plerrx: Draw x error bar

Draws a set of n horizontal error bars, the i'th error bar extending from xmin[i] to xmax[i] at y coordinate y[i]. The terminals of the error bar are of length equal to the minor tick length (settable using plsmin).

n (PLINT, input) Number of error bars to draw. xmin (PLFLT *, input) Pointer to array with x coordinates of left-hand endpoint of error bars. xmax (PLFLT *, input) Pointer to array with x coordinates of right-hand endpoint of error bars. y (PLFLT *, input) Pointer to array with y coordinates of error bar.

Redacted form:

• General: plerrx(xmin, ymax, y)

• Perl/PDL: plerrx(n, xmin, xmax, y)

This function is used in example 29.