# Lucademicus

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**Content Feed**

How to configure Editor when working on class methods so that I can jump to implementation?

I'm not sure if I correctly interpret your question, but I think I noticed the following behavior. When I type instanceOfC...

ungefär ett år ago | 0

how to select the second maximum value for an array.

One way would be to sort the array and take the value of the second to last value. [a,b] = sort(A); maximum = A(b(end-1)); Th...

ungefär 2 år ago | 0

Unable to read strings (I get NaN) in the excel file imported into Matlab

I have made an Excel file with a column containing numbers and strings. The result of importing depends on what data you tell...

ungefär 2 år ago | 0

"Quality" property of VideoWriter object doesn't do anything. How to get higher quality mp4 video?

A solution would be to write the video as uncompressed avi, and invoke ffmpeg to compress it to mp4. I've tested this code in...

ungefär 2 år ago | 0

| accepted

how to exclude or skip numbers in a for loop

You should take a look at the function ismember skipNum = [3147,3148,9319,9320]; for i = 1:12951; if ~ismember(i,skipNum) ...

ungefär 2 år ago | 1

| accepted

Question

Calling a function defined in a m-file from within appdesigner app, with the app object as function input

I'm using R2019b. I have created a GUI app using appdesigner and have written the function testFun in a m-file (testFun should ...

ungefär 2 år ago | 1 answer | 0

### 1

answerHow can I write different subscription font type of label?

You can achieve that by using a underscore _, following what you'd want subscripted. You can group something by placing it withi...

ungefär 2 år ago | 1

| accepted

How to run Matlab on WSL (Ubuntu 16.04)?

The folder you're referring to is within the bin folder. Probably the full path is: /usr/local/MATLAB/Rversionnumber/bin, in whi...

ungefär 2 år ago | 0

Question

Deployed application with/without command prompt, depending on input arguments

Hello, I am using R2019b to deploy an application. Intented behavior The application starts a GUI if it is called without inp...

ungefär 2 år ago | 0 answers | 0

### 0

answersSolved

Summing digits

Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

ungefär 2 år ago

Solved

Remove any row in which a NaN appears

Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

ungefär 2 år ago

Solved

Return the largest number that is adjacent to a zero

This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...

ungefär 2 år ago

Solved

Remove the vowels

Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

ungefär 2 år 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...

ungefär 2 år ago

Solved

Bullseye Matrix

Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

ungefär 2 år ago

Solved

Find all elements less than 0 or greater than 10 and replace them with NaN

Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

ungefär 2 år ago

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...

ungefär 2 år ago

Solved

Remove all the consonants

Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

ungefär 2 år ago

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...

ungefär 2 år 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...

ungefär 2 år ago

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...

ungefär 2 år ago

Solved

Select every other element of a vector

Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

ungefär 2 år ago

Solved

Triangle Numbers

Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

ungefär 2 år 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...

ungefär 2 år ago

Solved

Find the sum of all the numbers of the input vector

Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

ungefär 2 år ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]

In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

ungefär 2 år ago

Solved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

ungefär 2 år ago

Hello guys can u help me to add vertical line on my probability density function, this is my code x=[-5:0.1:5]; a=normpdf(x,1,1); z=normpdf(x,3,2); plot(x,a,'b',x,z,'r') legend('normal signal','abnormal signal') ylabel('probability density function')

From release 2018b you could use the function xline

mer än 2 år ago | 0

Euler's approximation for ODE

for i >= 0.05 This is not the correct way to define a for-loop. See the documentation for the correct syntax: https://mathwo...

mer än 2 år ago | 0