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Warning: Matrix is singular, close to singular or badly scaled.

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LALE ASIK
LALE ASIK 2018 年 1 月 22 日
編集済み: LALE ASIK 2022 年 2 月 14 日
I am trying to draw a bifurcation diagram. The code gives me the following warning:
Warning: Matrix is singular, close to singular or badly scaled. Results may be inaccurate. RCOND = NaN.
> In ode15s (line 589)
> In NewBifur3 (line 21)
Could you please help me to fix it?

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回答 (2 件)

Image Analyst
Image Analyst 2018 年 1 月 28 日
Usually when I see that, I think it means I need to normalize (scale) my data.
Umesh Prajapati
Umesh Prajapati 2018 年 3 月 28 日
Check the second column of solution matrix. It is zero throughout. That's why you got the warning. It depends on the parameter value also. When you change those value result will also change.

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