Gnuplot:功率符号轴 [英] Gnuplot: power notation axis

问题描述

我将y轴设置为幂表示法(1.0e + 5或1.0 * 1.0 ^ 5)，但我想仅在轴顶部报告功率，以节省空间.特别是，我想在链接末尾报告该轴的末端

I set the y-axis in power notation (1.0e+5 or 1.0 * 1.0^5) but I would like to report the power just on top of the axis to save space. In particular I would like to report at the end of the axis as reported in the link

推荐答案

尝试使用此注释代码:

# Creating some 'x y' data to plot and
# save output using 'table' and 
# datablock named 'data'
set table $data
    plot (1E-5 + sin(x)*1E-5)
unset table

# Performs statistics using 'y' column 
# to find max value, turn off output, and
# set prefix name 'data' to stats results
stats $data u 2 nooutput name 'data'

set tmargin at screen 0.94    # Change the top margin

# Define a label containing the power to base 10
# of max value from data and put on top-left
# using the same value of top margin 
# but using offset on y axis
set label gprintf('×10^{%T}',data_max) at graph 0.0, screen 0.94 offset 0,0.75


set format y '%.2t'  # Format for 'y' values using mantissa 
                     # to base 10 and 2 decimal places

set xlabel 't'       # label to 'x' axis
set ylabel 'Ω'       # label to 'y' axis
unset key            # Turn off key (legend)
set tics nomirror    # Turn off upper and right tic marks

# The plot itself
plot $data using 1:2 w l

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