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Lucademicus


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32 total contributions since 2018

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Answered
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...

9 mesi ago | 0

Answered
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...

9 mesi ago | 0

Answered
"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...

9 mesi ago | 0

| accepted

Answered
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) ...

9 mesi 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 ...

9 mesi ago | 1 answer | 0

1

answer

Answered
How 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...

9 mesi ago | 1

| accepted

Answered
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...

9 mesi 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...

9 mesi ago | 0 answers | 0

0

answers

Solved


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 + ...

11 mesi 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...

11 mesi 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...

11 mesi 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...

11 mesi 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...

11 mesi 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...

11 mesi 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 ...

11 mesi 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...

11 mesi 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 ...

11 mesi 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...

11 mesi 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...

11 mesi 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...

11 mesi ago

Solved


Add two numbers
Given a and b, return the sum a+b in c.

11 mesi 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...

11 mesi 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...

11 mesi 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...

11 mesi 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 ...

11 mesi 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...

11 mesi 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:...

11 mesi ago

Answered
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...

circa 1 anno ago | 0

Answered
Remove legend items from Figure
You could do it based on the order of appearance of the plots. Assuming 'aa' is plot first, then 'bb' and then 'cc': figure; ...

oltre un anno ago | 0

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