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如果有一个函数 x+y+2z=5,我如何用 gnuplot 绘制它?使用 splot 会产生 z 未定义的错误。我如何定义它?
splot与 的明确定义一起使用z=f(x,y),因此,在您的情况下:
splot
z=f(x,y)
splot (5-x-y)/2