如何在Matlab中使用(plot :: Inequality)绘制不等式 [英] How to plot Inequalities using (plot::Inequality) in matlab

问题描述

我想用matlab绘制一些不等式. 我正在使用此代码:

I want to plot some Inequalities with matlab. I am using this code:

figure;
plot(plot::Inequality(x^2 + y^2 < 1, x = -1.5..1.5, y = -1.5..1.5));

但是我收到此错误:

plot(plot::Inequality(x^2 + y^2 < 1, x = -1.5..1.5, y = -1.5..1.5))
      |
Error: Unexpected MATLAB operator.

我已经阅读了手册. 还有更多内容:

I have read this manual. and something more:

>> version
ans =
8.0.0.783 (R2012b)

推荐答案

plot::Inequality是Matlab符号工具箱的一部分，可从

plot::Inequality is part of Matlab's symbolic toolbox and is invoked from within MuPAD.
You cannot use it like a regular command.

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