Feeds
已解决
Count the peaceful queens
In a 5x5 chessboard with a queen of one color (white, say) on the perimeter, one can place 12 black queens on the board such tha...
30 days 前
已解决
3D Plots and Colorbars
Use the matrices X, Y, and Z provided in the function template to create a surface plot. Add a colorbar to the surface plot and ...
30 days 前
已解决
Adding Inset Plots
You can use the axes function to define the position of an empty x/y axis. The position is measured relative the the bottom left...
30 days 前
已解决
Jack O'Lantern
If visualized correctly, the data contained in the matrix A will look like a jack-o'-lantern. Create a function that will visu...
30 days 前
已解决
Plot Line Specifications
Create a line plot for function cos(x) where x is a vector of linearly spaced values going from 0 to input N with an increment o...
30 days 前
已解决
Power Outages Histogram
Create a function that takes power outage data as an input and creates a histogram of the number of outages as a function of Reg...
30 days 前
已解决
Parasitic numbers
Test whether the first input x is an n-parasitic number: <http://en.wikipedia.org/wiki/Parasitic_number>. ( _n_ is the second in...
1 month 前
已解决
Kaprekar numbers
Test if the input is a Kaprekar number: <http://mathworld.wolfram.com/KaprekarNumber.html>. Return a logical true or false. ...
1 month 前
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Polite numbers. N-th polite number.
A polite number is an integer that sums of at least two consecutive positive integers. For example _7 = 3+4_ so 7 is a polite...
1 month 前
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Polite numbers. Politeness.
A polite number is an integer that sums of two or more consecutive positive integers. Politeness of a positive integer is a num...
1 month 前
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nth Rational Number
Return the nth rational number. This is the inverse to Problem 1471. Index of a Rational number The first ten positive rationa...
1 month 前
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Generate a Parasitic Number
This problem is the next step up from Problem 156. Rather than determining if an input is a parasitic number, you will be asked ...
1 month 前
已解决
Approximation of Pi (vector inputs)
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given numbe...
1 month 前
已解决
geometric progression
I've modified my <http://uk.mathworks.com/matlabcentral/cody/problems/2800-arithmetic-progression previous program> so that it n...
1 month 前
已解决
arithmetic progression
I've written a program to generate the first few terms of <https://en.wikipedia.org/wiki/Arithmetic_progression arithmetic progr...
1 month 前
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Find similar sequences
Another problem inspired by a question on the <http://www.mathworks.com/matlabcentral/answers answers> forum. Given a matrix ...
1 month 前
已解决
Generate Square Wave
Generate a square wave of desired length, number of complete cycles and duty cycle. Here, duty cycle is defined as the fraction ...
1 month 前
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Largest Geometric Series
Extension of Ned Gulley's wonderful Problem 317. In a geometric series, ratio of adjacent elements is always a constant value. ...
1 month 前
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Clueless - Lord Ned in the Game Room with the Technical Computing Language
[Warning: this is a nontrivial programming problem] Worried about the decline in reasoning skills in the clueless populace of...
1 month 前
已解决
Leaderboard for the Nedball World Cup
At the upcoming inaugural Nedball World Cup, organizers need to track who is in the lead for the coveted Golden Toeplitz trophy,...
2 months 前
已解决
Popular Word Game™ Distance
Professor Ned, who holds the Nedowed Chair of Crackpot Mathematics at the University of Nedsburg, has recently discovered the da...
2 months 前
已解决
Who Holds the Lord Ned Challenge Shield?
During the Nedball Premier League regular season, each of the n teams plays each of the other (n-1) teams twice, once at home an...
2 months 前
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The Bridges of Nedsburg
The fabled city of Nedsburg consists of several islands connected by bridges. Due to tectonic forces, shoddy civil engineering, ...
2 months 前
已解决
A Nedlish Country Garden - Check for Valid Arrangement
Nedland is famous for its stately gardens, which typically have a centerpiece of a square grid, with certain squares featuring a...
2 months 前
已解决
Average Number of Moves for the Royal Game of Err
Bored of tedious court assemblies, King Neduchadneddar the Procrastinator has found a cunning way to keep his advisors, councilo...
2 months 前
已解决
Transition Matrix for the Royal Game of Err
Bored of tedious court assemblies, King Neduchadneddar the Procrastinator has found a cunning way to keep his advisors, councilo...
2 months 前
已解决
Convert Decimal to Hexavigesimal
NASA (Ned’s Alien-Spying Agency) have made contact with a 13-fingered race from the planet Genai. Naturally, Ned’s shadowy opera...
2 months 前
已解决
Convert Hexavigesimal to Decimal
NASA (Ned’s Alien-Spying Agency) have made contact with a 13-fingered race from the planet Genai. Naturally, Ned’s shadowy opera...
2 months 前
已解决
Government of the Neds, by the Neds, for the Neds - Distribute the Nedsburg City Councilors
The city of Nedsburg consists of several islands, the number of which changes regularly, due to tectonic forces, shoddy civil en...
2 months 前
