lib/field/derivative.cc
void derivative::calcDerivative1_z(blitz::Array<real, 3> outputMat) {
    outputMat(fullRange, fullRange, blitz::Range(0, F.F.ubound(2) - 1)) = central12n(F.F, 2);
    outputMat *= invDelz;

    outputMat = z_Metric(k)*outputMat(i, j, k);
}
/**
 ********************************************************************************************************************************************
 * \brief   Function to compute the first derivative of the field with respect to z [second order accurate central difference]
 *
 *          This function must be called using an output array whose shape and size should be same as that of the field
 *          
 ********************************************************************************************************************************************
 */
\brief   Function to compute the first derivative of the field with respect to z [second order accurate central difference]
This function must be called using an output array whose shape and size should be same as that of the field
\ brief Function to compute the first derivative of the field with respect to z [ second order accurate central difference ] This function must be called using an output array whose shape and size should be same as that of the field
void derivative::calcDerivative1_z(blitz::Array<real, 3> outputMat) {
    outputMat(fullRange, fullRange, blitz::Range(0, F.F.ubound(2) - 1)) = central12n(F.F, 2);
    outputMat *= invDelz;
    outputMat = z_Metric(k)*outputMat(i, j, k);
}
void derivative :: calcDerivative1_z ( blitz :: Array < real , 3 > outputMat ) { outputMat ( fullRange , fullRange , blitz :: Range ( 0 , F . F . ubound ( 2 ) - 1 ) ) = central12n ( F . F , 2 ) ; outputMat *= invDelz ; outputMat = z_Metric ( k ) * outputMat ( i , j , k ) ; }
\brief   Function to compute the first derivative of the field with respect to z [second order accurate central difference]
          This function must be called using an output array whose shape and size should be same as that of the field
\ brief Function to compute the first derivative of the field with respect to z [ second order accurate central difference ] This function must be called using an output array whose shape and size should be same as that of the field