![]() (Note that Show uses the plot size and axes of its first argument-in this case, the regular plot of sin( x).) Using the function Show, you can combine the contour plot with a regular plot of sin( x): ![]() ![]() Instead of manually drawing the line representing x = π, you can use ContourPlot to visualize the relation: The Epilog option can include any combination of Mathematica‘s graphics directives, such as colors and dashing: Here’s a version with multiple dashed grid lines:Īnother way to get the vertical line x = π is to explicitly tell Plot to draw the line after it finishes plotting. You can also use GridLinesStyle to specify colors and styles. The setting GridLines → draws grid lines at the specified lists of points on the x– and y-axes. Any arrangement of horizontal and vertical lines can be produced using the GridLines option: The particular relation x = π is a single vertical line. There are a few different ways to combine a regular plot of a function with a visualization of a relation. You can plot two or more functions together by giving a list as the first argument of a function like Plot:īut a relation like x = π is not a function, since it doesn’t define a single function value for each x. How can I plot a function like sin(x) together with a relation like x = π? Today’s question is from Herbert, a reader of this blog: You can submit your question directly to the Q&A Team using this form. Got questions about Mathematica? The Wolfram Blog has answers! We’ll regularly answer selected questions from users around the web.
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