最近，我将y八度升级到3.6.2，但现在我无法使用[c, h] = contourf(x,y,z,[0:0.25:3])绘制轮廓。以下错误表明gnuplot无法加载名为libreadline.so.4
此文件不存在于我的/var/lib/目录中。知道如何解决这个问题：
error: get: unknown axes property
error: called from:
error: /usr/share/octave/3.6.2/m/plot/colorbar.m at line 139, column 9
error: /green/s61/mirjalil/MemPMF/acem-acem/forward/loadDataPMF.m at line 24, column 1
gnuplot: error while loading shared libraries: libreadline.so.4: cannot open shared object file: No such file or directory
gnuplot: error while loading shared libraries: libreadline.so.4: cannot open shared object file: No such file or directory
warning: broken pipe -- some output may be lost