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The numbers appearing next to relations are the relation residuals. They indicate the calculated difference between the left hand side (LHS) and the right hand side (RHS) of the equation. Where this value shows '0', it usually indicates that 'direct solution' of the equation was used, so in other words the equation was simple enough that ASCEND could rearrange the formula to solve for the value of the unknown. Where this value shows a small number, such as 1e-13, it means that the solution of that relation was found by numerical methods; the solution in that case is not exact, but if the relation is shown as solved then it means that the solution was found to the desired tolerance as specified in the solver parameters. Marking this bug as 'resolved--won't fix' because there is nothing here that needs to change. One possibly enhancement to ASCEND would be a unified system for setting the display precision, eg significant figures being reported in the GUI. But that is a separate issue. |
- Anonymous
