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How Long is the Border Between Unitopia and Zerostan?
Two countries, Unitopia (denoted by ones) and Zerostan (denoted by zeros) are engaged in a long-standing dispute: how long is th...

25 days ago

Solved

Shifting vertically a function's graph
Given a real function, f, by n input-output pairs, consider a translation in the up-down direction given by an amount k. For a ...

26 days ago

Solved

Scaling vertically functions
Given a real function by the 1×n array, x, of inputs and the 1×n array, y, of outputs, consider shifting vertically its graph by...

27 days ago

Solved

Translating parabola by its vertex to the origin
Given a quadratic polynomial, p(x) = ax^2 + bx + c (a ~= 0), represented by the vector [a b c], consider the translation of the ...

28 days ago

Solved

Convert a diagonal representation of a matrix element to linear index or subscripts
Elements in matrices in MATLAB can be retrieved by linear index or subscripts. For example, the 1 in the matrix below has a line...

28 days ago

Solved

FEN to Chess Board
Note: This problem is the reverse, or complement, of Problem 61144 - FEN Chess Notation. Given a FEN (Forsyth-Edwards Notation)...

28 days ago

Solved

Chrono Matrix: Reconstructing the Time Portal
Your time-travel scanner has captured fragments of a portal matrix scattered across eras. Each fragment contains partial informa...

1 month ago

Solved

Container With Most Water
You are given an integer array height . There are vertical lines drawn such that the two endpoints of the ith line are (i, 1) an...

1 month ago

Solved

Pascal's Pyramid - A Variation with an Arial View
Let's create a matrix of size N x N containing a Pascal's Triangle in each quadrant that diverges from the centre to form an ari...

1 month ago

Solved

finding vector pair with min angle between them
given a matrix with more than one row , compare row vectors of the given matrix and find the pair with the minumum angle between...

1 month ago

Solved

Pascal's Triangle
Create a matrix of size N x N containing a Pascal's Triangle that starts from the upper left corner according to the test cases ...

1 month ago

Solved

The Case of the Missing Prototype – Match the Footprints Found in the Lab to the Suspects’ Shoe Sizes
The dust on the Innovation Lab floor reveals several footprints.You’ve measured their shoe sizes and noted them in a vector size...

1 month ago

Solved

The Case of the Missing Prototype – Detect Tampered Sensor Readings from the Stolen Device’s Data Logs
You’ve recovered partial sensor data from the stolen prototype.Each reading is stored in a numeric vector data, but something se...

1 month ago

Solved

The Case of the Missing Prototype – Calculate the Car’s Average Speed Between GPS Readings to Trace the Escape Route
Using GPS data, you’ve obtained the total distance (in meters) traveled by the suspect’s car at equal time intervals.These readi...

1 month ago

Solved

Don't Include a Five
Given a vector A, return vector B with all 5s replaced with 0s.

1 month ago

Solved

Don't Include a Five (Part Two)
Given a vector A with at least one non-five, return vector B, with all fives excluded (not replaced by zeros).

1 month ago

Solved

The Five Infection (Boss Level)
Given a 3x3 matrix A, replace: every value that is equal to five every value that is directly adjacent to a five with zero in...

1 month ago

Solved

Compute frequency factors for the normal distribution
In frequency analysis in hydrology, the streamflow corresponding to a specified exceedance probability (or return period ) can...

1 month ago

Solved

Compute the area of a lune
Write a function to compute the area of the shaded moon-shaped region in the figure below—that is, the area of a smaller circle ...

1 month ago

Solved

Compute the total length of lines between all vertices of a regular polygon
Write a function to compute the total length of between all vertices of a regular polygon inscribed in a unit circle. For exampl...

1 month ago

Solved

nxn matrix with elements from 1:n^2
input n defines the dimension of a square matrix to be filled from 1 to n^2 with 1 in upper left corner and n^2 in bottom right...

1 month ago

Solved

Bullseye Matrix with Zeros
Inspired by Problem 18, create a bullseye matrix with the addition of padding equal to 0 between concentric rings. Matrices are ...

1 month ago

Solved

Creating a matrix by taking shifted copies of a given vector v as columns
This problem is the same as the problem 761 except that here we are testing it for any given vector ; a row or column vector. Th...

1 month ago

Solved

Find the surface area of a cone.
For instance, Given r (radius) = 3, and s (slant height) = 5: surface area should be 94.

1 month ago

Solved

Collect a set of candy wrappers
This past Halloween, the siblings Matilda and Labrun amused (and sometimes confused) their many neighbors with their costumes in...

1 month ago

Solved

Divisible by 5
Pursuant to the first problem in this series, this one involves checking for divisibility by 5. Write a function to determine i...

1 month ago

Solved

Divisible by 4
Pursuant to the <http://www.mathworks.com/matlabcentral/cody/problems/42404-divisible-by-2 first problem> in this series, this o...

1 month ago

Solved

Inscribed Pentagon? 2
Your function will be provided with the five vertices of a pentagon (p) as well as the center point (cp) and radius (r) of a cir...

1 month ago

Solved

5th Time's a Charm
Write a function that will return the input value. However, your function must fail the first four times, only functioning prope...

1 month ago

Solved

Carmichael Number
Car michael number is a composite number which satisfy following relation: for all integers which are coprime to . ...

1 month ago