ASTROID
This astroid is the set of points \( (x,y)\in\mathbb R^2 \) such that \[ |x|^\frac{2}{3}+|y|^\frac{2}{3}-1.8=0,\quad -3\le x\le 3,\ -3\le y\le 3. \]
generated with pstricks
ASTROID
This astroid is the set of points \( (x,y)\in\mathbb R^2 \) such that \[ |x|^\frac{2}{3}+|y|^\frac{2}{3}-1.8=0,\quad -3\le x\le 3,\ -3\le y\le 3. \]
generated with pstricks