Nyquist plot - Changing the graph axes

2020 10 15
1 个回答
更新时间：2020 10 24
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Hello everyone
According to the following code why I see the graph like this:
and not like this :
my code
The most basic there is :
sys1 = tf([1 1 ],[1 -1 0])
nyquist(sys1),grid on

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回答（1 个）

Chaitanya Mallela
Chaitanya Mallela 2020-10-22

1 个投票

From the basic graph, you can observe that the axis points are different for real and imaginary. Try setting the equal axis and adjust the graph on the figure window.
sys1 = tf([1 1],[1 -1 0])
nyquist(sys1)
axis equal
grid on

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