In Mathematica 8, you can input a 3D vector by using the "Vector" command and specifying the vector's components. For example, if your vector is (1,2,3), you would input it as Vector[{1,2,3}].
To plot a 3D vector in Mathematica 8, you can use the "VectorPlot3D" command. This command takes in the vector field as well as the range of values for the x, y, and z axes. This will produce a 3D vector plot.
Yes, you can customize the appearance of the 3D vector plot in Mathematica 8 by using options in the "VectorPlot3D" command. For example, you can change the color, size, and style of the vectors.
To add labels to a 3D vector plot in Mathematica 8, you can use the "Epilog" option in the "VectorPlot3D" command. This allows you to add text or other graphics to the plot.
Yes, you can plot multiple 3D vectors in one plot in Mathematica 8 by using the "Show" command. This allows you to combine multiple vector plots into one. You can also use the "Graphics3D" command to directly input multiple vectors and customize their appearance.