]

Use the debugger and look at the workspace. After you call load() is there suddenly a variable called newfile that is poofed into the workspace?

Answer 2

[Walter Roberson]

Replace

load ('newfile.txt');
a=newfile(:,1);

with

newfile = load('newfile.txt');