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- champ1
- champ properties
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- fec properties
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Please note that the recommended version of Scilab is 6.1.1. This page might be outdated.

See the recommended documentation of this function

# champ1

2D vector field plot with colored arrows

### Calling Sequence

champ1(x, y, fx, fy, [arfact, rect, strf])

### Arguments

- x, y
two vectors which define the grid.

- fx
a matrix which describes the x component of the vector field.

`fx(i,j)`

is the x component of the vector field at point`(x(i),y(j))`

.- fy
a matrix which describes the y component of the vector field.

`fy(i,j)`

is the y component of the vector field at point`(x(i),y(j))`

.- arfact
an optional argument of type

`real`

which gives a scale factor for the display of the arrow heads on the plot (default value is 1.0).- rect
a vector

`rect = [xmin, ymin, xmax, ymax]`

which gives the boundaries of the graphics frame to use.- frameflag
controls the computation of the actual coordinate ranges from the minimal requested values. The associated value should be an integer ranging from 0 to 8.

- axesflag
specifies how the axes are drawn. The associated value should be an integer ranging from 0 to 5.

- strf
a string of length 3 "xyz" which has the same meaning as the

`strf`

parameter of`plot2d`

. The first character`x`

has no effect with`champ1`

.

### Description

`champ1`

draws a 2D vector field with colored
arrows. The color of the arrows depends on the intensity of the
field.

If you want arrows proportional to the intensity of the field, use
`champ`

.

Enter the command `champ1()`

to see a demo.

## Comments

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