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updated 9 months ago

threepoints2planez by Chad Greene

Chad Greene (view profile)

Given three points in space, get coefficients of a plane in the form z = slopex*x + slopey*y + C. (slope, plane)

threepoints2planez(x,y,z)

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updated 1 year ago

trend by Chad Greene

Chad Greene (view profile)

Fast function for mapping trends along any dimension in 3D data. (netcdf, nc, reanalysis)

trend(A,t,dim)

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updated 1 year ago

rfitslm by Felipe G. Nievinski

Robust fit of simple linear regression model (ignoring NaNs). (slope, regression, robust)

Theil_Sen_Regress(x,y)

nanrfitslm (x, y)

nanrslope (x, y)

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updated 1 year ago

dualcursor2 by Ari Feldman

Updated dualcursor function that displays and outputs the slope, average, and standard deviation. (annotation, cursor, datalabel)

dualcursor2(state,deltalabelpos,marker_color,datalabelfor...

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updated almost 3 years ago

dfdxc(x,f) computes the first two derivatives of f(x) by Brenden Epps

dfdxc(x,f) computes derivatives df/dx and d^2f/dx^2 using a modified central difference formula. (derivative, slope, curvature)

dfdxc(x,f)

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updated 3 years ago

Theil–Sen estimator by Arnout Tilgenkamp

Robust regression for slope estimation between 1dimensional X and y (regression, slope, estimation)

Theil_Sen_Regress(x,y)

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updated 5 years ago

Linear Regression with Errors in X and Y by Travis Wiens

Travis Wiens (view profile)

Calculates slope and intercept for linear regression of data with errors in X and Y. (mathematics, measurement, statistics)

ellipse(Xc,Yc,dX,dY,N_p)

york_fit(X,Y,sigma_X,sigma_Y, r)

demo_york.m

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updated 5 years ago

der.m v1.0 (Nov, 2009) by Carlos Adrian Vargas Aguilera

Estimates first derivative of an array by using POLYFIT locally on each point ignoring NaNs! (diff, gradient, derivative)

der(X,DT,W,DEG,PAD,DIM)

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updated 5 years ago

Draw an angled line, with a slope relative to a reference point. by Elad

Elad (view profile)

Draw a line at an angle in degrees which goes through a reference point inputted as an argument. (draw, plot, line)

drawslope(I, alpha, refpoint)

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updated almost 6 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 6 years ago

GETTHETANGENT by Jean-Luc Dellis

Jean-Luc Dellis (view profile)

GETTHETANGENT returns the slope and the intercept of the tangent to a curve. (tangent, curve, slope)

[slope, intercept]=getthetangent(varargin)

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updated 6 years ago

Get the Slope and Intercept of drawn Lines by Jean-Luc Dellis

Jean-Luc Dellis (view profile)

You have to draw a line in a graph to obtain the slope of a curve or of its tangent. (data exploration, measurement, trendline)

[p1,p2,slope,inter]=getslopeintercept

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updated 7 years ago

curvature by Wolfgang Schwanghart

8-connected neighborhood curvature of a digital elevation model (slope, derivative, digital elevation mod...)

curvature(DEM,varargin)

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updated 7 years ago

gradient8 by Wolfgang Schwanghart

8-connected neighborhood gradient and aspect of a digital elevation model (gradient, aspect, exposition)

gradient8(DEM,res)

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updated 7 years ago

Movingslope by John D'Errico

John D'Errico (view profile)

Sliding window regression to compute slope estimates along a curve (slope, moving, sliding)

movingslope(vec,supportlength,modelorder,dt)

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updated almost 8 years ago

meetpoint by M MA

M MA (view profile)

Meet points points and slopes of curves. (approximation, interpolation, intersection)

meetpoint(x0,y0,x1,y1)

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updated almost 8 years ago

Hillshade by Felix Hebeler

Felix Hebeler (view profile)

calculates a hillshade for a DEM (matrix) (hillshade, dem, shading)

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updated 12 years ago

gslope by Toby Driscoll

Toby Driscoll (view profile)

Compute the slope between two selected points. (data exploration, slope, ginput)

gslope(ignored)

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