BLOG.CSHARPHELPER.COM: Category Archive for algorithms

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BLOG.CSHARPHELPER.COM: Category Archive for algorithms

Make a program that simulates rolling two 6-sided dice and compares the results to expected results in C#

Posted by Rod Stephens at 11/19/2012 3:00 PM | Add Comment

Calculate Fibonacci numbers in several ways in C#

Posted by Rod Stephens at 11/12/2012 9:35 PM | Add Comment

Use a cryptographic random number generator in C#

Posted by Rod Stephens at 11/7/2012 11:40 AM | Add Comment

Recursively draw equations in C#

Posted by Rod Stephens at 11/2/2012 3:19 PM | View Comments (2) | Add Comment

Use a for loop to recursively iterate over the items in an array with an unknown number of dimensions in C#

Posted by Rod Stephens at 10/30/2012 7:40 AM | Add Comment | Trackbacks

Warp images arbitrarily in C#, Part 2

Posted by Rod Stephens at 10/4/2012 12:31 PM | Add Comment

Warp images arbitrarily in C#

Posted by Rod Stephens at 10/2/2012 5:21 PM | View Comments (1) | Add Comment

Draw animated exploding 3-dimensional pie slices in C#

Posted by Rod Stephens at 9/28/2012 9:10 AM | Add Comment

Draw 3-dimensional pie slices in C#

Posted by Rod Stephens at 9/27/2012 8:21 AM | Add Comment

Calculate where a line segment and an ellipse intersect in C#

Posted by Rod Stephens at 9/24/2012 6:17 AM | Add Comment

Draw a pie chart with labels and annotations in C#

Posted by Rod Stephens at 9/18/2012 8:50 AM | Add Comment

Draw a labeled pie chart in C#

Posted by Rod Stephens at 9/17/2012 11:29 AM | Add Comment

Draw a pie chart in C#

Posted by Rod Stephens at 9/14/2012 9:30 AM | Add Comment

Initialize a Random object to produce a repeatable series of "random" numbers in C#

Posted by Rod Stephens at 9/10/2012 3:18 PM | Add Comment

Generate random polygons in C#

Posted by Rod Stephens at 8/29/2012 7:59 AM | Add Comment

Calculate the present value of a future amount of money in C#

Posted by Rod Stephens at 8/7/2012 7:43 AM | Add Comment

Add LINQ to the example that suggests words based on what the user is typing in C#

Posted by Rod Stephens at 8/1/2012 2:25 PM | Add Comment

Improve the example that suggests words based on what the user is typing in C#

Posted by Rod Stephens at 7/30/2012 8:45 AM | Add Comment

Suggest words based on what the user is typing as a smart phone does in C#

Posted by Rod Stephens at 7/27/2012 10:22 AM | Add Comment

Use the yield statement to make an enumeration in C#

Posted by Rod Stephens at 6/26/2012 7:08 AM | Add Comment

Use the Sieve of Eratosthenes to find prime numbers in a range in C#

Posted by Rod Stephens at 6/25/2012 2:56 PM | Add Comment

Compare sorting algorithms in C#, article 5 of 5

Posted by Rod Stephens at 6/22/2012 6:20 AM | Add Comment

Compare sorting algorithms in C#, article 4 of 5

Posted by Rod Stephens at 6/21/2012 6:17 AM | Add Comment

Compare sorting algorithms in C#, article 3 of 5

Posted by Rod Stephens at 6/20/2012 6:16 AM | Add Comment

Compare sorting algorithms in C#, article 2 of 5

Posted by Rod Stephens at 6/19/2012 6:12 AM | Add Comment

Compare sorting algorithms in C#, article 1 of 5

Posted by Rod Stephens at 6/18/2012 6:02 AM | View Comments (6) | Add Comment

Draw a star with a given number of points in C#

Posted by Rod Stephens at 6/4/2012 7:56 AM | Add Comment

Parse file sizes in KB, MB, GB, and so forth in C#

Posted by Rod Stephens at 6/1/2012 7:22 AM | Add Comment

Pixellate parts of an image in C#

Posted by Rod Stephens at 5/23/2012 7:29 AM | Add Comment

Draw a phi spiral (or golden spiral) in C#

Posted by Rod Stephens at 5/17/2012 7:19 AM | View Comments (3) | Add Comment

Use image processing techniques to pixellate an image and create other effects in C#

