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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

answerSolved

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

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

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

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

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

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

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

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

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

answerSolved

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