Linear interpolation projects and source code

Calculates the volume under a surface defined by scattered points in matlab

The following Matlab project contains the source code and Matlab examples used for calculates the volume under a surface defined by scattered points . scatterquad2(X,Y,Z) finds the volume under the surface defined by the points (X(i),Y(i),Z(i)) with linear interpolation on the Delaunay triangulation of (X,Y) and Z=0 outside the convex hull of (X,Y).

Image(or matrix) rotation and scaling function in matlab

The following Matlab project contains the source code and Matlab examples used for image(or matrix) rotation and scaling function. This function takes an image or matrix and rotate it by theta (radian, rigid motion) The image could also be enlarged or shrinked by an optional scaling factor  img: input image (or or a 2D Matrix)  dtheta: the amount of rotation in radian  scale: a scalar number that scales the image (default=1)  interpMethod:       'nearest' - nearest neighbor interpolation       'linear' - bilinear interpolation (defalt)
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