Microsoft Excel's SUMIFS function calculates the sum of values in a range of cells based on multiple conditions. It avoids the need for complex filtering, and its conditions can be numbers, text, or ...

This is a preview. Log in through your library . Abstract In a previous work, Gregory and Wang gave efficient numerical methods to obtain global, pointwise, O(h2) a ...

For Runge-Kutta methods and linear multistep methods, much attention has been paid, in the literature, to special nonlinear stability properties indicated by the terms total-variationdiminishing (TVD) ...