# Exponential xsquared using addition operation in c

The following C project contains the C source code and C examples used for exponential xsquared using addition operation.

# Gradient using first order derivative of gaussian in matlab

The following Matlab project contains the source code and Matlab examples used for gradient using first order derivative of gaussian. [gx,gy]=gaussgradient(IM,sigma) outputs the gradient image gx and gy of image IM using a 2-D Gaussian kernel. Sigma is the standard deviation of this kernel along both directions.

# Natural log of a sum of exponentials in matlab

The following Matlab project contains the source code and Matlab examples used for natural log of a sum of exponentials . maxstar(x) is the natural log of a sum of exponentials overcoming the numerical failure of log(sum(exp(x))) for extreme values of an argument vector x.

# Gaussian curve fit in matlab

The following Matlab project contains the source code and Matlab examples used for gaussian curve fit. [sigma,mu,A]=mygaussfit(x,y) [sigma,mu,A]=mygaussfit(x,y,h) this function is doing fit to the function y=A * exp( -(x-mu)^2 / (2*sigma^2) ) the fitting is been done by a polyfit the lan of the data.

# Integer order 1d gaussian function in matlab

The following Matlab project contains the source code and Matlab examples used for integer order 1d gaussian function. Computes the Gaussian function in 1D: exp(-log(2)*(2*(x-x0)./FWHM).^(2*floor(abs(order)))); Where: x = Co-ordinate x0 = Centre of function FWHM = Full Width Half Max of the function order = Gaussian order Normal Gaussian is of order 1. Note that FWHM = (1/e Half Width)/sqrt(2*log(2)) log is the natural log.

# Integer order radial 2d gaussian function. in matlab

The following Matlab project contains the source code and Matlab examples used for integer order radial 2d gaussian function.. Calculates a rotated 2D gaussian (cylindrical) y = gauss2D_R(X, Y, FWHM_x, FWHM_y, theta, order); X = Matrix of x indices Y = Matrix of y indices FWHM_x = FWHM in x dimension FWHM_y = FWHM in y dimension theta = Rotation angle in degress (+ve = anticlockwise) order = Gaussian order Set: X = ones(Ny, 1) * ((0:Nx-1)*dx - x0) Y = ((0:Ny-1)*dy - y0) * ones(1, Nx);.

# Multivariate gaussian kernel in any derivative order in matlab

The following Matlab project contains the source code and Matlab examples used for multivariate gaussian kernel in any derivative order. NDGAUSS: create ND gaussian kernel in any derivative order.

# Matrix exponential in matlab

The following Matlab project contains the source code and Matlab examples used for matrix exponential. This method is based on expanding the exponential function on the negative real axis into a rational Chebyshev series.

# Log and exponential transforms in matlab

The following Matlab project contains the source code and Matlab examples used for log and exponential transforms. Select a image and apply log_expT.m ti that u can get log transformed and the corresponding exponential transformed of the log transformed image. so that we can see the difference between original and exponential image.

# Gaussian normally distributed random data in matlab

The following Matlab project contains the source code and Matlab examples used for gaussian normally distributed random data. normrnd_normfit helps the user generate a normally distributed random set of data and then fit a Gaussian curve on the top of the data and back compute its mean and standard deviation.

# Create a non isotropic 3d gaussian point spread function (psf) in matlab

The following Matlab project contains the source code and Matlab examples used for create a non isotropic 3d gaussian point spread function (psf). %% NONISOTROPICGAUSSIANPSF - Creates a isotropic / non isotropic 3D Gaussian kernel.

# Fit 2d gaussian function to data in matlab

The following Matlab project contains the source code and Matlab examples used for fit 2d gaussian function to data. The program generates a 2D Gaussian.

# Fitting with single exponential curve in the form of: yfit = yinf + (y0-yinf) * exp(-k*(x-x0)) in matlab

The following Matlab project contains the source code and Matlab examples used for fitting with single exponential curve in the form of: yfit = yinf + (y0-yinf) * exp(-k*(x-x0)) . % FITEXPONENTIAL fits a time series to a single exponential curve % [k, yInf, y0] = fitExponential(x, y) % % The fitted curve reads: yFit = yInf + (y0-yInf) * exp(-k*(x-x0)).

# Catenary hanging rope between two points in matlab

The following Matlab project contains the source code and Matlab examples used for catenary hanging rope between two points. Given two points in the vertical plane and a given length of rope, the supplied function computes the trajectory of the catenary between those points. Run plot_catenary.m for an interactive demo. See http://en.wikipedia.org/wiki/Catenary for a full description of the catenary curve.

# Anisotropic isotropic 3 d gaussian profile in matlab

The following Matlab project contains the source code and Matlab examples used for anisotropic isotropic 3 d gaussian profile . Gaussian3D Creates 3-D Gaussian Kernel of specified width sigma_array=[sigma_x, sigma_y, sigma_z] How to use the function: Sx=3;Sy=4;Sz=5; G = Gaussian3D([Sx, Sy, Sz], [7*Sx, 7*Sy, 7*Sz]);

# Geometric gaussian kernel bolstered error estimation for linear classification in matlab

The following Matlab project contains the source code and Matlab examples used for geometric gaussian kernel bolstered error estimation for linear classification. Classification and feature selection techniques are among the most commonly used mathematical approaches for analysis and interpretation of biological data.

# Matrix exponential in matlab

The following Matlab project contains the source code and Matlab examples used for matrix exponential. In the classical scale-and-square exponential algorithm, numeric precision is degraded by large diagonal terms in matrices that are nearly equal to the identity matrix.

# Express as exponential series in matlab

The following Matlab project contains the source code and Matlab examples used for express as exponential series. This function is designed to convert a general expression into a sum of coefficients with exponential terms.

# Matrix exponential times a vector in matlab

The following Matlab project contains the source code and Matlab examples used for matrix exponential times a vector. This submission computes the action of the matrix exponential on a vector without explicitly computing the matrix exponential.

# Modular exponentiation in matlab

The following Matlab project contains the source code and Matlab examples used for modular exponentiation. main executing reference usage: usage_modularExponentiation : Example not using binary exponent usage_modularExponentiation_binaryExponent : Example using binary exponent fast_ToyBinaryExponentiation_Example : Miscellaneous stand-alone sample runs modularExponentiation_binaryExponent_typeI : right to left modularExponentiation_binaryExponent_typeIIA : left to right modularExponentiation_binaryExponent_typeIIB : left to right

# The matrix exponential in matlab

The following Matlab project contains the source code and Matlab examples used for the matrix exponential. The method is based on CF approximation which is discussed here: http://www. 