Octave数据可视化报错，求问原因及解决方式

Question

执行代码

t=[0:0.01:0.98];
y1=sin(2*pi*4*t)
plot(t,y1)

报错

gnuplot> set terminal aqua enhanced title "Figure 1" size 560 420 font "*,6" dashlength 1
^
line 0: unknown or ambiguous terminal type; type just 'set terminal' for a list

Answer 1

https://www.cnblogs.com/luntai/p/5841504.html