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BLOG.CSHARPHELPER.COM: Category Archive for mathematics
Use branch and bound to recursively find the highest value path through a two-dimensional array of numbers in C#
Posted by Rod Stephens at
3/27/2013 8:32 AM
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Recursively find the highest value path through a two-dimensional array of numbers in C#
Posted by Rod Stephens at
3/25/2013 9:59 AM
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Use the BigInteger structure in C#
Posted by Rod Stephens at
3/3/2013 2:49 PM
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Generate letters (or other random values) with given frequencies in C#
Posted by Rod Stephens at
1/23/2013 6:31 AM
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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
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Calculate Fibonacci numbers in several ways in C#
Posted by Rod Stephens at
11/12/2012 9:35 PM
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Warp images arbitrarily in C#, Part 2
Posted by Rod Stephens at
10/4/2012 12:31 PM
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Warp images arbitrarily in C#
Posted by Rod Stephens at
10/2/2012 5:21 PM
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Draw animated exploding 3-dimensional pie slices in C#
Posted by Rod Stephens at
9/28/2012 9:10 AM
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Draw 3-dimensional pie slices in C#
Posted by Rod Stephens at
9/27/2012 8:21 AM
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Calculate where a line segment and an ellipse intersect in C#
Posted by Rod Stephens at
9/24/2012 6:17 AM
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Graph the sine, cosine, and tangent functions in C#
Posted by Rod Stephens at
9/20/2012 12:43 PM
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Draw a pie chart with labels and annotations in C#
Posted by Rod Stephens at
9/18/2012 8:50 AM
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Draw a labeled pie chart in C#
Posted by Rod Stephens at
9/17/2012 11:29 AM
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Draw a pie chart in C#
Posted by Rod Stephens at
9/14/2012 9:30 AM
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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
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Book Review: The Manga Guide to Linear Algebra
Posted by Rod Stephens at
8/30/2012 9:34 AM
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Calculate the present value of a future amount of money in C#
Posted by Rod Stephens at
8/7/2012 7:43 AM
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Compare the performance of simple arithmetic operations in C#
Posted by Rod Stephens at
7/24/2012 7:26 AM
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Graph the probability of an event occurring in a given number of trials in C#
Posted by Rod Stephens at
7/23/2012 1:50 PM
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Determine the number of trials needed to reach a certain probability of an event occurring in C#
Posted by Rod Stephens at
7/20/2012 8:48 AM
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Calculate the probability of an event occurring in a given number of trials in C#
Posted by Rod Stephens at
7/19/2012 8:12 AM
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Understand probabilities of unrelated events (and escaping zombies)
Posted by Rod Stephens at
7/17/2012 8:50 PM
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Use the yield statement to make an enumeration in C#
Posted by Rod Stephens at
6/26/2012 7:08 AM
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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
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Parse file sizes in KB, MB, GB, and so forth in C#
Posted by Rod Stephens at
6/1/2012 7:22 AM
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Draw a phi spiral (or golden spiral) in C#
Posted by Rod Stephens at
5/17/2012 7:19 AM
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Draw a nested series of golden rectangles in C#
Posted by Rod Stephens at
4/17/2012 5:36 PM
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Examine the relationship between the Fibonacci sequence and phi in C#
Posted by Rod Stephens at
4/16/2012 9:02 AM
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Make extension methods that randomize arrays and lists in C#
Posted by Rod Stephens at
4/4/2012 8:34 AM
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Platonic Solids Part 4: The dodecahedron and icosahedron
Posted by Rod Stephens at
3/29/2012 6:50 AM
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Platonic Solids Part 3: The cube and octahedron
Posted by Rod Stephens at
3/28/2012 7:20 AM
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Platonic Solids Part 2: The tetrahedron
Posted by Rod Stephens at
3/27/2012 7:27 AM
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Platonic Solids Part 1: What are the Platonic solids?
