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Malus’ Law (theta) between polarizations

2 months ago

Solved

Radius of an inner N-dimensional sphere
A hypercube is an N-dimensional analogue of a square (N=2). Similarly, an N-sphere is an N-dimensional analogue of a circle. Not...

2 months ago

Solved

A different counting method
Given an array (x) of integers, the "counting" array (y) is showing the number of identical consecutive integers in x in front o...

2 months ago

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Find Sign(Zero Crossing) Changes in Array
Example; A = [1 2 3 -3 -4 -1 -24 2 4 -1 -2 3 1]; ans; [1 2 0 -3 -4 -1 0 2 0 -1 ...

2 months ago

Discussion

Nedsburg Game Hint
I set my 3D matrix up with the players in the 3rd dimension. I set up the matrix with: 1) player does not hold the card (-1), pl...

2 months ago | 0

Discussion

Using Nested Functions and Recursion to Bypass Loop and Conditional Restrictions within Cody Problems
Some MATLAB Cody problems prohibit loops (for, while) or conditionals (if, switch, while), forcing creative solutions. One eleg...

2 months ago | 0

Discussion

Using the On-Line Encyclopedia of Integer Sequences (OEIS) to recognize and solve tricky sequence-based problems
Many MATLAB Cody problems involve recognizing integer sequences. If a sequence looks familiar but you can’t quite place it, the...

2 months ago | 0

Discussion

Solving MATLAB problems involving very large integers
When solving MATLAB Cody problems involving very large integers (e.g., factorials, Fibonacci numbers, or modular arithmetic), yo...

2 months ago | 0

Solved

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...

2 months ago

Solved

Square area to triangle area
Given the area, A, of a square with side length, c, if a right angle triangle has the same area A and the hypothenuse length 2c ...

2 months ago

Solved

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 ago

Solved

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 ago

Solved

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 ago

Solved

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 ago

Solved

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 ago

Solved

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 ago

Solved

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 ago

Solved

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 ago

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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 ago

Solved

Outlier number!
Find a number which has maximum distance from the mean value of vector A. Example: A=[5 2 1 5 6 2 5 9] y=9

3 months ago

Solved

Create the flag of Ramumbia
The little known nation of Ramumbia has a very simple flag. It is made up of vertical stripes, Red, Green, Blue, that are equall...

3 months ago

Solved

Center of Mass(es) in 3D Space
Given a matrix of format [x1,y1,z1,m1; x2,y2,z2,m2 . . .], return the center of mass of all listed points in 3d space [xc,yc,zc]...

3 months ago

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Independent direction vectors of a plane
Given the equation of a plan of the form ax+by+cz=d, return 2 independent direction vectors which could e.g. be used to determin...

3 months ago

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Draw matrix 'Swiss flag'( Euro 2020)
Draw a x-by-x matrix 'Swiss flag' using '0' and '1'.(x is odd and bigger than 4) Example x=5 ...

3 months ago

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Best Problem Elections
When I am writing those words, there are 2002 problems on Cody. Many of them are simply wonderful. Do you remember which of them...

3 months ago

Solved

Draw a x-by-x matrix British flag (Euro 2020)
Draw a x-by-x matrix 'British flag' using '0' and '1'.(x is odd and bigger than 4) x = 5 answer = [0 0 1 0 0 ...

3 months ago

Solved

Map all the indices of an Array Indices into a Vector giving Index vs Row and Column
Create an array of the row and column values for the indices of an array. This is typically performed using [r c]=ind2sub(siz...

3 months ago

Solved

Radioactive Decay Chain
A radioactive decay chain consists of a series of nuclides, each decaying into the next. Suppose we have a chain of N isotopes:...

3 months ago

Problem

Radioactive Decay Chain
A radioactive decay chain consists of a series of nuclides, each decaying into the next. Suppose we have a chain of N isotopes:...

3 months ago | 0 | 4 solvers

Solved

Mandelbrot Set Generator Class
Create a class Mandelbrot that computes the Mandelbrot set on a given complex plane window. The Mandelbrot set is defined by it...

3 months ago