Solved

Easy Sequences 89: Double Summation of a Trigonometric Product
Given and angle in radians and a positive integer , evaluate the following product summation: which 'dir...

3 years ago

Solved

Block average ignoring NaN values
Given a matrix, calculate the block average of each disjoint sub-matrix while ignoring *NaN* values. Assume that the size of the...

3 years ago

Solved

Block average
Given a matrix, calculate the block average of each disjoint sub-matrix of the same size. Assume that the size of the matrix alo...

3 years ago

Solved

Leave a thumb-up to pass
Just leave a Like, and a comment if you wish. Then wait, and submit.

3 years ago

Problem

Compute steady drawdown in a confined aquifer
A well extracting water from a confined aquifer will lower the piezometric head and create a cone of depression. In steady state...

3 years ago | 1 | 4 solvers

Solved

Pandigital number n°3 (Inspired by Project Euler 32)
After Problem 2319 and 2320. An n-digit number is pandigital if it makes use of all the digits 1 to n exactly ONCE. For examp...

3 years ago

Solved

Alternately upper-lower case
Modify the string to alternate between upper and lower case. For example, s='achyuta' output='AcHyUtA' Update - Test case...

3 years ago

Solved

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...

3 years ago

Solved

Compute the Tetris sequence
In the Tetris sequence, which starts with a 1, the next term is the smallest positive integer not already in the sequence that h...

3 years ago

Solved

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...

3 years ago

Solved

Reproduce this plot!
Write a function that will take a dataset (x,y), a best fit model (model), and the upper and lower prediction bounds (lb,ub) for...

3 years ago

Solved

function on a moving window
Create a function that applies an operation (such as @sum, @mean, @std, @norm etc) to a moving window of the data. First exampl...

3 years ago

Solved

Sleeping Queens 1
My youngest daughter received a card game named Sleeping Queens for Christmas this year, and has been playing it nearly non-stop...

3 years ago

Solved

Rule of mixtures (composites) - reverse engineering
The <http://en.wikipedia.org/wiki/Rule_of_mixtures rule of mixtures> is used in the mechanical design of composite structures to...

3 years ago

Solved

Circle and Quadratic
Imagine the quadratic curve with equation y=y(x)=ax^2+bx+c On the concave side of this curve there is a circle of radius...

3 years ago

Solved

Determine if input is a Harshad number
In mathematics a harshad number (or Niven number) in a given number base is an integer that is divisible by the sum of its digit...

3 years ago

Solved

Use a timetable to analyze a train timetable (Part 1)
Oh no, you missed your train to Boston! Find the departure time of the next available train by analyzing the train timetable. Th...

3 years ago

Problem

Locate image wells
A mathematical model of wells pumping groundwater near a boundary can be constructed using the method of images, which is also u...

3 years ago | 1 | 48 solvers

Solved

Find a subset that divides the vector into equal halves --- HARD MODE
This problem is the same as Ned Gulley's problem 660, but the input arrays will be larger. As in problem 660, given a vector ...

3 years ago

Solved

Leonardo primes
Leonardo numbers are defined by following recurrence relation: Leonard prime is Leonardo number which is also prime (see ...

3 years ago

Solved

Kolakoski Sequence
This is a modified version of the kolakoski sequence. Refer to the problem <https://www.mathworks.com/matlabcentral/cody/p...

3 years ago

Problem

Compute the Tetris sequence
In the Tetris sequence, which starts with a 1, the next term is the smallest positive integer not already in the sequence that h...

3 years ago | 1 | 8 solvers

Solved

Cricket - Report the Result (Part I: Limited Overs)
Given two scalar strings representing the scores for a limited-overs match, return a string reporting the result in the form "Te...

3 years ago

Solved

Cricket - Career Bowling Statistics
Given a vector s of strings representing a bowler's individual innings records, return their career statistics as a 3-element (n...

3 years ago

Solved

JannaT is Loved By Me
JannaT was sTarTed loved by me and that time was in 2020. A year when JannaT will starT loving me when the year divided from th...

3 years ago

Problem

Compute the largest number with a given integer complexity
Cody Problems 42831 and 42834 ask us to compute integer complexity, the smallest number of 1s needed to construct a number with ...

3 years ago | 2 | 10 solvers

Problem

Solve an equation involving primes and fractions
Write a function to find pairs of primes and satisfying the equation where is an integer. The function should take a numbe...

3 years ago | 2 | 8 solvers

Solved

Integer complexity (Large numbers)
Inspired by <http://www.mathworks.com/matlabcentral/cody/problems/42831-integer-complexity Problem 42831>, this problem aims to ...

3 years ago

Problem

Compute the Lagarias Riemann Hypothesis sequence
Write a function that takes an input number and produces a sequence (i.e., all values up to and including the th value) compute...

3 years ago | 2 | 8 solvers

Solved

01-01: 正弦波の生成
「MATLABで学ぶ実践画像・音声処理入門」のプログラム1-1 と同じ正弦波を、サンプリング周波数 10kHz で生成し、返却する関数を作成せよ。

3 years ago