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Question


Running compiled AppDesigner app. Error finding getRunningApp
I am running a compiled GUIDE program. (This is a very large, complex legacy program). We wanted to add a custom pop-up window...

2 months ago | 1 answer | 0

1

answer

Solved


How long is the longest prime diagonal?
Stanislaw Ulam once observed that if the counting numbers are arranged in a spiral, the prime numbers contained in it form a sur...

3 months ago

Solved


Find a subset that divides the vector into equal halves
Given a vector x, return the indices to elements that will sum to exactly half of the sum of all elements. Example: Inpu...

10 months ago

Solved


Make a run-length companion vector
Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...

10 months ago

Solved


How many trades represent all the profit?
Given a list of results from trades made: [1 3 -4 2 -1 2 3] We can add them up to see this series of trades made a profit ...

10 months ago

Solved


Use of regexp
Given a string, containing several sentences, such as: 'I played piano. John played football. Anita went home. Are you safe?...

10 months ago

Solved


QWERTY Shift Code Decoder
Decode a string encoded using the QWERTY shift code. QWERTY shift code is where the message was touch typed but with an offse...

10 months ago

Solved


Add more zeros
Find code that adds one 0 to each sequence of 0 in a string (composed with only 0 or 1). For example: '1010' -> '100100' ...

10 months ago

Solved


Reverse the Words (not letters) of a String
*Description* Change the words of a string such that the words appear in reverse order. You may assume that the string is a n...

10 months ago

Solved


QWERTY Shift Encoder
Encode a string using the QWERTY shift code. This code is where you touch type but are offset by one character to the right. O...

10 months ago

Solved


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

10 months ago

Solved


Calculate the Hamming distance between two strings
Inspired by a similar Cody problem found <http://www.mathworks.com/matlabcentral/cody/problems/93-calculate-the-levenshtein-dist...

10 months ago

Solved


letter yes yes & letter no no
Split a string into two strings, wherein the first string has all alphabetic letters and the second string has all the remaining...

10 months ago

Solved


Space Saver
Remove all characters that are below a space in ASCII value.

10 months ago

Solved


Flag largest magnitude swings as they occur
You have a phenomenon that produces strictly positive or negative results. delta = [1 -3 4 2 -1 6 -2 -7]; Marching through thi...

11 months ago

Answered
I am having empty cells while saving the extracted features inside loops
You never tell Matlab to put the next value of Extracted into a new cell. I.e., you have not increased the cell array index wit...

12 months ago | 0

Answered
Finding minimum within a set of rows below a certain point?
I suggest using the find command (with Z>=2) with row & column as outputs. Find the min and max column values and their associa...

1 year ago | 0

Answered
calculate the maximum of every 24 data in matrices
Have you considered reshaping the 2D matrix into a 3D matrix -- (number of sensors) x 24 x days? Then you could use max for eac...

1 year ago | 1

Answered
Show only amount of n values on a continuous plot
I presume that you are reading the serial data into a timetable or set of vectors (Time, Data, ...). Instead of plotting the wh...

1 year ago | 0

Answered
Overlay a scatterplot of continuous data with boxplots summarizing groupings of the same data
Have you tried plotting the boxplot on the secondary y-axis and hide its x-labels?

1 year ago | 0

Answered
Importing .mat files in a loop
for z=1:20 filename = ['data_', num2str(z)]; s(z) = load(filename); % Load variables into a structure end

1 year ago | 1

| accepted

Answered
How to stop a for loop by press a button APP designer ?
Make the Stop button a toggle button. Within the FOR loop, check the status of the Stop button. If it is toggled-on, then brea...

1 year ago | 0

| accepted

Question


stack command errors with multiple column variables of different data types
I have a table (imported from a poorly-designed spreadsheet) with repeated column variables I would like to stack. The fields a...

1 year ago | 1 answer | 0

1

answer

Solved


Chess probability
The difference in the ratings between two players serves as a predictor of the outcome of a match (the <http://en.wikipedia.org/...

2 years ago

Solved


Determine the number of odd integers in a vector
Determine the number of unique odd integers in a vector. Examples: Input x = [2 5 8 3 7 1]; Output y = 4; Inp...

2 years ago

Solved


Insert zeros into vector
Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...

2 years ago

Solved


Rotate input square matrix 90 degrees CCW without rot90
Rotate input matrix (which will be square) 90 degrees counter-clockwise without using rot90,flipud,fliplr, or flipdim (or eval)....

2 years ago

Solved


Matrix with different incremental runs
Given a vector of positive integers a = [ 3 2 4 ]; create the matrix where the *i* th column contains the vector *1:a(i)...

2 years ago

Solved


Make an awesome ramp for a tiny motorcycle stuntman
Okay, given a vector, say v=[1 3 6 9 11], turn it into a matrix 'ramp' like so: m=[1 3 6 9 11; 3 6 9 11 0; 6 9 ...

2 years ago

Solved


Flip the main diagonal of a matrix
Given a n x n matrix, M, flip its main diagonal. Example: >> M=magic(5); >> flipDiagonal(M) 9 24 1 ...

2 years ago

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