Why won't this plot?

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Serena Simpson
Serena Simpson 2020-9-18
评论： Star Strider 2020-9-19
%% Section 1: Initalization of Variables
%increments of x
x = -4:1:-1;
%
%The function we are given
y = x + (1 ./ (x.^2-1));
%% Section 2: Processing
plot(x,y)
axis([-15 15 0 15])
%I want to be able to see the y function appraching the verticle asymptote '-1' from the left but my function wont graph
  2 个评论
Asad (Mehrzad) Khoddam
Asad (Mehrzad) Khoddam 2020-9-18
First, use more points:
x = -4:.1:-1;
Then remove the axis limil:
% axis([-15 15 0 15])
Serena Simpson
Serena Simpson 2020-9-18
Thank you so much!

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采纳的回答

Star Strider
Star Strider 2020-9-18
The problem are the y-axis limits in the axis call.
Comment-out the axis call (as I do here) and you will immediately see the problem.
plot(x,y)
% axis([-15 15 0 15])
.
  4 个评论
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Serena Simpson
Serena Simpson 2020-9-19
It worked great! Thanks!
Star Strider
Star Strider 2020-9-19
As always, my pleasure!

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