Solved

fractal circles
Create a fractal with circles using the same process as the Sierpinski triangle (https://en.wikipedia.org/wiki/Sierpinski_trian...

10 years ago

Problem

fractal circles
Create a fractal with circles using the same process as the Sierpinski triangle (https://en.wikipedia.org/wiki/Sierpinski_trian...

10 years ago | 0 | 19 solvers

Solved

Euler–Mascheroni constant
Approximate the Euler-Mascheroni constant using the series representation gamma_n=\sum_{k=1}^{n} [1/k-ln(1+1/k)] Calculat...

10 years ago

Problem

Euler–Mascheroni constant
Approximate the Euler-Mascheroni constant using the series representation gamma_n=\sum_{k=1}^{n} [1/k-ln(1+1/k)] Calculat...

10 years ago | 1 | 64 solvers

Solved

solid of revolution
Given an real polynomial P and two real numbers a,b with 0<=a<=b. Calculate the volume of the solid of revolution made by rota...

10 years ago

Problem

solid of revolution
Given an real polynomial P and two real numbers a,b with 0<=a<=b. Calculate the volume of the solid of revolution made by rota...

10 years ago | 1 | 41 solvers

Solved

Babylonian method
Calculate the square root of a given positive number a using the Babylonian method (https://en.wikipedia.org/wiki/Methods_of_co...

10 years ago

Problem

Babylonian method
Calculate the square root of a given positive number a using the Babylonian method (https://en.wikipedia.org/wiki/Methods_of_co...

10 years ago | 3 | 45 solvers

Solved

balance vector
Given a non-empty vector x with integer elements. x shall be called balance vector if one can split the elements of x into two g...

10 years ago

Problem

balance vector
Given a non-empty vector x with integer elements. x shall be called balance vector if one can split the elements of x into two g...

10 years ago | 1 | 32 solvers

Solved

jumping astronauts
The surface gravity on the moon is approximately 2 m/s^2. Thats why an funny astronauts feels as light as a feather and jumps fr...

10 years ago

Problem

jumping astronauts
The surface gravity on the moon is approximately 2 m/s^2. Thats why an funny astronauts feels as light as a feather and jumps fr...

10 years ago | 0 | 21 solvers

Solved

attenuation
A beam of X-rays propagates a length d(1) through a medium with an attenuation coefficient alpha(1). After that the beam propaga...

10 years ago

Problem

attenuation
A beam of X-rays propagates a length d(1) through a medium with an attenuation coefficient alpha(1). After that the beam propaga...

10 years ago | 2 | 28 solvers

Solved

center of mass
R is a given matrix with size [n,2]. R(i,:) is interpreted as the 2D-position of a mass point with mass i. Calculate the center ...

10 years ago

Problem

center of mass
R is a given matrix with size [n,2]. R(i,:) is interpreted as the 2D-position of a mass point with mass i. Calculate the center ...

10 years ago | 3 | 89 solvers

Solved

Relational operators: Guessing game
Row array userGuess contains a sequence of user guesses. Create a logical indexing array correctGuess with true in each location...

10 years ago

Solved

pressure to dB?
given x ratio of pressure, find corresponding y dB

10 years ago

Solved

Integer indexing array: Shift left
Write a *single* statement that shifts row array attendanceValues one position to the left. The rightmost element in attendanceV...

10 years ago

Solved

Coordinate geometry
Assign pointsDistance with the distance between point (x1, y1) and point (x2, y2). The distance is calculated by: Distance =...

10 years ago

Solved

Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

10 years ago

Solved

Indexing the last element: Print queue
* Delete the last element of row array printQueue.

10 years ago

Solved

Rotate a Matrix
Input a Matrix x, Output y is the matrix rotating x 90 degrees clockwise

10 years ago

Solved

Character variable: Compass direction
* Assign compassDirection with sensorReading's value. Both are character variables.

10 years ago

Solved

Omit columns averages from a matrix
Omit columns averages from a matrix. For example: A = 16 2 3 13 5 11 10 8 9 7 ...

10 years ago

Solved

given 3 sides, find area of this triangle
1:3 -> 0; 3:5 -> 6

10 years ago

Solved

Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

10 years ago

Solved

Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

10 years ago

Solved

Element-wise division
* Assign row array weightKilo with the corresponding weight in kilograms. Use the following conversion: kg = lb / 2.2

10 years ago

Solved

Back to basics 23 - Triangular matrix
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, return a matrix with all elements above a...

10 years ago