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I trt to train a pre-designed SVM with RBF kernel. I want to fix the C and gamma value before train. I use

Mdl = fitcsvm(Xapp,Yapp,'KernelFunction','rbf','KernelScale', 1,'BoxConstraint', 1,...);

But after training, the C(BoxConstraint) and gamma(KernelScale) are changed. How could I fix them?

There are two links show how could they change the parameters. But I don't know if they could fix them until train finished. 1 2

Tsyvarev
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Zhengyang1995
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1 Answers1

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Set 'OptimizeHyperparameters' as 'none' instead of 'auto'

Zhengyang1995
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