Tag Archives: graph equation

Display tooltips on a graph of an equation entered by the user in C#

Posted on January 2, 2018 by RodStephens

This example draws a graph of an equation entered by the user and the displays a tooltip on it when you move the mouse over the graph. See the post Graph equations entered by the user in C# for information … Continue reading →

Posted in algorithms, drawing, graphics, mathematics, reflection | Tagged algorithms, C#, C# programming, drawing, example, example program, graph equation, graph function, graphics, mathematics, reflection, Windows Forms programming | Leave a comment

Graph equations entered by the user in C#

Posted on November 28, 2016 by Rod Stephens

This example draws a graph of an equation entered by the user by combining techniques from the following two posts: Evaluate numeric expressions that are entered by the user in C# Graph an equation in C# This example uses techniques … Continue reading →

Graph an equation in C#

Posted on November 27, 2016 by Rod Stephens

This example uses the the following MakeGraph method to draw the graph. // Make the graph. private void MakeGraph() { // The bounds to draw. float xmin = -3; float xmax = 3; float ymin = -3; float ymax = … Continue reading →

Posted in algorithms, drawing, graphics, mathematics | Tagged algorithms, C#, C# programming, drawing, example, example program, graph equation, graph function, graphics, mathematics, Windows Forms programming | Leave a comment

Plot functions in C#, Part 3

Posted on June 26, 2015 by Rod Stephens

This is the third example that shows how to plot functions that draw hearts. This time the function is: The following examples also draw heart-shaped functions. See the first for an explanation of how the programs work. Plot a heart-shaped … Continue reading →

Posted in algorithms, drawing, graphics, mathematics | Tagged algorithms, C#, C# programming, draw curve, drawing, example, example program, graph equation, graph function, graphics, mathematics, plot curve, plot equation, plot function, Windows Forms programming | Leave a comment

Plot functions in C#

Posted on June 25, 2015 by Rod Stephens

This example shows how to plot functions. This example plots a function that represents a heart shape. The earlier example Plot a heart-shaped function in C# shows how to draw a relatively complex heart-shaped function. Recently I saw a much … Continue reading →

See where two conic sections intersect in C#

Posted on November 10, 2014 by Rod Stephens

This example uses techniques demonstrated in several earlier posts to let you see where two conic sections intersect. To use the example, click the left mouse button five times each to select one conic section> Then click the right mouse … Continue reading →

Posted in algorithms, geometry, graphics, mathematics | Tagged algorithms, C#, C# programming, conic section, draw conic section, draw curve, draw ellipse, draw hyperbola, draw parabola, ellipse, equation, example, example program, geometry, graph equation, graphics, hyperbola, intersections, mathematics, parabola, points of intersection, Windows Forms programming | 1 Comment

Select a conic section in C#

Posted on November 10, 2014 by Rod Stephens

This example shows how you can let the user click five points to select a conic section. Recall that the equation for a conic section is: If you know the coordinates of some points on a conic section, then you … Continue reading →

Posted in algorithms, geometry, graphics, mathematics | Tagged algorithms, C#, C# programming, conic section, draw conic section, draw curve, draw ellipse, draw hyperbola, draw parabola, ellipse, equation, example, example program, geometry, graph equation, graphics, hyperbola, mathematics, parabola, select conic section, select curve, Windows Forms programming | Leave a comment

Draw a conic section from its polynomial equation in C#

Posted on November 2, 2014 by Rod Stephens

This example shows how to draw a conic section from its polynomial equation. A previous series of posts explained how to find the intersection between two ellipses. See these posts for more information about that: See where two ellipses intersect … Continue reading →

Posted in algorithms, geometry, graphics, mathematics | Tagged algorithms, C#, C# programming, conic section, draw conic section, draw curve, draw ellipse, draw hyperbola, draw parabola, ellipse, equation, example, example program, geometry, graph equation, graphics, hyperbola, mathematics, parabola, Windows Forms programming | 4 Comments

Pass a method to another method in C#

Posted on September 16, 2014 by Rod Stephens

This example shows how you can use delegates to pass a method to another method. The example Plot an equation containing two variables in C# shows how to draw a graph of a function even if you don’t really understand … Continue reading →

Posted in algorithms, drawing, graphics, mathematics, variables | Tagged algorithms, C#, C# programming, delegates, drawing, example, example program, graph equation, graphics, mathematics, pass function, pass method, plot equation, variables, Windows Forms programming | 3 Comments

Plot an equation containing two variables in C#

Posted on September 16, 2014 by Rod Stephens

This example shows one way you can plot an equation containing two variables with the format F(x, y) = 0. Some equations, such as y = 3 × x + 5, are easy to graph. Others are much harder. For … Continue reading →