摘要：
1.input theformula in matlab or math studio(mobile app),and plot it2.search(sqrt(cos(x))*cos(200x)+sqrt(abs(x))-0.7)*(4-x*x)^0.01, sqrt(9-x^2), -sqrt(9-x^2) from -4.5 to 4.5in google,and you will see the following graph3.Draw heartinMathematica,17 x^2 - 16|x|y + 17 y^2 < 22517 x^2 - 16|x|y + 17 y 阅读全文
