How to define thermal properties calculated by another function with temperature as input

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Hello,
I am using createpde to create a transient heat transfer model. The thermal properties of my product is a function of temperature but is not a linear function, and I wrote another function with temperature as the input to calculate the thermal properties. I found a linear function is usually written like this k = @(~,state) 0.3+0.003*state.u, how to write it for a non-linear function with temperature as the independent variable?
Thank you very much!
Best regards, Shengyue Shan

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Walter Roberson
Walter Roberson 2018년 10월 31일
In those models, state.u is the temperature, so go ahead and use any appropriate anonymous function, such as
@(location,state) 0.052*exp(3.6-state.u)
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