Gareth

VersionBay

Last seen: 5 days ago | Active since 2018

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Ex MathWorker. I am now co-founder of a company called VersionBay.

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Jokes in MATLAB
Get MATLAB to tell you a joke.

2 months ago | 6 downloads |

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Basic Mathematics 4
Team #1 is in first place but only one point higher than Team #2. The sum of their two scores is N. What are each team’s scores...

3 months ago

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Return the Fibonacci Sequence
Write a code which returns the Fibonacci Sequence such that the largest value in the sequence is less than the input integer N. ...

1 year ago

Answered
rearranging textfile that contains commas
There is probably an easier way of doing this... but this should work: a = fileread('example.txt'); % txt file that you share...

5 years ago | 0

Answered
Extracting numerical results from a text file at different positions
good catch, my bad:) it was late at night. This should work. In either case if you are learning MATLAB, regexp are very powerful...

5 years ago | 0

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Extracting numerical results from a text file at different positions
There is probably an easier way to do this... but this should help. (I am using R2018b). a = fileread('0295_PhD_AB~Analysis...

5 years ago | 1

Answered
Compiling excel files from subfiles
There might be a more elegant way than what I am proposing but this should work: ds = spreadsheetDatastore(pwd,'IncludeSubfol...

5 years ago | 0

| accepted

Answered
Compiling excel files from subfiles
Try the following: ds = spreadsheetDatastore(pwd,'IncludeSubfolders',true) where pwd is the root folder.

5 years ago | 0

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Compiling excel files from subfiles
Hi Jen , I am using R2018b, and there is a wonderful datatype: datastore which does this for you. A variation of it is the sp...

5 years ago | 0

Answered
How to convert csv file containing MAC addresses to JSON array
I did the following: Used Import Wizard, generated the script belo I am on R2018b, so I used the function jsonencode at the en...

6 years ago | 0

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Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

6 years ago

Solved

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

6 years ago

Solved

Add consecutive integer numbers
Given consecutive numbers, add the numbers *without using the sum command in MATLAB.*

6 years ago

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Add consecutive integer numbers
Given consecutive numbers, add the numbers *without using the sum command in MATLAB.*

6 years ago | 0 | 53 solvers

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Getting logical indexes
This is a basic MATLAB operation. It is for instructional purposes. --- Logical indexing works like this. thresh = 4...

6 years ago

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Matrix indexing with two vectors of indices
Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)).

6 years ago

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middleAsColumn: Return all but first and last element as a column vector
Given input A, return all but the first and last elements, arranged as a column vector. (I.e., all dimensions after the first s...

6 years ago

Solved

Return elements unique to either input
Given two numeric inputs a and b, return a row vector that contains the numbers found in only a or only b, but not both. For ex...

6 years ago

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"Low : High - Low : High - Turn around " -- Create a subindices vector
Let two vectors *lo* and *hi* be given. The job is to create a index vector like so idx = [lo(1):hi(1) lo(2):hi(2) ...]...

6 years ago

Solved

Return unique values without sorting
If the input vector A is [42 1 1], the output value B must be the unique values [42 1] The *values of B are in the s...

6 years ago

Solved

Specific Element Count
Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...

6 years ago

Solved

First non-zero element in each column
For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero ...

6 years ago

Solved

Find the largest value in the 3D matrix
Given a 3D matrix A, find the largest value. Example >> A = 1:9; >> A = reshape(A,[3 1 3]); >> islargest(A) a...

6 years ago

Solved

Guess Cipher
Guess the formula to transform strings as follows: 'Hello World!' --> 'Ifmmp Xpsme!' 'Can I help you?' --> 'Dbo J ifmq zpv...

6 years ago

Answered
how to fix too many output argument?
Dear Ma.Cathyrine Ravina, There are several ways of doing this: Use a Live Script (with control slider bar) Create a MATLA...

6 years ago | 0

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Answered
How to find separate graphs
Ro=[0 0 0 1 0 0; 0 0 1 0 1 0; 0 0 0 0 0 0; 0 0 ...

6 years ago | 0

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Answered
if NaN then...
Have you tried using the function isnan? https://nl.mathworks.com/help/matlab/ref/isnan.html?searchHighlight=isnan&s_tid=doc_sr...

6 years ago | 4

Answered
How to insert code segments from another MATLAB file?
There usually are 3 ways that I have seen people do this. in your func.m add a comment with a special TAG (e.g. %#mycode), th...

6 years ago | 1

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Solved

Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

6 years ago

Solved

Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

6 years ago

Gareth

VersionBay

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