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Arrows from x-axis

`feather(`

plots
arrows originating from the `U`

,`V`

)*x*-axis. Specify the direction of arrows
using the Cartesian components `U`

and `V`

, with
`U`

indicating the *x*-components and
`V`

indicating the *y*-components. The
*n*th arrow has its base at *n* on the
*x*-axis. The number of arrows matches the number of elements in
`U`

and `V`

.

`feather(`

plots arrows using the complex
values specified by `Z`

)`Z`

, with the real part indicating the
*x*-components and the imaginary part indicating the
*y*-components. This syntax is equivalent to
`feather(real(Z),imag(Z))`

.

`f = feather(___)`

returns a vector of
`Line`

objects with `length(U)+1`

elements. The first
`length(U)`

elements represent individual arrows, and the last element
represents a horizontal line along the *x*-axis. Use these
`Line`

objects to control the appearance of the plot after creating
it.