Alexander Ross

Last seen: Today | Active since 2024

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Biomedical researcher.

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Muphry's Law of MATLAB
You're running some simple multiplication problems through MATLAB for error checking purposes, but nothing seems to come up with...

3 hours ago

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Convert from Base 10 to base 5
Convert the input number from base 10 into base 5: for example: if a(in base 10)= 5 then a(in base 5)= 10

3 hours ago

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4 hours ago

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Find the triplet
Given an array x of size n > 3 and an integer N, return the indices of three elements in the array that sum up to the given inte...

19 hours ago

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Highest building

19 hours ago

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Permutation Via Multiplication
Given two numbers a and b, determine if the product ab is a permutation of the digits of a. For example, this is always true for...

19 hours ago

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Better Index Number
Let's say you want to save many, many files and append these files with a certain sortable index number. As you probably know, y...

20 hours ago

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Whole Number Un-Concatenator
Write a function that accepts an integer and an index digit and returns a vector containing two integers which are the leading a...

20 hours ago

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Whole Number Concatenator
Write a function that concatenates whole numbers. For example: numcat(111,222) should return 111222 numcat(1,2,3,4,5) s...

20 hours ago

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Lunar Arithmetic (Addition)
<https://oeis.org/A087061 OEIS link for a description of lunar arithmetic> Simply take the larger digit. Example 1: ...

1 day ago

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Pattern Sum
Write a function which receives two single digit positive integers, (k and m) as parameters and calculates the total sum as: k...

1 day ago

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combine cells
A cell type variable is created. However it has other cells in itself. we want to integrate them all in a single cell. the conte...

2 days ago

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Repeat string n times - 3
function myOutput = rep_str_3(string1, string2, num1, num2, n) function desiredOutput = rep_str_3('string1', 'STRING2', 0...

2 days ago

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Filter AC, pass DC
Input x is the sampled signal vector, may have both AC and DC components. Output vector y should not contain any AC component. ...

2 days ago

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surface of a spherical planet
you just discovered its circumference, that is the input.

2 days ago

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Back to basics 22 - Rotate a matrix
Covering some basic topics I haven't seen elsewhere on Cody. Rotate the input matrix 90 degrees counterclockwise (e.g. [1 2; ...

2 days ago

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Back to basics 9 - Indexed References
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix and row and column, output the index of th...

2 days ago

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The average of the second largest values
Given a matrix, find the average of the second largest values in each row. The same value does not exist on a row. Example: ...

2 days ago

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Given a Matrix add a frame of 0's to it
for x as the input = [ 8 7 9 8 2 4 3 2 6 7 5 3] then output y sould be = out=[0 0 0 0 0 ...

2 days ago

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Calculate Availability of a Redundant Pair
Redundancy can improve system availability by allowing the system to continue operating when one of two independent components f...

2 days ago

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Count System Architecture Interfaces
An architecture can be represented using a connectivity matrix. Each row and column represents a system element, while a value o...

2 days ago

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Count Active Architecture Elements
A system architecture may contain several elements, but not all elements are active in a particular configuration. Given a logi...

2 days ago

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Calculate the Compression of a Spring
A mechanical engineer wants to determine how much a spring will compress when a force is applied to it. According to Hooke’s Law...

2 days ago

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Create a fixed format text output
Given a short brief matrix, such as x = [1.2 2.4 3.6; 1.5 2.3 3.5; 1.35 2.35 3.65] and a label 13, create a fixed format text o...

3 days ago

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Word Distance - Average Sort
Based on the method of <https://www.mathworks.com/matlabcentral/cody/problems/44815-word-distance-sum this problem>, write a fun...

3 days ago

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Word Search Solver
There are n words (minimum of three letters in each word) supplied with a given word search board. The answer will contain n row...

7 days ago

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Spiral Matrix
for a given integer n>=3, generate a matrix of nxn such that the value n^2 is at bottom left and its decreasing towards center ...

7 days ago

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Find names/words that start and end with the same letter.
Find names/words (from a string) that start and end with the same letter. * Case-insensitive. * If a name/word is not at the...

7 days ago

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MATLAB 101: Factorial Finder
The factorial of a non-negative integer n (denoted as n!) is the product of all positive integers less than or equal to n. For e...

7 days ago

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MATLAB 101: Extract the prime numbers
Given a list of elements, extract the prime numbers from that array.

7 days ago