俺不会................

_pcross Controls where axes intersect.
_pgrid Controls major and minor grid lines.
_pxpmax Controls precision of numbers on X axis.
_pypmax Controls precision of numbers on Y axis.
_pzpmax Controls precision of numbers on Z axis.
_pxsci Controls use of scientific notation on X axis.
_pysci Controls use of scientific notation on Y axis.
_pzsci Controls use of scientific notation on Z axis.
_pticout Controls direction of tick marks on axes.
scale Scales X,Y axes for 2-D plots.
scale3d Scales X,Y, and Z axes for 3-D plots.
xtics Scales X axis and control tick marks.
ytics Scales Y axis and control tick marks.
ztics Scales Z axis and control tick marks.
上面都是控制坐标轴的命令，你试试看
Library
pgraph
Format
xtics(min,max,step,minordiv);
Input
min
scalar, the minimum value.
max
scalar, the maximum value.
step
scalar, the value between major tick marks.
minordiv
scalar, the number of minor subdivisions.

_pcross Controls where axes intersect.
_pgrid Controls major and minor grid lines.
_pxpmax Controls precision of numbers on X axis.
_pypmax Controls precision of numbers on Y axis.
_pzpmax Controls precision of numbers on Z axis.
_pxsci Controls use of scientific notation on X axis.
_pysci Controls use of scientific notation on Y axis.
_pzsci Controls use of scientific notation on Z axis.
_pticout Controls direction of tick marks on axes.
scale Scales X,Y axes for 2-D plots.
scale3d Scales X,Y, and Z axes for 3-D plots.
xtics Scales X axis and control tick marks.
ytics Scales Y axis and control tick marks.
ztics Scales Z axis and control tick marks.
上面都是控制坐标轴的命令，你试试看
Library
pgraph
Format
xtics(min,max,step,minordiv);
Input
min
scalar, the minimum value.
max
scalar, the maximum value.
step
scalar, the value between major tick marks.
minordiv
scalar, the number of minor subdivisions.

多谢版主！