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EDFT (Extended Discrete Fourier Transform) algorithm produces N-point DFT of sequence X where N is greater than the length of input data. Unlike the Fast Fourier Transform (FFT), where unknown readings outside of X are zero-padded, the EDFT algorithm for calculation of the DFT using only...

y = RankOrderFilter(x, window, thd) runs a rank-order filtering of order N on x. y is the same size as x. If x is a matrix, RankOrderFilter operates along the columns of x.Rank-order filter calculates the p'th percentile of the data on an N sized window round each point of x. p can be a number...

The characterisation of the downsampler block can be done by the formula:y(n)=x(nM)Syntax:[y ny]=downsampler(x,n,M)x is an input sequence over indices specified by n.L is the downsampling rate.It ignores (M-1) samples between kth sample and (k+M)th sample.y is the output sequence over indices...


Platforms: Matlab

This m-file returns the beta-binomial probability density function with parameters N, A and B at the values in X. Note: The density function is zero unless N, A and B are integers.The Beta-binomial distribution is used to model the number of successes in n binomial trials when the probability of...


Platforms: Matlab

Dimo 4K Video Converter for Mac is the best 4K Converter for Mac to compress 4K videos to 1080p HD, 720p SD video for enjoying on more devices, like Mac, HD TVs, mobile phones and tablets, editing in FCP, iMovie, Premiere Pro, Avid MC, etc, and uploading onto Vimeo, Facebook, etc, on Mac. Armed...


Platforms: Mac

This program computes the projection of any n-dimensional vector y onto the canonical simplex Dn defined by Dn:={x: x n-dimensional vector, 0


Platforms: Matlab

IDX = OTSU(I,N) segments the image I into N classes by means of Otsu's N-thresholding method. OTSU returns an array IDX containing the cluster indices (from 1 to N) of each point. IDX = OTSU(I) uses two classes (N=2, default value). [IDX,sep] = OTSU(I,N) also returns the value (sep) of the...


Platforms: Matlab

Let X(1),X(2),...,X(N) be the ordered statistics of a sample X1,X2,...,XN from a normal distribution. LetM = median([X1,X2,...,XN]) and S = mad([X1,X2,..XN],1)/.6745 be robust stimators of (respectively) the mean and standard deviation of the distribution.The Hampel identifier is a rule which...


Platforms: Matlab

Given a nonnegative integer n, tau(n) is the Ramanujan tau function of n, defined as the coefficient of x^n in the Taylor expansion ofx * prod_{k>=0}(1 - x^k)^24. This is an integer function with fascinating number theoretic properties. For instance, it's multiplicative, meaning tau(m*n) =...


Platforms: Matlab

This function uses a non-linear interpolation (Lagrange) to estimate y given x, based on a set of observed x-y points. Coordinates will be sorted based on the x-value of the pair. The x-value provided by the user to calculate y will be estimated using two points left and two points right of the...


Platforms: Matlab

DISTMATLATLON Computes distance matrix between list of coords in X and Y D = DISTMATLATLON(X,Y) for matrices X and Y, with columns [Lat Lon], returns the distance matrix where the (i,j)th entry is the distance between the i'th and j'th row of X and Y respectively. X and Y must have columns in the...


Platforms: Matlab

MOVING will compute moving averages of order n (best taken as odd) Usage: y=moving(x,n[,fun]) where x is the input vector (or matrix) to be smoothed. m is number of points to average over (best odd, but even works) y is output vector of same length as x fun (optional) is a custom function rather...


Platforms: Matlab

MdoDsller's method uses three points, It constructs a parabola through these three points, and takes the intersection of the x-axis with the parabola to be the next approximation. The order of convergence of MdoDsller's method is approximately 1.84. This method could be advantageous if looking...


Platforms: Matlab

Valid inputs:substr(X) Longest substring in variable Xsubstr(X,n) All substrings of length n in variable Xsubstr(X,Y) Longest common substring between variables X and Ysubstr(X,Y,n) All substrings of length n common to both X and Y[...]substr(A,B,C,D,[...]) Longest common substring among all...


Platforms: Matlab

Fast euclidian norm over N.th dimension of a DOUBLE arrayY = DNorm2(X, N)INPUT: X: Real DOUBLE array. N: Dimension to operate on.OUTPUT: Y: Euclidian norm over N.th dimension: Y = sqrt(sum(X .* X, N)). Length of N.th dimension of Y is 1. NaN's are considered.Matlab's built-in function NORM is...


Platforms: Matlab

This is to visualize the functions of 3 independent variables ( v=f(x,y,z) ), which becomes 4 dimensional problem.It just uses the MATLAB function "slice", in an effective way, leading to customizable 4 dimensional visualization tool.Function should first be calculated at the required...


Platforms: Matlab

xawtv started as TV application for the bttv driver, because the Motif-based "xtvscreen" was the only TV application at this time. Alot has changed since: ???N*?* The xawtv and bttv driver switched over to the video4linux interface. ???N*?* Support for more interfaces was added: Xvideo Extention,...


Platforms: *nix

In the dao to programming, some new forms, such as 3(x+5)(4a(5b+A11)), where A11 means A1 in other programming, |x|, the absolute value of x, n!, the factorial of n, date and time format, file path, url, email address, a menu in the restaurant, and all that, would become legal source code.


Platforms: *nix

As the top DVD companion software for Mac, DVDmate for Mac integrates Mac DVD ripper/backup/player/editor/media server, gif maker, 3D/VR creator on Mac OS X 10.5 and later. With it, you can backup DVD to mkv in multi-track or losslessly, copy DVD to vob, save DVD to Video_ts, fast rip DVD any...


Platforms: Mac

XML::DOM::XML_Base Perl module can apply xml:base to attribute values. SYNOPSIS use XML::DOM::XML_Base; my $parser = XML::DOM::Parser->new(); my $xml = qq( ); # build the DOM my $dom = $parser->parse( $xml ); # get some elements my $endo = $dom->getElementsByTagName(...


Platforms: *nix