# Software Listing of Author : "Rentian Xiong"

VECTGUI is an esay-to-use 3D vector field simulator with a friendly GUI. It can visualize the vector field, calculate divergence and also plot the curl of the field, all in one single GUI. All you need to do is to enter the symbolic expression for x,y and z component of the vector field, specify the ranges for x, y and z coordinates and push the Draw button. Example: >> vectgui % Simply opens GUI but does not return anything to workspace. >> H = VECTGUI; % Opens GUI and also returns a cell array H to workspace. H contains coordinates of data points, corresponding vector components, divergence, and curl of the vector field. It also contains the handles of the two axes where vector field and its curl are plotted. >> help vectgui % Check out more details on how to use vectgui. VECTGUI is an upgraded GUI version of function VECTLINE....

• Platform: Matlab, Scripts

vectline is "vector field line plotter". Depending on the dimension of coordinate axis, vectline can plot both 3D and 2D vector field line. Example for 2D field >> syms x y >> F = [-y, x]; >> vectline(F,[x,y],[-1,1,-1,1]) Example for 3D field >> syms x y z >> F = [x*y^2, x*y, z]; >> vectline(F,[x,y,z],[-1,1,-2,3,1,3])

• Platform: Matlab, Scripts

Arrowline 3-D vector plot. vectarrow(p0,p1) plots a line vector with arrow pointing from point p0 to point p1. The function can plot both 2D and 3D vector with arrow depending on the dimension of the input Example: For 3D vector p0 = [1 2 3]; p1 = [4 5 6]; vectarrow(p0,p1) For 2D vector p0 = [1 2]; p1 = [4 5]; vectarrow(p0,p1)

• Platform: Matlab, Scripts
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