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updated 10 days ago

UEA_geometry.zip by Aleksander Bapst

Extract dimensions of Utah array electrodes from .TIF SEM images (utah array, microelectrodes, sem)

calculateEllipse(x, y, a, b, angle, steps)

frustum_analysis(varargin)

main(varargin)

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updated 4 months ago

SLM - Shape Language Modeling by John D'Errico

Least squares spline modeling using shape primitives (spline, splines, cubic)

slm_tutorial

hermite2slm(harray)

lse(A,b,C,d,solverflag,weights)

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updated 5 months ago

Compass Gait Bipedal Robot with Computer Torque Control (CTC) by Ali

Basic compass gait model simulation with computer torque control for reference trajectories (compass gait, bipedal robot, walking)

Animation.m

Trajectory_Planner.m

CTC_Control.mdl

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updated 6 months ago

Interpolation Utilities by Joe Henning

A variety of interpolation utilities (interpolation, piecewise interpolati..., cubic interpolation)

baryinv(x, y, xi, c)

cakima(x, y, xi)

cbezier(x, y, xi)

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updated 1 year ago

Restricted Cubic Spline by Leonidas Bantis

Fits the so called restricted cubic spline via least squares and obtains 95% bootstrap based CIs. (spline, restricted cubic spli..., least squares)

[bhat f sse knots CI]=rcspline(x,y,knots,bootsams,atwhich...

[bhat ff sse X]=rcs(x,y,knots,plots)

example.m

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updated 1 year ago

distance2curve by John D'Errico

Find the closest point on a (n-dimensional) curve to any given point or set of points (nearest, closest, distance)

distance2curve(curvexy,mapxy,interpmethod)

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updated almost 2 years ago

B-splines by Levente Hunyadi

Draw, manipulate and reconstruct B-splines. (bspline, drag and drop, ginput)

bspline_approx(k,t,x,M)

bspline_basis(j,n,t,x)

bspline_basismatrix(n,t,x)

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updated almost 2 years ago

Waveform Generator GUI by Maxim Vedenyov

Generate waveformed signal and play it. Interactive GUI with movable datapoints. (waveform, gui, signal processing)

Waveform Generator GUI

bdf(ha,hfl,uf)

hfl=create_marker(ha,x,y,r,c,uf,no)

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updated 2 years ago

Construction of cubic Bezier Patch and Surface by Dr. Murtaza Khan

Construction of cubic Bezier Patch and Surface (cubic bezier, patch, surface)

Q=bezierpatchinterp(P,varargin)

plotbezierpatch3D(P,Q)

plotbeziersurface3D(S,Q)

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updated 2 years ago

interparc by John D'Errico

Distance based interpolation along a general curve in space (interpolation, spline, linear)

interparc(t,px,py,varargin)

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updated 2 years ago

Free-knot spline approximation by Bruno Luong

Least squares approximation of 1D data using free-knots spline (fitting, bspline, free knots)

BBspline(varargin)

BSFK(x, y, k, nknots, fixknots, options)

BSFK_install

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updated 2 years ago

Generate Random Numbers from a 2D Discrete Distribution by Tristan Ursell

Random numbers from any 2D discrete probability distribution, at any resolution. (discrete, distribution, generate)

[x0,y0]=pinky(Xin,Yin,dist_in,varargin)

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updated 2 years ago

Interactive curve class by Maxim Vedenyov

change curve by markers drag-and-drop (interactive, curve, interpolation)

example4(varargin)

ic=example3

interactive_curve

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updated 2 years ago

3D Free Form Image Registration Toolbox (GUI) by Daniel Markel

A toolbox for performing image registrations on 4D RTOG files or any other volumetric image. (geometric transformat..., image registration, 3d)

Crop_image(varargin)

Dcoord(varargin)

Deform(varargin)

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updated 2 years ago

arclength by John D'Errico

Compute the arclength of a general curve in any number of dimensions (arclength, spline, curve)

arclength(px,py,varargin)

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updated almost 3 years ago

SPLINEFIT by Jonas Lundgren

Fit a spline to noisy data. (approximation, interpolation, cubic spline)

SPLINEFIT EXAMPLES

ppdiff(pp,j)

ppint(pp,a,b)

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updated almost 3 years ago

Fast B-spline class by Patrick Mineault

Fit, evaluate, differentiate non-uniform B-splines of any order - fast (bspline, pspline, spline)

CompileMexFiles()

fastBSpline

TryBSpline.m

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updated 3 years ago

spline_deriv by Samuel Lazerson

Calculates the jth derivative of spline as produced by mkpp and returns a spline. (mathematics, spline, curve fitting)

spline_deriv( pp,jderiv )

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updated 3 years ago

equalspline by Jeff Tuhtan

Equally spaced points along a polyline. Can use spline, linear, and other interpolation methods. (polyline, spline, even spacing)

equalspline(orientation,curveRes,splineDist,method)

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updated almost 4 years ago

Regular Control Point Interpolation Matrix with Boundary Conditions by Matt J

Creates Toeplitz-like matrices representing interpolation operations with edge conditions. (interpolation, spline, bspline)

Example1D

Example2D

T=interpMatrix(kernel, origin, numCtrlPoints, CtrlPointSe...

