for ($y=1.3; $y > -1.1; $y=round($y-0.1,2)) for ($x=-1.2; $x <= 1.2; $x=round($x+0.04,2)) echo (pow((pow($x,2)+pow($y,2)-1),3) - (pow($x,2)*pow($y,3))) < 0 ? '+' : ($x==1.2 ? '-</br>' :'-');
测试内容 哈哈哈哈哈
刘同学的博客
刘同学的博客
for ($y=1.3; $y > -1.1; $y=round($y-0.1,2)) for ($x=-1.2; $x <= 1.2; $x=round($x+0.04,2)) echo (pow((pow($x,2)+pow($y,2)-1),3) - (pow($x,2)*pow($y,3))) < 0 ? '+' : ($x==1.2 ? '-</br>' :'-');
测试内容 哈哈哈哈哈
Great post! I spent a weekend in San Fran last summer – can’t wait to get back there for a longer stay 🙂
Me too 🙂