Dataset

StructTetraMesh is a tool to build structured tetreaedral mesh on cuboid dataset. This is usefull in avoiding delaunay 3D triangulation that for this kind of dataset are particularly slow and numerically unstable.This tool allows a huge speed improvement against delaunayn for 3D points, the...

Outperforms other algorithms in speed and memory requirement especially for large dataset.%function [costs] = mdijkstra(A,C)%%A=square matrix (either adjacency or cost)%%if C=1 then A=adjacency matrix% where, element(i,j)=1 when vertex v is directly connected with j% else (i,j)=0%%if C=2 then...

To test al model, with real data it can be useful to pick a smaller sample out of a bigger dataset.An other application could be to decide how small a random sample should be to see if the process is working property


Platforms: Matlab

This demo shows some examples for image pre-processing before the recognition stage. the first example is just some commnads of image processing which are commonly used for preprocessing, while the second example shows how to use the simple command to automate the image processing stage...


Platforms: Matlab

Where several instruments record a time-series of data with a common time record, quality control and despiking of the data is often linked between the instruments. This function allows a variable number of datasets (with a common time record) to be plotted and scrolled through. Bad data can be...


Platforms: Matlab

This script shows how to compute the Diffusion Kurtosis (DKI) Coefficients from a given Diffusion-Weighted MRI dataset. The script implements several fitting methods with various constraints from the article by A. Barmpoutis and J. Zhuo "Diffusion Kurtosis Imaging: Robust Estimation from DW-MRI...


Platforms: Matlab

This ZIP file contains the presentation and demo files used in the July 12, 2007 Introduction to Statistics Toolbox Webinar.The Webinar introduces the MATLAB environment and showcases some of the newest features of the Statistics Toolboxd-OC?D? 6.0 (categorical and dataset arrays).It is...


Platforms: Matlab

A reaction object contains parameters that describe a chemical reaction scheme in terms of reagents, reaction steps, rate constants and equilibrium constants. The reaction can be evaluated to provide concentrations of species as a function of time and starting concentration. The reaction can also...


Platforms: Matlab

INVDISTGRID Simple, robust gridding using inverse-distance interpolation. [Xi,Yi,Zi] = invdistgrid[X,Y,Z,dx] Grids values in vector Z with coordinates X and Y into an array with spacing dx using inverse-distance weighting (default power =2). All data between grid points are used in weighting. If...


Platforms: Matlab

function ind=datasetStrFind(dset,str,vars)like strfind.m but applies on datasets instead of cell arrays.The "dataset" type is a matlab type which allows to store data in a similarway than database tables. Database operations such as join can by applied(see the function join). However I did not...


Platforms: Matlab

Dataset and m files for the Computational Statistics webinar.myloess.m is used to interpolate a LOESS curve. chole_loess.m is the primary m files used during the webinar.


Platforms: Matlab

In this work we present a generalization of partitional clustering aiming at the inclusion into the clustering process of both distance and direction of the point of observation towards the dataset. This is done by incorporating a new term in the objective function, accounting for the distance...


Platforms: Matlab

Matlab class to create and access HDF5 datasets transparently as Matlab variable. Data can be accessed and written with subscript referencing and assignment methods, just like matlab variables, only size must be explicitly changed, and brackets or conversion to double is needed if the full...


Platforms: Matlab

This function m-file reads the information from MTL text file, which contains metadata information for the dataset. MTL file is usually accompanied with the LANDSAT 7 ETM+ image dataset distributed from USGS.Hope this code helps automating the process for a number of imagery.


Platforms: Matlab

Matlab offers functionality for maps / dictionaries (a key-value store datatype). Iterating over a map can be cumbersome and that's where foreach steps in.Usingresultmap = foreach(map, fctH)calls function handle fctH with each item of the map. The result is stored in the resultmap which has the...


Platforms: Matlab

A collection of one or more related @datasets, achieving a sparse (and possibly normalized) representation of a larger @dataset Dataviews are compressed by providing a list of "key" variable names (analogous to key fields in a database) and a name for a new integer variable variable which will...


Platforms: Matlab

Set nominal values for/group a dataset by specifying a fraction which determines how far away from the original value a nominal value can be.Ex: A set of velocity data:v = [0 9.03, 0.1, 5.2, 0.101, 0.095, 5.01,0, 9, 4.9, 9.2, 8.9, 5.3]; nomV = setNom( v, 0.1 ); plot( (nomV-v)./v, '*' );...


Platforms: Matlab

Wrapps handling an excel sheet in a MATLAB ClassSupports:* Launching an Excel Sheet in Foreground or in Background* Save the workbook* Run a macro* Assign a range* Refresh workbook* Export Sheet to PDF* Select a given sheet* Reinstall an Add-in* Get a data table given the name of the first column...


Platforms: Matlab

This script shows how to compute a Higher-order Diffusion Tensor from a given Diffusion-Weighted MRI dataset. The method guarantees that the estimated tensor is positive-definite or at least positive semi-definite. This implementation is based on the article by A. Barmpoutis and B.C. Vemuri, "A...


Platforms: Matlab

MATLAB GUI for exploring 3D datasets through a sleek and simple interface (sample dataset included) ORTHOVIEW3D GUI for interactive viewing of 3D Volumes ORTHOVIEW3D is used to view orthographic slices of 3D volumes Type in an expression that generates a 3D array then press the Display button...


Platforms: Matlab