Posted by Rod Stephens at
3/26/2012 8:21 AM
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Use "banker's rounding" and "normal" rounding in C#
Posted by Rod Stephens at
3/22/2012 1:45 PM
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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
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Perform binary contrast enhancement on an image in C#
Posted by Rod Stephens at
2/13/2012 9:10 AM
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Make stable appointment assignments based on customer preferences in C#
Posted by Rod Stephens at
1/30/2012 7:23 AM
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Graph an equation entered by the user in C#
Posted by Rod Stephens at
1/24/2012 1:17 PM
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Graph an equation y = F(x) in C#
Posted by Rod Stephens at
1/23/2012 8:49 AM
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Find and display solutions to the "find the squares" puzzle in C#
Posted by Rod Stephens at
1/11/2012 10:58 AM
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Draw a large circle that circumscribes three smaller tangent circles in C#
Posted by Rod Stephens at
12/29/2011 8:25 AM
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Puzzle: find the squares in C#
Posted by Rod Stephens at
12/19/2011 9:41 AM
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Draw four interlocking Heighway dragons in C#
Posted by Rod Stephens at
12/13/2011 9:44 AM
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Center a fractal Heighway dragon curve in C#
Posted by Rod Stephens at
12/12/2011 2:53 PM
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Use XOR to swap two numbers in C#
Posted by Rod Stephens at
12/9/2011 11:36 AM
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Draw a fractal Heighway dragon curve in C#
Posted by Rod Stephens at
12/8/2011 5:51 PM
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Find and display solutions to the equilateral triangles puzzle in C#
Posted by Rod Stephens at
12/5/2011 8:03 AM
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Make and use bitmasks in C#
Posted by Rod Stephens at
12/3/2011 2:17 PM
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Understand how to use bit masks in C#
Posted by Rod Stephens at
12/2/2011 3:29 PM
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Use bitwise operations in C#
Posted by Rod Stephens at
12/1/2011 8:17 AM
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Make an extension method that randomizes a two-dimensional array in C#
Posted by Rod Stephens at
11/28/2011 9:21 AM
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Draw an Apollonian gasket with circles filled by random colors in C#
Posted by Rod Stephens at
11/23/2011 10:49 AM
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Draw an Apollonian gasket (or Apollonian packing) in C#
Posted by Rod Stephens at
11/22/2011 8:32 AM
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Puzzle: find the equilateral triangles in C#
Posted by Rod Stephens at
11/18/2011 11:00 AM
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Convert latitudes and longitudes into distances on the globe in C#
Posted by Rod Stephens at
11/15/2011 9:20 AM
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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
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Find circles that are tangent to three given circles (Apollonius' Problem) in C#
Posted by Rod Stephens at
11/11/2011 6:51 AM
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Use steganography to hide one large picture inside another in C#
Posted by Rod Stephens at
11/10/2011 7:32 AM
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Use steganography to hide one picture inside another in C#
Posted by Rod Stephens at
11/9/2011 11:06 PM
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Draw a circle through three points in C#
Posted by Rod Stephens at
11/8/2011 9:38 AM
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Compare mileage and fuel consumption in the United States, United Kingdom, and metric units in C#
Posted by Rod Stephens at
10/24/2011 7:37 AM
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Compare car costs including long term mileage in C#
Posted by Rod Stephens at
10/22/2011 9:22 AM
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Handle a NumericUpDown control's value change events in C#
Posted by Rod Stephens at
10/17/2011 9:52 AM
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Use a NumericUpDown control to let the user enter decimal values in C#
Posted by Rod Stephens at
10/14/2011 2:17 PM
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Map numeric values to and from colors in a color gradient in C#
Posted by Rod Stephens at
10/7/2011 2:46 PM
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Examine different investment strategies with Dow Jones Industrial Average data in C#
Posted by Rod Stephens at
10/6/2011 1:35 PM
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Graph historical Dow Jones Industrial Average values in C#
Posted by Rod Stephens at
10/5/2011 7:15 AM