Posted by Rod Stephens at 5/16/2012 6:46 AM | Add Comment

Make a hangman game in C#

Posted by Rod Stephens at 4/19/2012 8:53 AM | Add Comment

Use LINQ to select specific words from a file to build a dictionary in C#

Posted by Rod Stephens at 4/18/2012 9:41 AM | Add Comment

Draw a nested series of golden rectangles in C#

Posted by Rod Stephens at 4/17/2012 5:36 PM | View Comments (2) | Add Comment

Examine the relationship between the Fibonacci sequence and phi in C#

Posted by Rod Stephens at 4/16/2012 9:02 AM | Add Comment

Make extension methods that randomize arrays and lists in C#

Posted by Rod Stephens at 4/4/2012 8:34 AM | Add Comment

Platonic Solids Part 4: The dodecahedron and icosahedron

Posted by Rod Stephens at 3/29/2012 6:50 AM | Add Comment

Platonic Solids Part 3: The cube and octahedron

Posted by Rod Stephens at 3/28/2012 7:20 AM | Add Comment

Platonic Solids Part 2: The tetrahedron

Posted by Rod Stephens at 3/27/2012 7:27 AM | Add Comment

Platonic Solids Part 1: What are the Platonic solids?

Posted by Rod Stephens at 3/26/2012 8:21 AM | Add Comment

Use "banker's rounding" and "normal" rounding in C#

Posted by Rod Stephens at 3/22/2012 1:45 PM | Add Comment

Make a game where you control a cannon ball's angle and speed to try to hit a house in C#

Posted by Rod Stephens at 3/9/2012 5:06 PM | Add Comment

Extract text created by DrawString from a metafile in C#

Posted by Rod Stephens at 2/24/2012 11:02 AM | Add Comment

Enumerate the records in a metafile and skip some in C#

Posted by Rod Stephens at 2/23/2012 9:32 AM | Add Comment

Use BeginInvoke and a callback to perform tasks asynchronously in C#

Posted by Rod Stephens at 2/22/2012 8:58 AM | Add Comment

Use BeginInvoke and EndInvoke to perform tasks asynchronously in C#

Posted by Rod Stephens at 2/21/2012 9:08 AM | Add Comment

Recursively perform red-eye reduction on a picture in C#

Posted by Rod Stephens at 2/17/2012 9:39 AM | Add Comment

Perform red-eye reduction on a picture in C#

Posted by Rod Stephens at 2/15/2012 9:56 AM | View Comments (1) | Add Comment

Use a scroll bar to change the cutoff value for binary contrast enhancement in C#

Posted by Rod Stephens at 2/14/2012 1:05 PM | Add Comment

Perform binary contrast enhancement on an image in C#

Posted by Rod Stephens at 2/13/2012 9:10 AM | Add Comment

Loop over the entries in an array without knowing how many dimensions the array has in C#

Posted by Rod Stephens at 2/6/2012 2:33 PM | View Comments (1) | Add Comment

Add "extension properties" to classes in C#

Posted by Rod Stephens at 1/31/2012 6:07 AM | Add Comment

Make stable appointment assignments based on customer preferences in C#

Posted by Rod Stephens at 1/30/2012 7:23 AM | Add Comment

Graph an equation entered by the user in C#

Posted by Rod Stephens at 1/24/2012 1:17 PM | Add Comment

Graph an equation y = F(x) in C#

Posted by Rod Stephens at 1/23/2012 8:49 AM | Add Comment

Evaluate numeric expressions that are entered by the user in C#

Posted by Rod Stephens at 1/20/2012 12:30 PM | Add Comment

List the languages that you can compile with code in C#

Posted by Rod Stephens at 1/17/2012 7:57 AM | View Comments (1) | Add Comment

Compile code entered at run time, execute it, and get the return result in C#

Posted by Rod Stephens at 1/16/2012 2:54 PM | View Comments (5) | Add Comment

Find and display solutions to the "find the squares" puzzle in C#

Posted by Rod Stephens at 1/11/2012 10:58 AM | Add Comment

Draw a large circle that circumscribes three smaller tangent circles in C#

Posted by Rod Stephens at 12/29/2011 8:25 AM | Add Comment

Animate a series of images in C#

Posted by Rod Stephens at 12/23/2011 9:19 AM | Add Comment

Animate moving interlocked gears in C#

Posted by Rod Stephens at 12/22/2011 11:07 AM | Add Comment

Draw gears in C#

Posted by Rod Stephens at 12/21/2011 12:09 PM | Add Comment

Puzzle: find the squares in C#

Posted by Rod Stephens at 12/19/2011 9:41 AM | Add Comment

Let a thread call a form's methods in C#

Posted by Rod Stephens at 12/16/2011 4:07 PM | Add Comment

Run Threads with different priorities in C#

Posted by Rod Stephens at 12/15/2011 9:17 AM | Add Comment

Use LINQ to order a list of words by the number of distinct letters they contain in C#

