W. Owen Brimijoin

Last seen: 5 días hace | Con actividad desde 2010

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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

más de 8 años hace

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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...

más de 8 años hace

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The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

más de 8 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...

más de 8 años hace

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

más de 8 años hace

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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

más de 8 años hace

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

más de 8 años hace

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Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

más de 8 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...

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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...

más de 8 años hace

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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

más de 8 años hace

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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

más de 8 años hace

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Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

más de 8 años hace

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

más de 8 años hace

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

más de 8 años hace

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Oscillator and Signal Generator
A simple command-line function for generating standard waveforms, click trains and noise bursts.

casi 9 años hace | 3 descargas |

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Round to X
Rounds the supplied N-D matrix to the values in a supplied array.

más de 9 años hace | 1 descarga |

Respondida
Column vector with interval
There are two ways to approach this and I think you're conflating the two: Here's one option colvec = [2:-.1:0]'; He...

más de 9 años hace | 3

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Simple operation with vectors
Location of the max y values as the index into x: x(y==max(y))

más de 9 años hace | 0

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Time Series Indexing and Averaging
Outputs windowed means of a continuous set of data given a vector of labels and time stamps

más de 9 años hace | 1 descarga |

Respondida
how can i get the average of group of rows in time series?
I might suggest a function I have <http://www.mathworks.com/matlabcentral/fileexchange/47142-timeseries-indexer-labels-timestamp...

más de 9 años hace | 0

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How do I fix this uigetfile multiselect error?
Don't know if this is the cause of your problem, but I can say that uigetfile in 'MultiSelect' mode has the bothersome behavior ...

más de 9 años hace | 0

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how to mix two audio signals
Simple mixing is just adding. y3 = y1 + y2; If you want to control the level of each within the mix, then you need to ad...

más de 9 años hace | 2

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how to calculate element distance in a vector?
Try this: answer = sum((abs(diff(M,1,2))),2)

casi 10 años hace | 2

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how to calculate element distance in a vector?
It looks like you want the sum of the absolute value of the differential of those numbers? You get your first answer like this: ...

casi 10 años hace | 1

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How to put wav file as input argument of a function ?
You need to load the signal that's in the file 'Songbird.wav' into the Matlab workspace first: stimulus = audioread('Songbi...

casi 10 años hace | 0

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generating aperodic impulse train or triangular pulse or rectangular pulse
It's a bit hard to know exactly what parameters you are after, but if all you are doing is making a click train with randomly ch...

casi 10 años hace | 0

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W. Owen Brimijoin

Estadística

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