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Failed to evaluate Jacobian Expression in COMSOL plasma model

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March 13, 2024, 11:42	Failed to evaluate Jacobian Expression in COMSOL plasma model	#1
tomchiah Member Chiah Zi Jing Join Date: Oct 2023 Location: Xiamen University Malaysia (XMUM) Sepang, Malaysia Posts: 38 Rep Power: 2	Undefined variable. - Variable: Rion - Global scope Failed to evaluate Jacobian of expression. - Expression: d(Rion(comp1.plas.EpsilonE+comp1.plas.EpsilonI)t est(comp1.En),{test@64}) Failed to evaluate Jacobian of expression. - Expression: Rion(comp1.plas.EpsilonE+comp1.plas.EpsilonI)tes t(comp1.En)\| Can anyone help to solve this issue?

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comsol 6.1, jacobian matrix, plasma modeling, undefined variable

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