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Category Archives: mathematics
Calculate where a line segment and an ellipse intersect in C#
Finding the intersection between a line segment and an ellipse requires a lot of mathematics. It’s not particularly hard mathematics, but if you’d rather skip it, you can use the following links to jump to the other parts of this … Continue reading
Posted in algorithms, drawing, geometry, graphics, mathematics
Tagged algorithms, C#, C# programming, drawing, ellipse, ellipse line intersection, ellipse/line intersection, example, example program, geometry, graphics, intersection, line, line ellipse intersection, line segment, line/ellipse intersection, mathematics, Windows Forms programming
5 Comments
Produce a repeatable series of “random” numbers in C#
The Random class can generate a series of pseudorandom numbers. They’re called “pseudorandom” rather than “random” because the numbers are generated by a mathematical algorithm rather than by some completely unpredictable process such as observing a source of radioactive decay … Continue reading
Book Review: The Manga Guide to Linear Algebra
(Occasionally I post reviews of book that I think may interest programmers, in this case admittedly only those with a mathematical inclination.) The Manga Guide to Linear Algebra $24.95, 264 pages, 2012 By Shin Takahashi No Starch Press ISBN … Continue reading
Posted in books, mathematics
Tagged book reviews, books, C#, C# programming, example, example program, linear algebra, mathematics, Windows Forms programming
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Make extension methods to generate random double values in C#
This example adds extension methods to the Random class to generate double values within a specified range. The Random class provides methods for generating pseudorandom numbers. The Next method has three overloaded versions that produce a nonnegative integer, an integer … Continue reading
Calculate the present value of a future amount of money in C#
This example shows how to calculate the present value of a future amount of money. Suppose you want a certain amount of money in a given number of years and you know you can realize a specific interest rate (compounded … Continue reading
Compare the performance of simple arithmetic operations in C#
I saw a post the other day that said division was the slowest arithmetic operation so I wrote this example to see exactly how the performance of multiplication, division, addition, and subtraction differ with floating point numbers. When you click … Continue reading
Posted in mathematics, performance
Tagged addition, C#, C# programming, division, example, example program, mathematics, multiplication, performance, speed, subtraction, Windows Forms programming
1 Comment
Make a 3D globe in WPF and C#
This example shows how you can draw a 3D globe. More generally it shows how you can make a threedimensional textured sphere in WPF. The example Draw smooth spheres using WPF and C# shows how to make smooth colored spheres. … Continue reading
Posted in algorithms, drawing, geometry, graphics, mathematics, wpf, XAML
Tagged 3D, 3D globe, algorithms, C#, C# programming, drawing, example, example program, geometry, graphics, mathematics, sphere, tectured sphere, texture, Windows Forms programming, WPF, XAML
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