Gnuplot：以10 ^ x

Question

我有以下数据： N的计算值

 y, x
1, 8.0              
10, 3.6             
100, 3.36               
1000, 3.212                 
10000, 3.152            
100000, 3.14316             
1000000, 3.14266        
10000000, 3.1420448         
100000000, 3.14190876   
1000000000, 3.141573084 

我正在尝试使用10^x

来格式化y轴

我使用了以下代码：

set terminal pngcairo size 1280,800 enhanced font 'Helvetica,24'
set output "fig.png"

# Title, axis label, range and ticks
set title "Simulations"
set xlabel "Number of Iterations(n)"
set ylabel "Computed  values"

# Legend location and grid

set key top left
set grid   
set ytics out nomirror
set xtics out nomirror
set format y "10^{%L}"


# Plot the data
plot data.dat" using 2:1 title "" with linesp lw 2 pt 7 ps 1.5

但我得到以下输出：

请帮忙

由于

Answer 1

我不得不猜测你真正想要的东西，因为有些不一致。以下是我认为您想要的地方，源文件中注释的更改。

# Title, axis label, range and ticks
set title "Simulations"
set xlabel "Number of Iterations(n)"
set ylabel "Computed  values"

# Legend location and grid

set datafile separator comma  # gnuplot looks for spaces
                              # you must tell it about the comma
unset key                     # same as title "" as you have in your plot command
set grid   
set ytics out nomirror
set xtics out nomirror
set logscale x                # I guess that's what you want and how it should be
set format x "10^{%L}"        # yr x axis is labeled iterations, so I guess
                              # that's what you want

# Plot the data
plot [][2:10] "data.dat" using 1:2 with linesp lw 2 pt 7 ps 1.5
    # swapped 2:1 so that the iterations are on the x axis
    # introduced a range for y so that it is better to see
    # 'title ""' removed, see 'unset key'

这会给你

可能不是你想要的，但是我希望你能进入下一个层次。