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The function gets the 2nd derivatives of a vector with two finite boundaries
The function gets the 2nd derivatives of a vector with two finite boundaries.

function V2ndDx = get_V2ndDx(V,delta_x,INDstart,INDend)

Input:
V = the input vector, 1D data
delta_x = delta x
INDstart = first index
INDend = last index

Output:
V2ndDx = 2nd derivative of M with respect to x (horizontal direction)



This is a simple utility to detect EPSPs, IPSPs, EPSCs, or IPSCs in a data set with many adjustable parameters if necessary. It is based on a cumulative derivative function on a smoothed version of the data. A graphical interface to the function...



Calulate the derivative of potential Sutton-Chen, for any number of atoms
Calulate the derivative of potential Sutton-Chen, for any number of atoms. Comments are in spanish. Email me for more details.



Piecewise cubic spline interpolation and approximated calculation of first and second derivative at the interpolation point.



This function gets the 1st derivatives of a vector V with two boundaries
Input:
V = the input vector, 1D data
delta_x = delta x
INDstart = first index
INDend = last index

Output:
VDx = 1st derivative of V...



I have built the rules in simulink and not using the fuzzy logic toolbox.This controller is a two input one output fuzzy controller
The first input is the error=x. The second input is the error_dot=y(time derivative of the error)
The...



The subroutine returns a spline which represents the jth derivative of a given spline as produced by mkpp. It is based on the Mathworks solution found at:
http://www.mathworks.com/support/solutions...html?product=ML



Learn Matlab GUI to code an equity derivative calculator, options include:

European option
American option
Asian option
Index future
Cash-or-nothing option
Asset-or-nothing option
Lookback option



Spectr-O-Matic is an object-oriented toolbox for automating basic operations on spectroscopic datasets, such as: load, save and organize spectra, add, subtract, multiply, divide spectra, extract baseline, normalize, calculate derivative, find...



This is a prediction market (AKA event derivative or idea future) module for Drupal. It is currently not completely functional. The development of this module is being done completely in the open as a learning tool as part of the Drupal Dojo. See...



We present here a program Fie that solves numerically Fredholm integral equations of the second kind on an interval [a,b] to a specified, modest accuracy. Test programs are also included for the various cases. The program TestAll, with no input...



A kalman filter based on a constant velocity model and constant process noise reaches is steady-state after few samples. In steady-state the actual position estimate of the kalman gives the same performances of a zero+two-pole lowpass filter...



The two inputs X and Y are vectors defining a set of N points. The function uses Lagrange's method to find the N-1th order polynomial that passes through all these points, and returns in P the N coefficients defining that polynomial. Then,...



Calculates the zeros of the first derivatives of Bessel function.
Updates BessDerivZerosBisect.m with these changes:
1. Allows for m = 0
2. Allow the user to specify the particular m and k values desired.
3. Allows for a...



Based on the concept of the Taylor Table given in Fundamentals of Computational Fluid Dynamics by Lomax, Pulliam, and Zingg.

Given the terms of the point operator, "TaylorTable" will determine the coefficients of the terms...



It performs piecewise parabolic interpolation and approximated calculation of first and second derivative at the interpolation point.



Arterial blood pressure waveforms contain rich pathophysiological information; hence receive much attention in cardiovascular health monitoring. To assist computerized analysis, an automatic delineator was proposed for the fiducial points of...



call: function to calculate BS call price
call_vega: BS call vega (i.e. partial derivative of call with respect to vol)
Phi: normal cdf
PhiPrime: normal pdf
impvol: finds vol given a call price

demo: a script...



This is a simple FFT based beam propagation method for potential-free 1+1+1D Schrodinger equation. The software if flexible and allows to introduce high-order derivatives in the term (very handful if is needed to include dispersion effects). For...



This submission contains the basic functions that are necessary for using the matrix approach to discretization of fractional differential equations, and demos.

The method is described in the following articles:
[1] I. Podlubny,...