Files Posted by Per 
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09 Jan 2009 

Exponential fit, without startguess Fits 1) f=s1+s2*exp(t/s3) or 2) f=s1+s2*exp(t/s3)+s4*exp(t/s5) to numerics, without startguess
Author: Per Sundqvist 
nonlinear, exponential, least square, fit, exact, initial guess 
49 
13 
3.7 
11 ratings

12 Nov 2008 

3D Data Interpolation 3D interpolation using modified 4point vector Newton interpolation
Author: Per Sundqvist 
approximation, interpolation, 3d interpolation, newton, nonuniform, mathematics 
14 
5 
2.5 
6 ratings

16 Jan 2008 

erfi function Imaginary error function (could be complex) using matlab's incomplete gamma function gammainc
Author: Per Sundqvist 
imaginary error funct..., complex, gaussian, integral 
18 
8 
3.0 
4 ratings

13 Jan 2005 

Orthogonal Linear Regression Fits a line y=p0+p1*y to a dataset (xdata,ydata) in an orthogonal way.
Author: Per Sundqvist 
approximation, interpolation, linear regression, interpolation orthogo..., least squares fit 
16 
11 
3.2 
9 ratings

22 Nov 2004 

Points Inside polygone Finds those points (xi,yi) who are inside the polygon, defined by the vectors (x,y)
Author: Per Sundqvist 
approximation, interpolation, 2d contour, random, find, polygon 
7 
3 
2.0 
2 ratings

Files Matching Per's Watch List 
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Updated 

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Downloads (last 30 days) 
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09 Jan 2009 

Exponential fit, without startguess Fits 1) f=s1+s2*exp(t/s3) or 2) f=s1+s2*exp(t/s3)+s4*exp(t/s5) to numerics, without startguess
Author: Per Sundqvist 
nonlinear, exponential, least square, fit, exact, initial guess 
49 
13 
3.7 
11 ratings

12 Nov 2008 

3D Data Interpolation 3D interpolation using modified 4point vector Newton interpolation
Author: Per Sundqvist 
approximation, interpolation, 3d interpolation, newton, nonuniform, mathematics 
14 
5 
2.5 
6 ratings


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