Matrix 倍频程：将矩阵导出到文件

我猜有一个简单的解决方案，但我主要使用倍频程以交互方式求解方程组。问题是，我当前问题的输出太大，无法轻松复制（手动复制或使用“复制/粘贴”复制到另一个文件中），我不确定如何导出它。文本、LaTeX、.csv甚至其他内容都可以，但导出它似乎会很有用

问题在于屏幕会破坏输出，因此很难无误地读取/复制。下面的代码（矩阵C是我希望导出的）：

我尝试了save命令，但它似乎没有做任何我能告诉你的事情。例如：

save temp.txt，C

简单地重述了命令，但似乎没有给出保存到我的计算机的指示（甚至没有机会这样做/请求将其保存到某个地方的权限）

---

感谢您的帮助。谢谢

有

@sym/latex

，所以很容易买到latex：

octave:> latex (C)
\left[\begin{matrix}\left(q + t\right) \left(\frac{a b x^{2}}{- a b x^{2} + 1} - \frac{\left(a b x^{2} - 1\right) \left(\frac{a x}{- a b x^{2} + 1} \left(- b x^{2} \left(- a + 1\right) - x \left(- b + 1\right)\right) - x \left(- a + 1\right)\right) \left(- \frac{b x \left(- a c x^{2} - x \left(- c + 1\right)\right)}{- a b x^{2} + 1} + c x\right)}{- x^{2} \left(a c x - c + 1\right) \left(b x \left(a - 1\right) + b - 1\right) + \left(a b x^{2} - 1\right) \left(c x^{2} \left(a - 1\right) + 1\right)} + 1\right) + \left(r + t\right) \left(\frac{a x}{- a b x^{2} + 1} + \frac{\left(a b x^{2} - 1\right) \left(- a c x^{2} - x \left(- c + 1\right)\right) \left(\frac{a x}{- a b x^{2} + 1} \left(- b x^{2} \left(- a + 1\right) - x \left(- b + 1\right)\right) - x \left(- a + 1\right)\right)}{\left(- a b x^{2} + 1\right) \left(- x^{2} \left(a c x - c + 1\right) \left(b x \left(a - 1\right) + b - 1\right) + \left(a b x^{2} - 1\right) \left(c x^{2} \left(a - 1\right) + 1\right)\right)}\right) - \frac{\left(s + t\right) \left(a b x^{2} - 1\right) \left(\frac{a x}{- a b x^{2} + 1} \left(- b x^{2} \left(- a + 1\right) - x \left(- b + 1\right)\right) - x \left(- a + 1\right)\right)}{- x^{2} \left(a c x - c + 1\right) \left(b x \left(a - 1\right) + b - 1\right) + \left(a b x^{2} - 1\right) \left(c x^{2} \left(a - 1\right) + 1\right)}\\\left(q + t\right) \left(\frac{b x}{- a b x^{2} + 1} - \frac{\left(a b x^{2} - 1\right) \left(- b x^{2} \left(- a + 1\right) - x \left(- b + 1\right)\right) \left(- \frac{b x \left(- a c x^{2} - x \left(- c + 1\right)\right)}{- a b x^{2} + 1} + c x\right)}{\left(- a b x^{2} + 1\right) \left(- x^{2} \left(a c x - c + 1\right) \left(b x \left(a - 1\right) + b - 1\right) + \left(a b x^{2} - 1\right) \left(c x^{2} \left(a - 1\right) + 1\right)\right)}\right) + \left(r + t\right) \left(\frac{1}{- a b x^{2} + 1} + \frac{\left(a b x^{2} - 1\right) \left(- a c x^{2} - x \left(- c + 1\right)\right) \left(- b x^{2} \left(- a + 1\right) - x \left(- b + 1\right)\right)}{\left(- a b x^{2} + 1\right)^{2} \left(- x^{2} \left(a c x - c + 1\right) \left(b x \left(a - 1\right) + b - 1\right) + \left(a b x^{2} - 1\right) \left(c x^{2} \left(a - 1\right) + 1\right)\right)}\right) - \frac{\left(s + t\right) \left(a b x^{2} - 1\right) \left(- b x^{2} \left(- a + 1\right) - x \left(- b + 1\right)\right)}{\left(- a b x^{2} + 1\right) \left(- x^{2} \left(a c x - c + 1\right) \left(b x \left(a - 1\right) + b - 1\right) + \left(a b x^{2} - 1\right) \left(c x^{2} \left(a - 1\right) + 1\right)\right)}\\\frac{\left(q + t\right) \left(a b x^{2} - 1\right) \left(- \frac{b x \left(- a c x^{2} - x \left(- c + 1\right)\right)}{- a b x^{2} + 1} + c x\right)}{- x^{2} \left(a c x - c + 1\right) \left(b x \left(a - 1\right) + b - 1\right) + \left(a b x^{2} - 1\right) \left(c x^{2} \left(a - 1\right) + 1\right)} - \frac{\left(r + t\right) \left(a b x^{2} - 1\right) \left(- a c x^{2} - x \left(- c + 1\right)\right)}{\left(- a b x^{2} + 1\right) \left(- x^{2} \left(a c x - c + 1\right) \left(b x \left(a - 1\right) + b - 1\right) + \left(a b x^{2} - 1\right) \left(c x^{2} \left(a - 1\right) + 1\right)\right)} + \frac{\left(s + t\right) \left(a b x^{2} - 1\right)}{- x^{2} \left(a c x - c + 1\right) \left(b x \left(a - 1\right) + b - 1\right) + \left(a b x^{2} - 1\right) \left(c x^{2} \left(a - 1\right) + 1\right)}\end{matrix}\right]

