![]() ![]() Iterative Solution using Excel Goal Seek Before we can use Goal Seek to iterate to a solution for the friction factor, we need to define an Objective. Circular references occur when a cell refers either directly or indirectly to the cell in which formula is stored. ![]() Usually, Excel reaches sufficiently accurate results in as few as three iterations. ![]() In Excel, Maximum iteration is 100 and Maximum change is 0.001, it is a default setting in Excel. Normally, Excel operates fast enough that you won't notice the calculations taking place however, if you have a large worksheet with hundreds or thousands of formulas, the constant recalculation can make the spreadsheet freeze for a moment every time you alter a cell. Whenever you change something on a Microsoft Excel 2010 spreadsheet, the program will recalculate some of the cells in the worksheet, even some of those that did not change. ![]()
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