Plot returns one point
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Hello everybody, I'm having problem with plotting, here's my piece of code
a=0;
b=5;
n=100;
s=zeros(1,n);
z=0;
h=(abs(b-a))/n;
x=a:h:b;
y=(x.^0.5)+sin(x)+5;
for i=1:n
t=(y(i)+y(i+1))/2;
s=s+(y(i)+y(i+1)+4*t)*h/6;
end
plot(n,s)
plot returns only one point, I can't really think of way to make 's' variable saved as vector so it could plot properly, i'd appreciate any help
댓글 수: 1
Adam
2017년 12월 4일
What are you trying to do? There doesn't seem any point to having the s on the right side of the assignment.
Storing in an array would normally just be a case of adding the obvious array index:
s(n)=s(n)+(y(i)+y(i+1)+4*t)*h/6;
but in your case it isn't obvious what value of 's' you are trying to add. Are you attempting to accumulate values?
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