W. Owen Brimijoin

Last seen: 4 Monate vor | Aktiv seit 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...

mehr als 8 Jahre vor

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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...

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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".

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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...

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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 ...

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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.

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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...

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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 ...

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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...

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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...

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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...

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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.

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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...

mehr als 8 Jahre vor

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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:...

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

etwa 9 Jahre vor | 6 Downloads |

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

fast 10 Jahre vor | 1 Download |

Beantwortet
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...

fast 10 Jahre vor | 3

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

fast 10 Jahre vor | 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

fast 10 Jahre vor | 1 Download |

Beantwortet
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...

fast 10 Jahre vor | 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 ...

fast 10 Jahre vor | 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...

fast 10 Jahre vor | 2

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

etwa 10 Jahre vor | 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: ...

etwa 10 Jahre vor | 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...

mehr als 10 Jahre vor | 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...

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W. Owen Brimijoin

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