Error :RelTol must be a positive scalar.

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LALE ASIK
LALE ASIK 2018-11-5
编辑： LALE ASIK 2018-11-5
options=odeset('RelTol','1e-3','AbsTol','1e-4');
I am trying to plot phase portraits for a non autonomous system. The code gives me the following error: Error using odearguments (line 126) RelTol must be a positive scalar.
Could you please help me to fix it?

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madhan ravi
madhan ravi 2018-11-5
options=odeset('RelTol',1e-3,'AbsTol',1e-4);

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