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Justin


Controls and Data Services Inc

Con actividad desde 2014

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2014b Subplot legend zoom error
Hi Lena. I got a response from mathworks that states the following: Hello Justin, I am writing in reference to your ...

más de 9 años hace | 1

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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...

casi 10 años hace

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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...

casi 10 años hace

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What is the next step in Conway's Life?
Given a matrix A that represents the state of <http://en.wikipedia.org/wiki/Conway's_Game_of_Life Conway's game of Life> at one ...

casi 10 años hace

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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...

casi 10 años hace

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Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

casi 10 años hace

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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...

casi 10 años hace

Respondida
Solve equation with 2 variables being vectors
Edited for clarification: This may do the trick. It has a loop but only one for implementing the function. After it is run ...

casi 10 años hace | 0

Respondida
Slider Event Listener Creates a new figure instead of updating Existing figure.
Hello :) I don't have the image processing toolbox but I believe imshow will work similar to some other functions. You shoul...

casi 10 años hace | 1

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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

casi 10 años hace

Respondida
Plotting multiple figures from a for loop on the same graph
I'm not sure I understand exactly what you are trying to get but I will try to help. Matlab nomenclature usually refers to th...

casi 10 años hace | 4

Respondida
How can I eliminate the following error?
The problem comes in when you are defining your M as an array of doubles before the loop. I would make sure there exists no M i...

casi 10 años hace | 4

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Respondida
How do I disable the new pop-up command history window?
One way is to press the up arrow in the command window so the history shows up. Then you can right click the bar on the top of ...

casi 10 años hace | 6

| aceptada

Respondida
Converting Cell to Double
There may be a better way to import the text file so the data is automatically read in as numeric values. Try using the Import ...

casi 10 años hace | 0

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Respondida
How to create a matrix of four dimensions in which the fourth dimension is not fixed?jkjsdfhlksdjhf
If you don't need to compile your code Matlab is very flexible with array sizes. For example if you have A = zeros([2 2]); you ...

casi 10 años hace | 0

Respondida
How to track numbers in the MATLAB excel sheet?
I believe the correct name for what you are referring to as the Matlab excel sheet is called the Variable Editor. A simple an...

casi 10 años hace | 0

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How to speed up the following code. I need to optimize it for fastest performance in Matlab 7.0 version
What is lat_BOX and lon_BOX and where are m and n defined? Also, what is the concept of what the conditional statements are app...

casi 10 años hace | 0

Respondida
Finding x-values from found y-values
If I understand the question correctly you want may just be able to use <http://www.mathworks.com/help/matlab/ref/ginput.html gi...

casi 10 años hace | 0

Respondida
How to pick the j-th percentile of a vector?
Is the function <http://www.mathworks.com/help/stats/prctile.html prctile> what you are looking for? It is in the statistics ...

casi 10 años hace | 0

Respondida
Interpreting varargin name-value pairs.
I'm always a fan of cellfun. inputExist = find(cellfun(@(x) strcmpi(x, 'fontname') , varargin)); if inputExist font...

casi 10 años hace | 0

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

casi 10 años hace

Respondida
problem for creating vector with for loop
This is not a difficult task to do but does take a little extra planning in how to index the first array. I'll give you an ex...

casi 10 años hace | 0

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Is my wife right?
Regardless of input, output the string 'yes'.

casi 10 años hace

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Spot the outlier
All points except for one lie on a line. Which one is the outlier? Example: You are given a list of x-y pairs in a column ...

casi 10 años hace

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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...

casi 10 años hace

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Which doors are open?
There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

casi 10 años hace

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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 ...

casi 10 años hace

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Renaming a field in a structure array
MATLAB has a <http://www.mathworks.com/help/techdoc/ref/setfield.html setfield> and a <http://www.mathworks.com/help/techdoc/ref...

casi 10 años hace

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Test for balanced parentheses
Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...

casi 10 años hace

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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...

casi 10 años hace

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