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Make extension methods that convert numbers between Arabic and Roman numerals in C#
Posted by Rod Stephens at
9/25/2011 8:53 AM
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Make a map zooming program create hotspot code in C#
Posted by Rod Stephens at
9/21/2011 12:15 PM
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Display a map at different scales with hotspots that the user can click in C#
Posted by Rod Stephens at
9/20/2011 12:33 PM
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Measure distances on a map with a scale and display them with limited significant digits in C#
Posted by Rod Stephens at
9/15/2011 10:17 AM
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Display a floating point number with a specific number of significant digits in C#
Posted by Rod Stephens at
9/14/2011 6:37 AM
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Calculate how long it will take to pay off a credit card by making minimum payments in C#
Posted by Rod Stephens at
8/22/2011 7:34 AM
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Calculate the future value of a monthly investment with interest in C#
Posted by Rod Stephens at
8/21/2011 7:04 AM
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Draw a colored Pickover popcorn fractal in C#
Posted by Rod Stephens at
8/17/2011 6:36 AM
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Draw a Pickover popcorn fractal in C#
Posted by Rod Stephens at
8/16/2011 7:08 AM
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Graph historical stock prices in C#
Posted by Rod Stephens at
8/7/2011 7:31 AM
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Graph savings from a normal bank account, a 401(k), and a Roth IRA account in C#
Posted by Rod Stephens at
8/5/2011 6:05 AM
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List your next 10 birthdays and their days of the week in C#
Posted by Rod Stephens at
7/29/2011 7:49 AM
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Refine the ComplexNumber class in C#
Posted by Rod Stephens at
7/13/2011 9:10 AM
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Use a scroll bar to let the user select a non-integer value in C#
Posted by Rod Stephens at
7/5/2011 8:15 AM
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Roughly compare the savings a normal bank account would give versus a 401(k) (a US tax thing) in C#
Posted by Rod Stephens at
6/14/2011 7:27 AM
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Generate a schedule for a round robin tournament in C#
Posted by Rod Stephens at
5/31/2011 7:15 AM
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Make an extension method that calculates standard deviation in C#
Posted by Rod Stephens at
5/27/2011 7:18 AM
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Draw an animated hypotrochoid (Spirograph curve) in C#
Posted by Rod Stephens at
5/4/2011 7:09 AM
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Langton's Ant contest winners
Posted by Rod Stephens at
4/1/2011 9:20 AM
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Display Pascal's triangle in C#
Posted by Rod Stephens at
3/31/2011 6:38 AM
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Use LINQ's Min, Max, and Average extension methods to get the minimum, maximum, and average values in an array in C#
Posted by Rod Stephens at
2/27/2011 6:29 AM
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Contest: Langton's Ant Simulation
Posted by Rod Stephens at
2/26/2011 6:41 AM
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Display a continuously updating graph of stock prices taken from the internet in C#
Posted by Rod Stephens at
2/3/2011 4:39 PM
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Find a least squares Weibull curve fit for a set of points in C#
Posted by Rod Stephens at
11/25/2010 6:38 AM
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Find an exponential least squares fit for a set of points in C#
Posted by Rod Stephens at
11/24/2010 9:43 AM
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Find a polynomial least squares fit for a set of points in C#
Posted by Rod Stephens at
11/8/2010 8:20 AM
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Find a linear least squares fit for a set of points in C#
Posted by Rod Stephens at
11/6/2010 4:08 PM
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Get stock prices from the internet in C#
Posted by Rod Stephens at
10/27/2010 6:22 AM
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See if a number is expressible as a sum of two cubes (and calculate Taxicab numbers) in C#
Posted by Rod Stephens at
10/18/2010 7:29 AM
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Calculate the Nth root of a number in C#
Posted by Rod Stephens at
10/15/2010 6:12 AM
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Use Newton's method to draw fractals for equations of the form F(z) = z^N + z^(N-1) + ... + z + 1 in C#
Posted by Rod Stephens at
7/24/2010 7:52 AM
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Use Newton's method to draw fractals for equations of the form F(z) = z^C - C^z in C#
Posted by Rod Stephens at
7/23/2010 5:58 AM
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