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# Mark McBroom

### MathWorks

234 total contributions since 2012

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Knight's Tour Checker
Given a matrix a, determine whether or not a legal <http://en.wikipedia.org/wiki/Knight's_tour knight's tour> is present. The kn...

2 days ago

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Find the two most distant points
Given a collection of points, return the indices of the rows that contain the two points most distant from one another. The inpu...

2 days ago

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QWERTY coordinates
Given a lowercase letter or a digit as input, return the row where that letter appears on a <http://en.wikipedia.org/wiki/Keyboa...

3 days ago

How can I group a number of similar Simulink Outports so that Embedded Coder will define them as an array of variables in the resultant C code?
As long as all signals are of the same type, you can merge them together into a vector using the vector concatenate block. https...

4 days ago | 0

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How to pause signal at specific time for specific time?
Use the SImulink Clock block to get the current simulation time. https://www.mathworks.com/help/simulink/slref/clock.html and t...

11 days ago | 0

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Simulink Project ignore files and folders
right mouse click on the file/folder and select "Remove from Project" https://www.mathworks.com/help/matlab/matlab_prog/manag...

24 days ago | 0

How can I SEND midi commands from within Simulink?

24 days ago | 0

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Duplicates
Write a function that accepts a cell array of strings and returns another cell array of strings *with only the duplicates* retai...

25 days ago

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Maximum running product for a string of numbers
Given a string s representing a list of numbers, find the five consecutive numbers that multiply to form the largest number. Spe...

25 days ago

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Pattern matching
Given a matrix, m-by-n, find all the rows that have the same "increase, decrease, or stay same" pattern going across the columns...

26 days ago

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Counting Sequence
Given a vector x, find the "counting sequence" y. A counting sequence is formed by "counting" the entries in a given sequence...

26 days ago

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Scrabble Scores
Given a word, determine its score in <http://en.wikipedia.org/wiki/Scrabble Scrabble>. The input string will always be provi...

27 days ago

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Summing Digits within Text
Given a string with text and digits, add all the numbers together. Examples: Input str = '4 and 20 blackbirds baked in a...

27 days ago

Error while using simscape examples or blocks
Does the missing file exist on your computer? c:\Program Files\MATLAB\R2019b\bin\win64\simscape_applications\physmod\sm\sli\...

28 days ago | 1

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Why do i receive data type mismatch error when using a Simulink?
You need to add type conversion blocks upstream of the P-S block to convert the boolean signal to a double precision signal.

29 days ago | 0

How to update values ​​in Simulink
It would be easier to do this with basic simulink blocks. See attached screen shot. Unit delay block by default has initial va...

1 month ago | 0

Anonymous Function doesn't work with Simulink
try using making the two functions extrinsic. This tells Simulink to not try and generate code for these 2 functions, but to ra...

1 month ago | 0

Is it possible to call matlab m files from TLC?
Use the built-in TLC function FEVAL to run any MATLAB command, including a MATLAB function, from TLC. THis example calls the MA...

1 month ago | 0

Create Model from Excel input
You would have to write MATLAB code to do this. This link explains how.

2 months ago | 0

Bus assignment block automatically converts input data type
What is the data type of RX_Error in the bus when the bus is created? It is probably double. You will need to make the signal ...

2 months ago | 0

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Word Counting and Indexing
You are given a list of strings, each being a list of words divided by spaces. Break the strings into words, then return a maste...

2 months ago

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Find state names that end with the letter A
Given a list of US states, remove all the states that end with the letter A. Example: Input s1 = 'Alabama Montana Nebras...

2 months ago

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Tic Tac Toe FTW
Given a tic tac toe board: * 1 represents X * 0 represents empty. * -1 represents O It is X's move. If there is an imme...

2 months ago

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The Goldbach Conjecture, Part 2
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

2 months ago

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The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

2 months ago

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Elapsed Time
Given two date strings d1 and d2 of the form yyyy/mm/dd HH:MM:SS (assume hours HH is in 24 hour mode), determine how much time, ...

2 months ago

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Kaprekar Steps
6174 is the <http://en.wikipedia.org/wiki/6174_%28number%29 Kaprekar constant>. All natural numbers less than 10,000 (except som...

2 months ago

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Find the peak 3n+1 sequence value
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

2 months ago

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Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

2 months ago

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Find common elements in matrix rows
Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

2 months ago