Help needed plotting very simple equation
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I want to plot:
y = x / (1+x^2)
Why does my output look like this? My code is within the screenshot as well.
Any help is greatly appreciated!
采纳的回答
It looks like that because only part of the function is visible in that plot.
A ‘zoomed in’ part of the plot reveals it to be continuous with a minimum at (-1, -0.5) and a maximum at (+1, +0.5) so there is nothing at all wrong with it.
f = -500 : 0.1: 500;
Y = f ./ (1 + f.^2);
figure
plot(f, Y)
grid
xlim([-3 3]) % X-Axes 'Zoomed' Around Origin
Experiment to explore it further.
.
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