This code takes an expression for a normalized AF in spherical coordinates and creates a 3D plot in cartesian coordinates. Examples are specific to Antenna Theory and Design (2nd Ed) by Stutzman and Thiele.
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This script contains a function that creates missing directories for a given path and returns a normalized absolute version of the path.If the given path already exists in the filesystem the filesystem is not modified.Otherwise makepath creates directories along the given path using the dirname()...
Platforms: Windows, Mac, *nix, Python, BSD Solaris
|License: Freeware||Download (33): Helpful 5-liner version of os.makedirs Download|
Data stored column-wise in an input matrix are normalized as time series, with options to output just the normalized data, or the norm of each column as well. Fast, uses no loops.
|License: Freeware||Size: 10 KB||Download (19): normColumns.m Download|
Normalized mutual entropy provides a measure of the diversity of a two dimensional matrix. It takes mutual entropy and normalizes for the marginal entropy of the variable of interest (column variable in the code). See screen shot or embedded references for formula.This code is used for the...
|License: Freeware||Size: 10 KB||Download (19): Normalized Mutual Entropy Download|
alculate the normalized partial energy sequence (NPES) for a given signal vector X.If a particular transform is capable of capturing the key features of a signal in few coefficients, the NPES will approach unity for relatively quickly.Ref: Percival and Walden, Wavelet Methods for Time Series...
|License: Freeware||Size: 10 KB||Download (18): Normalised Partial Energy Sequence Download|
Both functions caculate the Lomb normalized periodogram (aka Lomb-Scargle, Gauss-Vanicek or Least-Squares spectrum) of a vector x with coordinates in t, which is essentially a generalization of the DFT for unevenly sampled data.The codes are transcriptions from Fortran of the subroutines found in...
|License: Freeware||Size: 10 KB||Download (18): Lomb normalized periodogram Download|
Have you ever created an object for your GUI using Normalized units, but wanted to get its position in Points to line up a text object according to the font size? Instead of SETting the Units property to Points, GETting the Position, and SETting the Units back to Normalized, just use...
|License: Freeware||Size: 10 KB||Download (18): GETINUNITS Download|
http://simulations.narod.ru/Run cross_product.mSee how it looks here:Also plot [bxa], n - normalized [axb] and signs. create_3d_arrow.m and update_3d_arrow.m function s to work with 3d arrow.
|License: Freeware||Size: 20.48 KB||Download (18): cross product visualization Download|
Using Affymetrix CEL files as its source, this script combines quantile normalized SNP A and B probe intensities for each marker into a theta value, then calculates B-Allele Frequencies for each marker. For information on accessing B Allele Frequencies for Illumina data,
|License: Freeware||Size: 1.02 KB||Download (18): Affymetrix B Allele Frequency Calculation Download|
This program is open source code of fast Fourier transform in matlab.Where y is the input argument and p is the normalized size of the input. Lety = [1 2 3 4 ];x= length(y);m= log2(x);p= ceil(m);To call the function useft2(y,p);
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The different low dimensional embeddings are an orthonormal coordinate system generated from a1. Diffusion process defined on the data2 . Normalized Laplace Beltrami operator3. Normalized Focker Plank operatorThis is a nonlinear dimension reduction technique using the concepts of manifold...
|License: Freeware||Size: 890.88 KB||Download (20): Eigen Function of the Laplacian Download|
[Fs,Vs]=subtri(F,V,n)Sub-triangulates the triangles defined by the patch format data F (faces) and V (vertices). Can be used to increase the density of triangulated data or to triangulate the icosahedron to create geodesic sphere triangulations with desired density.Creates n addition points on...
|License: Freeware||Size: 10 KB||Download (19): subtri Download|
For purposes of these tools, a quaternion, q, is just a four element vector where q(1:3) is the "imaginary" or "vector" portion of the hypercomplex number, and q(4) is the "real" or "scalar" portion. Consequently, if q represents a rotation, then: q(1) = v1*sin(phi/2) q(2) = v2*sin(phi/2) q(3) =...
|License: Freeware||Size: 30.72 KB||Download (20): Quaternion Toolbox Download|
This function generates patch data (faces d-deDUFd-deDt, vertices d-deDUVd-deDt and color data d-deDUCd-deDt) for 3D images. The patches are only generated for the voxels specified by the linear indices in d-deDUINDd-deDt. The variable d-deDUptyped-deDt indicatesthe type of patch:d-de?vd-deOao...
|License: Freeware||Size: 10 KB||Download (18): ind2patch Download|
Run the M-file and place the poles of your system, then press ENTER. After, insert the zeros of your system, then press ENTER. The result is the Bode diagram of the filter's normalized frequency response that has NUM and DEN with the same order
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function W = euklid_W(ws,d,n)function W = euklid_invW(ws,d,n) PURPOSE: create an (inverse) euklidean distance spatial weight matrix (n x m 'moving-window' style matrix with distance to center cell weighted.) ------------------------------------------------------------------ USAGE: W =...
|License: Freeware||Size: 10 KB||Download (18): Euklid (Inverse) Distance Weight Matrix Download|
a simple function that returns a colormap, C, for visualizing gene expression. C is just a N x 3 matrix [R G B] describing the range of color values.example usage: C = exp_colormap('blue-yellow',64); colormap(C);called without any arguments, it returns a [3 x 64] green-red colormap.options for...
|License: Freeware||Size: 10 KB||Download (18): Gene Expression Colormap Download|
This function plots sand, silt and clay fraction data on a ternary plot that is marked with the Shepard classification scheme labels from his article:Shepard, F.P., 1954, Nomenclature based on sand-silt-clay ratios: Journal Sedimentary Petrology, v. 24, p. 151-158.This function is merely a...
|License: Freeware||Size: 10 KB||Download (20): Shepard_Ternary_Plot Download|
Apply the Droste Effect to an image using a GUI or function call.The Droste Effect is when an image recursively includes itself. The basic method is to insert a scaled copy of the image, but more interesting results can be achieved via conformal mapping.The GUI can load an image, set a...
|License: Freeware||Size: 1.59 MB||Download (19): Droste Effect Tool Download|
m3uCopy is a frontend to copy audiotracks from m3u-playlist to any mountable device (mp3-player, hd). Tracks can be converted to other audio format and/or normalized. Optionaly creating a bash script for later use. The interface is developed with gambas.
|License: Freeware||Size: 71.68 KB||Download (19): m3u-Copy Download|