Represents the interface to a fitting function.
Namespace: Altaxo.Calc.Regression.NonlinearAssembly: AltaxoCore (in AltaxoCore.dll) Version: 4.8.3179.0 (4.8.3179.0)
Syntax public interface IFitFunction
The IFitFunction type exposes the following members.
Properties Methods | Name | Description |
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| DefaultParameterValue |
Returns a default parameter value. You must ensure that the fit function would generate
values with those default parameters.
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| DefaultVarianceScaling |
Returns the default variance scaling for the dependent variable i.
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| DependentVariableName |
Returns the ith dependent variable name.
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| Evaluate(Double, Double, Double) |
This evaluates a function value.
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| Evaluate(IROMatrixDouble, IReadOnlyListDouble, IVectorDouble, IReadOnlyListBoolean) |
Evaluates the function values at multiple x-points.
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| GetParameterBoundariesHardLimit |
Gets the parameter boundaries that are really a hard limit, i.e. outside those limits,
the function would probably evaluate NaN values, or makes no sense.
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| GetParameterBoundariesSoftLimit |
Gets the intended parameter boundaries. This are soft limits, boundaries
so that the intended purpose of the fit function is fullfilled.
Example: in the exponential decay Exp(-a*t) a is intended to be positive. This is a soft limit,
and not a hard limit, because a could be also negative, and the fit nevertheless would succeed.
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| IndependentVariableName |
Returns the ith independent variable name.
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| ParameterName |
Returns the ith parameter name.
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TopEvents | Name | Description |
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| Changed |
Occurs when the fit function changed, including number or name of parameters, independent variables, dependent variables, or the scaling.
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TopSee Also