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Decimation - Optimized for speed

This problem is similar to http://www.mathworks.com/matlabcentral/cody/problems/1092-decimation, only this time the score will b...

2 years ago

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Count consecutive 0's in between values of 1

So you have some vector that contains 1's and 0's, and the goal is to return a vector that gives the number of 0's between each ...

2 years ago

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Find last zero for each column

Given a numeric array of arbitrary size, return the row index of the last zero for each column. If a column contains all nonzero...

2 years ago

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How to solve Iteration Equation ?

You just need to choose how many iterations you want to do, for example: n = 1; You then need an initial value to feed into th...

How to solve Iteration Equation ?

You just need to choose how many iterations you want to do, for example: n = 1; You then need an initial value to feed into th...

2 years ago | 0

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Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)

For a row vector: V=[7 1 2 -3] there is one sign change (from 2 to -3). So, the function you write must return N=1. F...

2 years ago

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Implement a bubble sort technique and output the number of swaps required

A bubble sort technique compares adjacent items and swaps them if they are in the wrong order. This is done recursively until al...

2 years ago

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Decimation

When dealing to the Roman Army, the term decimate meant that the entire unit would be broken up into groups of ten soldiers, and...

2 years ago

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Create a vector whose elements depend on the previous element

The idea is to create a vector A whose elements depend on the previous element : *A(i+1) = 2*A(i)+1* *2 Inputs*: - A : The...

2 years ago

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Finding peaks

Find the peak values in the signal. The peak value is defined as the local maxima. For example, x= [1 12 3 2 7 0 3 1 19 7]; ...

2 years ago

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Find nth maximum

Find nth maximum in a vector of integer numbers. Return NaN if no such number exists. x = [2 6 4 9 -10 3 1 5 -10]; So ...

2 years ago

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Generate a vector like 1,2,2,3,3,3,4,4,4,4

Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

2 years ago

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Set a diagonal

Given a matrix M, row vector v of appropriate length, and diagonal index d (where 0 indicates the main diagonal and off-diagonal...

2 years ago

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Insert zeros into vector

Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...

2 years ago

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Determine the number of odd integers in a vector

Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

2 years ago

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Max index of 3D array

Given a three dimensional array M(m,n,p) write a code that finds the three coordinates x,y,z of the Maximum value. Example ...

2 years ago

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Unique values without using UNIQUE function

You must return unique values in a vector in *stable* mode without using the unique function. About stable order flag: ...

2 years ago

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duplicate values in array

You can use the repelem function as follows: repelem(angvel,10) to get each value repeated ten times . If instead you wanted ...

duplicate values in array

You can use the repelem function as follows: repelem(angvel,10) to get each value repeated ten times . If instead you wanted ...

2 years ago | 1

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Pi Estimate 1

Estimate Pi as described in the following link: <http://www.people.virginia.edu/~teh1m/cody/Pi_estimation1.pdf>

2 years ago

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Calculate area of sector

A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...

2 years ago

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Given a square and a circle, please decide whether the square covers more area.

You know the side of a square and the diameter of a circle, please decide whether the square covers more area.

2 years ago

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Perimeter of a semicircle

Given the diameter d, find the perimeter of a semicircle

2 years ago

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Approximation of Pi

Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given numbe...

2 years ago

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Consolidating counts & sum by Year Range

If you wanted to get an array containing the sums for all of your defined ranges then you could begin with R = [2001 2003; ...

Consolidating counts & sum by Year Range

If you wanted to get an array containing the sums for all of your defined ranges then you could begin with R = [2001 2003; ...

2 years ago | 0

Answered

Calculating results for Partial Sums

The main problem here is that you arent actually summing the y values as you go along. You are not adding y to the sum like you ...

Calculating results for Partial Sums

The main problem here is that you arent actually summing the y values as you go along. You are not adding y to the sum like you ...

2 years ago | 0

| accepted

Answered

How to save quiver3 arrow plot as vector graphic pdf

Have you tried looking at the answers in the following link: https://uk.mathworks.com/matlabcentral/answers/2755-printing-figur...

How to save quiver3 arrow plot as vector graphic pdf

Have you tried looking at the answers in the following link: https://uk.mathworks.com/matlabcentral/answers/2755-printing-figur...

2 years ago | 0

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Code breaker, Part I: Operation Phoenix

You have been tasked with decoding a set of coded messages that have been intercepted. Based on previous intelligence that ...

2 years ago

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Hangman (easy)

What is the best letter to start a <http://en.wikipedia.org/wiki/Hangman_(game) hangman> game with? You are given a cell arra...

2 years ago

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Scrabble Scores - 2

An <https://www.mathworks.com/matlabcentral/cody/problems/56-scrabble-scores introductory Cody problem> asks the user to score a...

2 years ago