W. Owen Brimijoin

Last seen: 9 giorni fa | Attivo dal 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...

circa 8 anni fa

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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...

circa 8 anni fa

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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".

circa 8 anni fa

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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...

circa 8 anni fa

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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 ...

circa 8 anni fa

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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.

circa 8 anni fa

Risolto

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...

circa 8 anni fa

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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...

circa 8 anni fa

Risolto

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 ...

circa 8 anni fa

Risolto

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...

circa 8 anni fa

Risolto

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...

circa 8 anni fa

Risolto

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...

circa 8 anni fa

Risolto

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...

circa 8 anni fa

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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...

circa 8 anni fa

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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...

circa 8 anni fa

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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.

circa 8 anni fa

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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...

circa 8 anni fa

Risolto

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:...

circa 8 anni fa

Inviato

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

oltre 8 anni fa | 5 download |

Inviato

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

circa 9 anni fa | 1 download |

Risposto
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...

circa 9 anni fa | 3

| accettato

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

circa 9 anni fa | 0

| accettato

Inviato

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

circa 9 anni fa | 1 download |

Risposto
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...

circa 9 anni fa | 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 ...

oltre 9 anni fa | 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...

oltre 9 anni fa | 2

| accettato

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

oltre 9 anni fa | 2

Risposto
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: ...

oltre 9 anni fa | 1

| accettato

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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...

oltre 9 anni fa | 0

Risposto
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...

oltre 9 anni fa | 0

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W. Owen Brimijoin

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