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Excel's Formula - sisman

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Part V: Miscellaneous <strong>Formula</strong> Techniques<br />

Figure 17-16: A general-purpose, two-variable plotting workbook.<br />

The formula in cell B3 displays the value of z for the minimum values of x and y. The data table<br />

evaluates the formula for 25 equally spaced values of x and 25 equally spaced values of y. These<br />

values are plotted in the surface chart.<br />

This workbook, which is available on the companion CD-ROM, contains simple macros<br />

that enable you to easily change the rotation and elevation of the chart by using scroll<br />

bars. The file is named function plot 3D.xlsm.

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