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Code Listing by Matt J

Code 1-10 of 14   Pages: Go to  1  2  Next >>  page  








As input data, one has

A: a 2xN or 3xN matrix whos columns are the coordinates of N source points.
B: a 2xN or 3xN matrix whos columns are the coordinates of N target points.

The syntax

[regParams,Bfit,ErrorStats]=absor(A,B)

solves the unweighted/unscaled registration problem

min. sum_i ||R*A(:,i) + t - B(:,i)||^2

for unknown rotation matrix R and...



I created this class of zero-indexable arrays purely as a fun OOP exercise, in reaction to various Newsgroup threads inquiring about zero-indexable matrix types for MATLAB. Even though I've gone to the trouble to overload many methods for the...



This submission contains VERT2LCON and LCON2VERT, which will find the linear constraints defining a bounded polyhedron in R^n, given its vertices, or vice versa. They are extensions of Michael Kleder's VERT2CON and CON2VERT functions that can...



This submission defines a generic class of matrix-like objects called MatrixObj and a subclass called DataObj. Objects of the class are capable of behaving as matrices, but whose math operators (+,-,*,,.*,,etc...) and other methods can be...



The class ndSparse defined in this submission will give a lot of the functionality of N-dimensional sparse arrays for N possibly greater than 2. However, it should really be thought of as a way of starting with an ordinary MATLAB sparse matrix and...



Structures are a convenient way of carrying around many variables as a single object and of passing those variables to a function packed in a single argument.

Once a structure has been passed to a function, however, many users...



The main file interpMatrix.m in this package creates a sparse Toeplitz-like matrix representing a regularly-spaced interpolation operation between a set of control points. The user can specify the interpolation kernel, the number of control...



Generates the roto-translation matrix for the rotation around an arbitrary line in 3D. The line need not pass through the origin. Optionally, also, applies this transformation to a list of 3D coordinates.

SYNTAX 1:

...



The main file in this package, rsparse.m, creates a sparse array object that is a subclass of MATLAB's native sparse data type, but which is robust against certain bugs and errors (present as of R2009b).

S=rsparse(varargin)



This submission defines a class for representing products of matrices (or of any objects that know how to multiply) when it is more efficient to store and manipulate the matrices separately.

USAGE:

...