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In your XY (scatter) graph, double-click the scale of each axis. In the Format Axis box, select the Scale tab, and then check Logarithmic scale.

How to Create a Log-Log Graph in Excel Select the chart. Double-click the X-axis. From the Format Axis panel, click Axis Options. Under Axis Options, check Logarithmic Scale.

To tell Excel to use logarithmic scaling of the value (Y) axis, simply select the Logarithmic Scale check box and then click OK. Excel re-scales the value axis of your chart to use logarithmic scaling. Note that initially Excel uses base 10 logarithmic scaling.

If Y = log(y) and X = log(x) then Y = nX. This shows the linear relationship. Plotting Y against X, i.e., log(y) against log(x), leads to a straight line as shown below. (a) a (b) b (c) c (d) d Note that the scales on the two axes are not the same.

Graphing Logarithmic Functions The graph of inverse function of any function is the reflection of the graph of the function about the line y=x .The logarithmic function, y=logb(x) , can be shifted k units vertically and h units horizontally with the equation y=logb(x+h)+k .

The logarithmic scale is useful for plotting data that includes very small numbers and very large numbers because the scale plots the data so you can see all the numbers easily, without the small numbers squeezed too closely.

Ex: Plot Numbers on a Logarithmic Scale - YouTube YouTube Start of suggested clip End of suggested clip If we have the exponential equation b raised to the power of a equals c. The equivalent log equationMoreIf we have the exponential equation b raised to the power of a equals c. The equivalent log equation would be log base b of c equals a where b is the base.

A logarithmic scale is a nonlinear scale often used when analyzing a large range of quantities. Instead of increasing in equal increments, each interval is increased by a factor of the base of the logarithm. Typically, a base ten and base e scale are used.

If Y = log(y) and X = log(x) then Y = nX. This shows the linear relationship. Plotting Y against X, i.e., log(y) against log(x), leads to a straight line as shown below. (a) a (b) b (c) c (d) d Note that the scales on the two axes are not the same.

To create a log-log chart in Excel: Select the data that you want to plot. Click the Insert tab, and then click Scatter. Click Scatter with only Markers. Click OK. Right-click the x-axis, and then click Format Axis. Under Axis Type, click Logarithmic scale. Click OK. Right-click the y-axis, and then click Format Axis.