diff options
Diffstat (limited to 'chart2/source/inc/ExponentialRegressionCurveCalculator.hxx')
-rw-r--r-- | chart2/source/inc/ExponentialRegressionCurveCalculator.hxx | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/chart2/source/inc/ExponentialRegressionCurveCalculator.hxx b/chart2/source/inc/ExponentialRegressionCurveCalculator.hxx index 91c3034ea79c..acecde281001 100644 --- a/chart2/source/inc/ExponentialRegressionCurveCalculator.hxx +++ b/chart2/source/inc/ExponentialRegressionCurveCalculator.hxx @@ -63,9 +63,10 @@ private: throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException); - // formula is: f(x) = m_fSlope ^ x + m_fIntercept - double m_fSlope; - double m_fIntercept; + // formula is: f(x) = exp(m_fLogIntercept) * exp( m_fLogSlope * x ) + // mathematical model f(x) = Intercept * Slope^x + double m_fLogSlope; + double m_fLogIntercept; }; } // namespace chart |