Category Archive for: Polar Plots

Getting a readout of polar plot coordinates

To-see a readout of polar plot coordinates of the specific points that make up a trace, follow these steps: • Click in the polar plot to select it. • Choose Graph-e. Trace from the Format menu to show the Polar Trace dialog box. • If necessary, reposition the Polar Trace dialog box so that you can…

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Labeling your polar plot

Mathcad provides several ways to help you to identify what it is you’ve plotted. You can display: • A title centered above or below the polar plot. • A legend identifying each trace. • The arguments you used to create the plot. The relative locations of each of these labels on a perimeter graph and on a…

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Setting default formats

Mathcad uses default settings to format the axes and traces of new polar plots as you create them. You can change these defaults in two ways: • By saving as defaults the settings of your current plot. • By using the Setting Default Formats for Polar Plots dialog box to set defaults, if.” you don’t want…

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Formatting individual curves

You can reformat the traces on your polar plot, using the Traces page of the dialog box for formatting polar plots. To reformat a plot’s traces: • Click in the polar plot to select it. • Double-click in the polar plot. Alternatively, choose GrapheePolar Plot from the Format menu. Mathcad displays the dialog box for formatting polar…

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Graphing more than one expression

Just as you can graph several expressions on a single Cartesian (X- Y) plot, you can graph several expressions on the same polar plot. Each expression generates a trace. A polar plot can show several r expressions against the same 8 expression, or it can match up several r expressions with corresponding 8 expressions. To graph several r…

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Setting limits for axes

Mathcad sets the upper and lower radial axis limits by default. For a linear scale, the upper limit is the maximum radial value of whatever is plotted. The lower limit is zero. For a logarithmic scale, the upper limit is set to the next higher integer power of ten above the maximum of the data. The lower limit…

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Formatting the axes

You can reformat your polar plot’s axes, using the Polar Axes page of the dialog box for formatting polar plots. To change a polar plot’s format: • Click in the polar plot to select it. • Double-click in the polar plot. Alternatively, choose Graphee-Polar Plot from the Format menu. You’ll see the dialog box for formatting polar…

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Polar Plots

Creating a polar plot Mathcad’s polar plot operator lets you plot functions that do not lend themselves well to Cartesian (x- y) coordinates. A typical polar plot shows the value of a radial expression r versus an angular expression e. For example, you could use a polar plot to graph circular antenna patterns or electric field intensities around…

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