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Largest Geometric Series
Extension of Ned Gulley's wonderful <http://www.mathworks.com/matlabcentral/cody/problems/317 Problem 317>. In a geometric se...

10 years ago

Solved

Find the stride of the longest skip sequence
We define a _skip sequence_ as a regularly-spaced list of integers such as might be generated by MATLAB's <http://www.mathworks....

10 years ago

Solved

Rolling maximums above a threshold
You are given either a vector or a 2-D matrix M and a threshold value of t. Write a script that will calculate how many times t...

10 years ago

Solved

means
Calculate the arithmetic, the geometric and the harmonic mean of a given vector (with positive elements) and return them in a ve...

10 years ago

Solved

house of cards
How many cards do one need to build a house of cards with n stages? Short explanation: /\ 2 cards for 1 stage ...

10 years ago

Problem

Moving Product (Easy)
Given an input array A, write a function *movprod(A,k,dim)* to calculate the moving product over a sliding window of length *k* ...

10 years ago | 1 | 38 solvers

Solved

Make a logical diamond using GALLERY function
Inspired from <http://www.mathworks.com/matlabcentral/cody/problems/1078-make-a-diamond Problem 1078. Make a diamond> In thi...

10 years ago

Solved

Clockwise or Counterclockwise
Given a list of 2-d points defining the vertices of a polygon, determine whether these points are sorted clockwise. The input...

10 years ago

Solved

Optimum Egyptian Fractions
Following problem was inspired by <http://www.mathworks.com/matlabcentral/cody/problems/2126-split-bread-like-the-pharaohs-egypt...

10 years ago

Solved

fly fly away
A fly moves following a predefined sequence of discrete jumps (defined by the vectors _dx_ and _dy_) repeating the same sequence...

10 years ago

Solved

Split bread like the Pharaohs - Egyptian fractions and greedy algorithm
How would you split 5 loaves of bread among 8 people in all fairness? Get a hint from the Pharaohs. 5/8 = 4/8 + 1/8 , i.e. each ...

10 years ago

Solved

Let's see how peculiar we can get
The task is to multiply two numbers. But do it in the most peculiar possible way.

10 years ago

Solved

LIFO Validation
Write a function to check whether a LIFO (Last In First Out) restriction on inventory is violated. We have two input vectors ...

10 years ago

Solved

Determine if given number is perfect
A number is <http://en.wikipedia.org/wiki/Perfect_number perfect> if it is equal to the sum of its factors, excluding itself. ...

10 years ago

Solved

Cell Source Index
Suppose that C is a cell array whose elements consist of row vectors of elements of the same type. For example, C could be a ce...

10 years ago

Solved

Find the path through the cell
A list of cells is given. Return true if the elements of the list increase monotonically (each element is strictly larger tha...

10 years ago

Solved

İmage Series 2 AND
Given two input first one is a number which is uint8, second one is image which is 8 bit gray scale image, the image has pixsels...

10 years ago

Solved

İmage Series 1 OR
Given two input first one is a number which is uint8, second one is image which is 8 bit gray scale image, the image has pixsels...

10 years ago

Solved

Fast Fourier transform algorithm
Your task is to implement the Fast Fourier transform algorithm, without using builtin MATLAB fft commands e.g. fft, fft2, or har...

10 years ago

Solved

Singularity
Singularity is very important thing of robust control. Try to plot singular values over frequency of a MIMO system.

10 years ago

Solved

MATLAB Prison: Absolute Cruelty
The warden of MATLAB prison is particularly cruel. Space is in short supply (too many criminals with bad grammar, no examples an...

10 years ago

Solved

Form a gaussian kernel using matrix size and sigma value
For example matrix = 3; sigma = 1.2; Gaussian kernel = [1 2 1; 2 2 2; 1 2 1]; ...

10 years ago

Solved

LocateMembership | Membership of Matrix in another matrix
Let a and b be given by a = [ 2 1 1 1 1 2 1 1 1 1 2 1 1 1 1 2 4 0 0 0 ] b = [ 2 1 ...

10 years ago

Solved

Fast 1-D Convolution (valid shape)
Pursuant to the first problem in the <http://www.mathworks.com/matlabcentral/cody/?term=Fast+1-D+Convolution fast 1-D convolutio...

10 years ago

Solved

Fast 1-D Convolution (same shape)
Pursuant to the first problem in the <http://www.mathworks.com/matlabcentral/cody/?term=Fast+1-D+Convolution fast 1-D convolutio...

10 years ago

Problem

Fast 1-D Convolution (valid shape)
Pursuant to the first problem in the <http://www.mathworks.com/matlabcentral/cody/?term=Fast+1-D+Convolution fast 1-D convolutio...

10 years ago | 2 | 17 solvers

Problem

Fast 1-D Convolution (same shape)
Pursuant to the first problem in the <http://www.mathworks.com/matlabcentral/cody/?term=Fast+1-D+Convolution fast 1-D convolutio...

10 years ago | 1 | 17 solvers

Solved

MATLAB Prison: Summing light bulbs
On one wall in the MATLAB prison there is a row of n numbered light bulbs. Each bulb is controlled by a switch. Every morning, n...

10 years ago

Problem

Fast 1-D Convolution (full shape)
This is the first problem in the fast 1-D convolution series. This problem asks you to find a fast algorithm to compute the 1-D ...

10 years ago | 1 | 34 solvers

Solved

Make a diamond
Given n, odd number > 1, return n by n matrix consist of "null" and "*" characters arranged like a diamond. No toolbox funct...

10 years ago