@interface AXMDataRegressionModelLogarithmic : AXMDataRegressionModel - (id)modelDescription; - (void)getInitialParams:(double *)a0; - (id /* block */)modelFunction; - (id)modelFunctionStringForParameters:(double *)a0 significantFigures:(int)a1; - (int)modelParameterCount; - (id)partialDerivatives; @end