CAM

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Throwing Dice - Will You Be Eaten By The Dragon?
You and a dragon have agreed to let dice rolls determine whether it eats you or not. The dragon will roll a single die, of x si...

2 months ago

Solved

Make a Plot with Functions
Make a plot and test

2 months ago

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...

5 months ago | 1 answer | 0

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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...

7 months ago

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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...

1 year ago

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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 ...

1 year ago

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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 ...

1 year ago

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

1 year ago

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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...

1 year ago

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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' ...

1 year 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...

1 year 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...

1 year ago

Solved

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

1 year 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...

1 year 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...

1 year ago

Solved

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

1 year ago

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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...

1 year 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...

1 year 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

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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...

2 years 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...

2 years ago | 1 answer | 0

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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

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