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**Content Feed**

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...

4 years ago | 0

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...

4 years ago | 0

| accepted

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...

4 years ago | 1

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...

4 years ago | 0

| accepted

Compiling excel files from subfiles

Try the following: ds = spreadsheetDatastore(pwd,'IncludeSubfolders',true) where pwd is the root folder.

4 years ago | 0

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...

4 years ago | 0

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...

4 years ago | 0

Solved

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...

4 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...

4 years ago

Solved

Add consecutive integer numbers

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

4 years ago

Problem

Add consecutive integer numbers

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

4 years ago | 0 | 52 solvers

Solved

Getting logical indexes

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

4 years ago

Solved

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)).

4 years ago

Solved

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...

4 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...

4 years ago

Solved

"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) ...]...

4 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...

4 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...

4 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 ...

4 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...

4 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...

4 years ago

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...

4 years ago | 0

| accepted

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 ...

4 years ago | 0

| accepted

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...

4 years ago | 3

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...

4 years ago | 1

| accepted

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...

4 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...

4 years ago

Retrieve data from several folders and structures

If I understand correctly you have data files in different folders and you want to take subset of that data and reorganize it in...

4 years ago | 0

| accepted

Solved

Fibonacci sequence

Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

4 years ago

Solved

Make a checkerboard matrix

Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

4 years ago