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Conversely, would the Indigenous response to the speech have been more unconditionally positive if Keating had been crystal clear that he was calling on only the non-Indigenous to open their hearts?
This quadratic form turns out to be unconditionally positive definite.
But one has to be careful: Manifold activities are not unconditionally positive.
Research shows that the UK public share some of these concerns; in surveys, very few people were unconditionally positive about the concept of geoengineering.
In the present paper, numerically robust, unconditionally positive and conservative schemes for the discretisation of stiff systems of production destruction equations are designed.
The procedure with respect to the derivation and analysis of the modified Patankar-type schemes can be used as a guideline to develop even unconditionally positive, conservative and third-order as well as higher order methods.
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Thanks to the loosely-coupled approach, the unconditionally positive-convergent implicit time-integration scheme for two-equation turbulence models (UPC) is used.
The key idea is the use of the unconditionally positive-convergent implicit scheme (UPC), originally developed for two-equation turbulence models.
The highly stiff Reynolds-averaged Navier Stokes (RANS) equations, coupled with turbulence and finite-rate chemical kinetics models, are integrated in time using the unconditionally positive-convergent (UPC) implicit method.
Furthermore, the scheme is shown to be unconditionally stable and positive.
The resulting parabolic-type equation lends itself to a straightforward Galerkin integration that yields a symmetric, diagonally dominant, positive, and unconditionally stable operator.
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