ImageTake[image, n] gives an image consisting of the first n rows of image.ImageTake[image, -n] gives an image consisting of the last n rows of image.ImageTake[image, {row_1, ...

Mathematica's unified symbolic architecture makes it straightforward to insert dynamic behavior anywhere in any graphic. Single functions—readily generated ...

Finding and setting values of symbols. Mathematica effectively stores all definitions you give as lists of transformation rules. When a particular symbol is encountered, the ...

Mathematica's unified computation and dynamic document architecture makes possible a new level of interactive presentation—notably allowing finished "slides" on which full ...

GeoDirection[{lat_1, long_1}, {lat_2, long_2}] gives the azimuthal direction from one latitude-longitude position on the Earth to another.GeoDirection[pos_1, pos_2] gives the ...

AnimationDirection is an option which specifies the direction to run an animation.

Getting parts of lists. This gives a list of parts 1 and 3. Here is a nested list.

Functions for manipulating files. Different operating systems have different commands for manipulating files. Mathematica provides a simple set of file manipulation ...

Many of the most powerful list manipulation operations in Mathematica treat whole lists as single objects. Sometimes, however, you need to pick out or set individual elements ...

Directed is an option value for Type.