Posted by Rod Stephens at 12/14/2011 7:22 PM | Add Comment

Draw four interlocking Heighway dragons in C#

Posted by Rod Stephens at 12/13/2011 9:44 AM | Add Comment

Center a fractal Heighway dragon curve in C#

Posted by Rod Stephens at 12/12/2011 2:53 PM | Add Comment

Use XOR to swap two numbers in C#

Posted by Rod Stephens at 12/9/2011 11:36 AM | Add Comment

Draw a fractal Heighway dragon curve in C#

Posted by Rod Stephens at 12/8/2011 5:51 PM | Add Comment

Count the black and white pixels in an image in C#

Posted by Rod Stephens at 12/6/2011 11:43 AM | View Comments (2) | Add Comment

Find and display solutions to the equilateral triangles puzzle in C#

Posted by Rod Stephens at 12/5/2011 8:03 AM | Add Comment

Make and use bitmasks in C#

Posted by Rod Stephens at 12/3/2011 2:17 PM | Add Comment

Understand how to use bit masks in C#

Posted by Rod Stephens at 12/2/2011 3:29 PM | Add Comment

Make an extension method that randomizes a two-dimensional array in C#

Posted by Rod Stephens at 11/28/2011 9:21 AM | Add Comment

Draw an Apollonian gasket with circles filled by random colors in C#

Posted by Rod Stephens at 11/23/2011 10:49 AM | Add Comment

Draw an Apollonian gasket (or Apollonian packing) in C#

Posted by Rod Stephens at 11/22/2011 8:32 AM | Add Comment

Clone lists and arrays of objects in C#

Posted by Rod Stephens at 11/21/2011 8:35 AM | View Comments (1) | Add Comment

Use serialization to make deep clones of a class in C#

Posted by Rod Stephens at 11/19/2011 7:48 AM | View Comments (4) | Add Comment

Puzzle: find the equilateral triangles in C#

Posted by Rod Stephens at 11/18/2011 11:00 AM | Add Comment

Use the MemberwiseClone method and implement the ICloneable interface in C#

Posted by Rod Stephens at 11/17/2011 8:45 AM | Add Comment

Make shallow and deep clones of objects in C#

Posted by Rod Stephens at 11/16/2011 10:19 AM | Add Comment

Convert latitudes and longitudes into distances on the globe in C#

Posted by Rod Stephens at 11/15/2011 9:20 AM | Add Comment

Draw three circles and find circles that are tangent to all three in C#

Posted by Rod Stephens at 11/14/2011 7:49 AM | Add Comment

Find circles that are tangent to three given circles (Apollonius' Problem) in C#

Posted by Rod Stephens at 11/11/2011 6:51 AM | Add Comment

Use steganography to hide one large picture inside another in C#

Posted by Rod Stephens at 11/10/2011 7:32 AM | Add Comment

Use steganography to hide one picture inside another in C#

Posted by Rod Stephens at 11/9/2011 11:06 PM | Add Comment

Draw a circle through three points in C#

Posted by Rod Stephens at 11/8/2011 9:38 AM | View Comments (2) | Add Comment

Write a method to make a Region representing the non-transparent pixels in an image in C#

Posted by Rod Stephens at 10/28/2011 9:12 AM | Add Comment

Shape PictureBoxes by setting their regions in C#

Posted by Rod Stephens at 10/27/2011 12:07 PM | Add Comment

Make a generic TreeNode class that can draw trees oriented vertically or horizontally in C#

Posted by Rod Stephens at 10/25/2011 6:45 AM | View Comments (3) | Add Comment

Get font metrics in C#

Posted by Rod Stephens at 10/13/2011 9:32 AM | Add Comment

Measure character positions in a drawn string in C#

Posted by Rod Stephens at 10/12/2011 11:46 AM | Add Comment

Use scrollbars to select a color in RGB or HLS format in C#

Posted by Rod Stephens at 10/11/2011 10:08 AM | Add Comment

Convert colors from the RGB model to the HLS model and vice versa in C#

Posted by Rod Stephens at 10/10/2011 12:59 PM | View Comments (1) | Add Comment

Map numeric values to and from colors in a color gradient in C#

Posted by Rod Stephens at 10/7/2011 2:46 PM | Add Comment

Examine different investment strategies with Dow Jones Industrial Average data in C#

Posted by Rod Stephens at 10/6/2011 1:35 PM | Add Comment

Compress all of the JPG files in a directory in C#

Posted by Rod Stephens at 10/4/2011 6:52 AM | Add Comment

Use a binary search to quickly pick a JPG compression level in C#

Posted by Rod Stephens at 10/3/2011 7:43 PM | Add Comment

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