Raspberry Pi Quadrature Encoder SFunction by Joshua Hurst

Quadrature encoder route implemented with interrupts with WiringPi (control, motor driver, encoder)

Quadrature_Encoder_RPi_SFunction

Demonstration of QPSK waveforms by Ankitkumar Chheda

This upload will be helpful for students which demonstrates the QPSK waveforms. (qpsk, technique, modulation)

QPSK.m

inttet by Immanuel Anjam

3D integration quadrature for unit tetrahedron (3d, integration, quadrature)

inttet(p)

Chebfun by Chebfun Team

Numerical computation with functions instead of numbers. (chebfun, approximation, interpolation)

A greedy algorithm for choosing interpolation points

A keyhole contour integral

A parameter dependent ODE with breakpoints

Gauss Hermite quadrature rule by David Holdaway

generates zeros of a Hermite polynomial of degree n to tolerance "tol" and their associated weights. (mathematics, numerical integration, quadrature)

gengausshermquadrule2( nmax,tol,numpoint,reccalls,maxrec)

QUADSAS by Lawrence Shampine

Integrate functions that have strong algebraic end point singularities over a finite, real interval. (quadrature, numerical integration, singularity)

quadsas.m

QUADGR by Jonas Lundgren

Gauss-Legendre quadrature with Richardson extrapolation. (integration, legendre, approximation)

quadgr(fun,a,b,tol,trace,varargin)

Gauss quadrature nodes and weights. by Nick Hale

Computing Gauss quadrature nodes and weights with the chebfun system (chebfun, gauss, quadrature)

legpts_demo.m

Acquiring IQ Data - Tektronix 6000 Series Spectrum Analyzer by Roger Yeh

MATLAB® function to configure a Tektronix® RSA6000 spectrum analyzer and acquire IQ data. (tektronix, tek, instrument control)

TekRSA6K_AcquireIQData(IPAddress)

getLebedevSphere by Robert Parrish

Produces Lebedev Grids of up to the 131st order for integration on the unit sphere. (integration, quadrature, lebedev)

getLebedevSphere(degree)

Legendre Laguerre and Hermite - Gauss Quadrature by Geert Van Damme

Nodes and weights for Legendre Laguerre and Hermite - Gauss Quadrature (gauss quadrature, gausshermite, gausslegendre)

GaussHermite_2(n)

GaussLaguerre_2(n, alpha)

GaussLegendre_2(n)

Iterative Adaptive Simpson and Lobatto Quadrature by Matthias Chung

Iterative Adaptive Simpson and Lobatto Quadrature (integration, adaptive, simpson)

adaptiveLobatto(fcn, a, b, varargin)

adaptiveSimpson(fcn, a, b, varargin)

gui calculator based on gaussian quadrature inegration by Nassim Khaled

gui calculator/integrator based on gaussian quadrature inegration (gui, calculator, integrator)

int_calculator(varargin)

rombquad by Matt Fig

Performs Romberg quadrature. (integration, romberg quadrature, numerical)

rombquad(f,a,b,m)

gaussquad by Matt Fig

Adaptive form of gaussleg.m. (integration, gauss, gaussian)

gaussquad(f,a,b,tol)

Sparse grid quadrature by Greg von Winckel

Computes the nodes and weights for a sparse grid on a hyperrectangle (integration, sparse, quadrature)

[x,w]=spquad(dim,ord,bpt)

quadvgk by Adam Wyatt

G7-K15 adaptive quadrature on vector-valued functions (vector, valued, quadrature)

quadvgk(fv, Subs, NF)

Carrierless 16-QAM (CAP) Modem by Samir Rawashdeh

A Simulink model for Carrierless Amplitude Phase Modulation (CAP) (coding theory, information theory, carrierless amplitude...)

CAP

QPSK Transmitter and I/Q Correlator Receiver. by Farhat Masood

Modified version of QPSK Transmitter and I/Q Correlator Receiver (psk, correlator, quadrature)

QPSK_TX_IQ_RX_REV1.m

Quadrature rules for spherical volume integrals by Greg von Winckel

Computes weights and nodes for numerically solving spherical volume integrals. (volume, gauss, spherical)

[r,t,p,w]=spherequad(nr,nt,np,rad)

Fast_DiffQuad by Mehmet Murat Altug Bicak

Faster Differential Quadrature Matrix (differential equation..., differential, quadrature)

D=Fast_DiffQuad(N);

quadg by Nabeel Azar

Gaussian Quadrature code and quadrature framework (quadrature, gaussian, integration)

quadg (fun,a,b,opts,varargin)

Gauss3D by Matt Fig

Performs 3D Gaussian integration over user-defined volume. (integration, quadrature, gaussian)

[]=Gauss3D(arg)

Gaussian Quadrature for Triangles by Greg von Winckel

Compute Gauss nodes and weights for a triangle (integration, triangle, cubature)

[X,Y,Wx,Wy]=triquad(N,v)

gaussq by Per A. Brodtkorb

Numerically evaluates a integral using a Gauss quadrature. (integration, gauss, quadrature)

[bp,wf]=qrule(n,wfun,alpha,beta)

gaussq(fun,A,B,tol,trace,varargin)

Hermite Quadrature by Greg von Winckel

Computes the Hermite weights for user-defined nodes. (integration, hermite, interpolation)

[H0,H1]=hermquad(x)

Radial Quadrature and Spectral Methods by Greg von Winckel

Weights, nodes, and spectral methods matices for radial problems (integration, radial, equations)

[r,w,P,Bs,Ds,Dp]=radialquad(N,k,R)

Gegenbauer-Gauss-Lobatto Quadrature by Greg von Winckel

Computes weights and nodes for Gegenbauer-Gauss-Lobatto quadrature. (integration, gegenbauer ultraspher..., numerical)

[x,w,C]=gglnodes(N,a)

Numerical Integration on an Arbitrary Grid by Greg von Winckel

Computes weights for numerical integration on arbitrary grid points. (integration, numerical, interation)

A=arbquad(x)

Legendre-Gauss Quadrature Weights and Nodes by Greg von Winckel

Computes the Legendre-Gauss weights and nodes for solving definite integrals. (integration, quadrature, legendre)

[x,w]=lgwt(N,a,b)

Legende-Gauss-Radau Nodes and Weights by Greg von Winckel

Computes the Legendre-Gauss-Radau nodes and weights. (integration, legendre, radau)

[x,w,P]=lglnodes(N)

Legende-Gauss-Lobatto nodes and weights by Greg von Winckel

Computes the Legendre-Gauss-Lobatto weights, nodes and vandermonde matrix. (nodes, lobatto, polynomials)

[x,w,P]=lglnodes(N)

quadcc by Paul Fricker

Numerical integration using Clenshaw-Curtis quadrature. (integration, intergration, quadrature)

quadcc(fun,a,b,tol)