plot y(i)

[EDIT: 20110513 13:39 CDT - reformat - WDR]

hi,

i have this sum:

for i=2:200
y=y+i;

how i can use plot to trace y=f(i)

thanks in advance

Answer 1

[Walter Roberson]

y = cumsum(2:200);
plot(y)

Or, using the for loop

x = 2:200;
numx = length(x);
y = zeros(numx,1);
ty = 0;
for i = 1:numx
  ty = ty + x(i);
  y(i) = ty;
end
plot(y)

[mouna]

yes; thank you very much

[bym]

you might also "accept" the answer

[mouna]

good morning,

for example in this same equation how i can plot 3 slabs (y1,y2,y3) in the same graph??

[Robert Cumming]

hold on

[Jan]

plot(y1); hold('on'); plot(y2); plot(y3)

[Walter Roberson]

Or,

plot(x,y1,x,y2,x,y3)