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updated 4 years ago

Local maxima and minima of a pp spline by Matthew Arthington

Determine the locations of local maxima and minima in a pp spline generated by pp = spline(x,Y); (spline, maxima, minima)

splineMaximaMinima(ppSpline)

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updated 4 years ago

Cardinal Spline (Catmull-Rom) Spline by Dr. Murtaza Khan

Evaluates and plot 2D Cardinal Spline (Catmull-Rom) Spline. (approximation, interpolation, cardinal spline)

[xt,yt] =EvaluateCardinal2D(P0,P1,P2,P3,T,u)

[xvec,yvec]=EvaluateCardinal2DAtNplusOneValues(P0,P1,P2,P...

TestEvaluateCardinal2D.m

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updated 4 years ago

Spline based function approximation for HDL synthesis by Sean Little

This is a suite of simple utilities that allow for efficient approximation of complex functions in a (hdl, hdl coder, spline)

[x,pp]=create_lut3(fcn, rng, tol)

example

nearestpoint(x,y,m) ;

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updated 4 years ago

Random numbers from a user defined piecewise polynomial distribution by Luigi Sanguigno

RANDPDFS returns pseudorandom values drawn from an arbitrary distribution defined by the pp-form. (mathematics, statistics, spline)

[r,varargout]=randpdfs(ppdf,varargin)

randpdfsdoc.m

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updated 4 years ago

Triangular Mesh Refinement by Dirk-Jan Kroon

This function will refine a triangular mesh with 4-split spline interpolation (approximation, interpolation, triangular)

Fnew=makenewfacelist(F,HT_index, HT_values)

Ne=vertex_neighbours(FV)

Ne=vertex_neighbours_double(Fa,Fb,Fc,Vx,Vy,Vz)

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updated 4 years ago

Radial Basis Function Network by Travis Wiens

Simulates and trains Gaussian and polyharmonic spline radial basis function networks. (radial basis function, radial basis function..., rbf)

Phi_int=rbf_integral(Xc,X1,X2,k_i,basisfunction)

[W phi]=train_rbf(X,Y,Xc,k_i,basisfunction)

[Y_int Phi_int]=rbfn_integral(Xc,X1,X2,W,k_i,basisfunction)

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updated 4 years ago

clickfit_OH for curve fitting by eye/hand by Oscar Hartogensis

click a data-series on top of a (noisy) scatterplot and get a spline or polynomial regression (curve fitting, spline, regression)

clickfit_OH(varargin)

ginput_OH(arg1,strpointertype,xx,yy)

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updated 4 years ago

Interactive Spline Region of Interest by Azim

An interactive, closed spline (gui, interactive, roi)

splineroi

exampleScript.m

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updated 4 years ago

Filter Coefficients to Popular Wavelets by Pascal Getreuer

Reference of wavelet filter coefficients and lifting scheme implementations. (time frequency, wavelets, daubechies)

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updated 5 years ago

Spline derivative by Bruno Luong

Compute spline function and its derivative (spline, interpolation, derivative)

BLspline_install

DP=polyderiv(P, ivar)

P=scalefun(P, S)

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updated 5 years ago

nanderivative.m v2.1 (Jul 2009) by Carlos Adrian Vargas Aguilera

N-order derivative of vector data by interpolating nearby points, ignoring NaNs. (approximation, interpolation, diff)

nanderivative(Y,X,N,K,MET)

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updated 5 years ago

igesout by Daniel Claxton

Convert surfaces, curves and lines to IGES file (data import, data export, iges)

igesout.m

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updated 6 years ago

N-Dimensional BSplines by Nathan Cahill

Construct coefficients of interpolating or smoothing BSplines from N-dimensional array, analytically (approximation, interpolation, spline)

bsarray(a,varargin)

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updated 6 years ago

AUTOCAD By Matlab by Abdelrahman mohammed

from now you can plot circle ,rectangular,spline,arc,line,...like AUTOCAD (gallery, graphics, plot circle)

MATHCAD(varargin)

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updated almost 7 years ago

Contour edition by Vincent Garcia

Edit an object contour using mouse interactions (contour edition, point, square)

ctr_editContour(img,o_ctrType,o_ctr)

test()

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updated 7 years ago

gspline by Daniel Claxton

GSPLINE - Interactively draw interpolating spline similar to gline (annotation, customization, spline)

gspline(fig)

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updated almost 8 years ago

Select ROI in image using spline by Simone Cazzaniga

A usefull program to select smooth region in image (image analysis, roi, spline)

mask=roispline(I,kind,tension)

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updated 8 years ago

NaturalOpenCubicSplineCurves by Nguyen Quoc Duan

NOCSC with uniform and proportional knots (specialized, plotting, cubic)

NaturalOpenCubicSplineCurves.m

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updated 8 years ago

Akima Interpolation by N. Shamsundar

Interpolate smooth curve through given points on a plane. (specialized, plotting, fit)

yi=akimai(x,y,xi)

AkimaTst.m

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updated 10 years ago

cubicSpline by Andrew Hastings

Accurate method to produce a curve through data points. (integration, curved lines, spline)

cubicSpline(coeff,smoothness);

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updated 12 years ago

Simple Warping Routine by Alex /Gloria Ossadtchi /Halfacre

Rerforms simple 2-D warping based on a set of reference points (geometric transformat..., image registration, warping)

warpitfun(pink,get,Zp,Zg)

warpingfunsup.m

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