可以呈现给

---

有

@sym/latex

，所以很容易买到乳胶：

octave:> latex (C)
\left[\begin{matrix}\left(q + t\right) \left(\frac{a b x^{2}}{- a b x^{2} + 1} - \frac{\left(a b x^{2} - 1\right) \left(\frac{a x}{- a b x^{2} + 1} \left(- b x^{2} \left(- a + 1\right) - x \left(- b + 1\right)\right) - x \left(- a + 1\right)\right) \left(- \frac{b x \left(- a c x^{2} - x \left(- c + 1\right)\right)}{- a b x^{2} + 1} + c x\right)}{- x^{2} \left(a c x - c + 1\right) \left(b x \left(a - 1\right) + b - 1\right) + \left(a b x^{2} - 1\right) \left(c x^{2} \left(a - 1\right) + 1\right)} + 1\right) + \left(r + t\right) \left(\frac{a x}{- a b x^{2} + 1} + \frac{\left(a b x^{2} - 1\right) \left(- a c x^{2} - x \left(- c + 1\right)\right) \left(\frac{a x}{- a b x^{2} + 1} \left(- b x^{2} \left(- a + 1\right) - x \left(- b + 1\right)\right) - x \left(- a + 1\right)\right)}{\left(- a b x^{2} + 1\right) \left(- x^{2} \left(a c x - c + 1\right) \left(b x \left(a - 1\right) + b - 1\right) + \left(a b x^{2} - 1\right) \left(c x^{2} \left(a - 1\right) + 1\right)\right)}\right) - \frac{\left(s + t\right) \left(a b x^{2} - 1\right) \left(\frac{a x}{- a b x^{2} + 1} \left(- b x^{2} \left(- a + 1\right) - x \left(- b + 1\right)\right) - x \left(- a + 1\right)\right)}{- x^{2} \left(a c x - c + 1\right) \left(b x \left(a - 1\right) + b - 1\right) + \left(a b x^{2} - 1\right) \left(c x^{2} \left(a - 1\right) + 1\right)}\\\left(q + t\right) \left(\frac{b x}{- a b x^{2} + 1} - \frac{\left(a b x^{2} - 1\right) \left(- b x^{2} \left(- a + 1\right) - x \left(- b + 1\right)\right) \left(- \frac{b x \left(- a c x^{2} - x \left(- c + 1\right)\right)}{- a b x^{2} + 1} + c x\right)}{\left(- a b x^{2} + 1\right) \left(- x^{2} \left(a c x - c + 1\right) \left(b x \left(a - 1\right) + b - 1\right) + \left(a b x^{2} - 1\right) \left(c x^{2} \left(a - 1\right) + 1\right)\right)}\right) + \left(r + t\right) \left(\frac{1}{- a b x^{2} + 1} + \frac{\left(a b x^{2} - 1\right) \left(- a c x^{2} - x \left(- c + 1\right)\right) \left(- b x^{2} \left(- a + 1\right) - x \left(- b + 1\right)\right)}{\left(- a b x^{2} + 1\right)^{2} \left(- x^{2} \left(a c x - c + 1\right) \left(b x \left(a - 1\right) + b - 1\right) + \left(a b x^{2} - 1\right) \left(c x^{2} \left(a - 1\right) + 1\right)\right)}\right) - \frac{\left(s + t\right) \left(a b x^{2} - 1\right) \left(- b x^{2} \left(- a + 1\right) - x \left(- b + 1\right)\right)}{\left(- a b x^{2} + 1\right) \left(- x^{2} \left(a c x - c + 1\right) \left(b x \left(a - 1\right) + b - 1\right) + \left(a b x^{2} - 1\right) \left(c x^{2} \left(a - 1\right) + 1\right)\right)}\\\frac{\left(q + t\right) \left(a b x^{2} - 1\right) \left(- \frac{b x \left(- a c x^{2} - x \left(- c + 1\right)\right)}{- a b x^{2} + 1} + c x\right)}{- x^{2} \left(a c x - c + 1\right) \left(b x \left(a - 1\right) + b - 1\right) + \left(a b x^{2} - 1\right) \left(c x^{2} \left(a - 1\right) + 1\right)} - \frac{\left(r + t\right) \left(a b x^{2} - 1\right) \left(- a c x^{2} - x \left(- c + 1\right)\right)}{\left(- a b x^{2} + 1\right) \left(- x^{2} \left(a c x - c + 1\right) \left(b x \left(a - 1\right) + b - 1\right) + \left(a b x^{2} - 1\right) \left(c x^{2} \left(a - 1\right) + 1\right)\right)} + \frac{\left(s + t\right) \left(a b x^{2} - 1\right)}{- x^{2} \left(a c x - c + 1\right) \left(b x \left(a - 1\right) + b - 1\right) + \left(a b x^{2} - 1\right) \left(c x^{2} \left(a - 1\right) + 1\right)}\end{matrix}\right]

可以呈现给