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java.lang.Objectorg.knime.base.node.mine.svm.kernel.PolynomialKernel
public class PolynomialKernel
Polynomial kernel of the form: (x * y + bias) ^ power.
Constructor Summary | |
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PolynomialKernel()
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Method Summary | |
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boolean |
areValid(double[] params)
test if the given combination of parameters is valid for this kernel. |
double |
evaluate(double[] a,
double[] b)
returns the value of the kernel given vectors a and b. |
double |
evaluate(DoubleVector a,
DoubleVector b)
evaluate the kernel. |
double |
getDefaultParameter(int index)
return the default parameter at the given index. |
int |
getNumberParameters()
2 parameters (bias and power). |
double |
getParameter(int index)
return the given parameter. |
String |
getParameterName(int index)
get the names of the 2 parameters. |
KernelFactory.KernelType |
getType()
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void |
setParameter(int index,
double value)
sets the given parameter. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public PolynomialKernel()
Method Detail |
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public double evaluate(DoubleVector a, DoubleVector b)
evaluate
in interface Kernel
a
- first vectorb
- second vector
DoubleVector
public double evaluate(double[] a, double[] b)
evaluate
in interface Kernel
a
- the first vectorb
- the second vector
public int getNumberParameters()
getNumberParameters
in interface Kernel
Kernel.getNumberParameters()
public String getParameterName(int index)
getParameterName
in interface Kernel
index
- first or second parameter?
Kernel.getParameterName(int)
public boolean areValid(double[] params)
Kernel
areValid
in interface Kernel
params
- the bias and power
Kernel.areValid(double[])
public void setParameter(int index, double value)
Kernel
setParameter
in interface Kernel
index
- first or secondvalue
- which valueKernel.setParameter(int, double)
public double getDefaultParameter(int index)
getDefaultParameter
in interface Kernel
index
- the parameter index.
public double getParameter(int index)
getParameter
in interface Kernel
index
- first or second?
Kernel.getParameter(int)
public KernelFactory.KernelType getType()
getType
in interface Kernel
KernelFactory.KernelType
of the Kernel
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