Then, the integral calculus method is applied, with the limits of integration as the boundary conditions, to find the area. Answer and Explanation: The graph of the two polar curves is shown below. The blue curve is r=5−cosθ Figure The common ...
Sketch the curve with the polar equation, r = cos(5theta), by first sketching the graph of r as a function of theta in Cartesian coordinates. Sketch the curve of the polar equation r = \ln \theta, \quad \theta \geq ...
代数输入 三角输入 微积分输入 矩阵输入 r=2cos(θ) 求解r 的值 r=2cos(θ) 求解θ 的值 θ=−arccos(2r)+2πn1,n1∈Z θ=arccos(2r)+2πn2,n2∈Z,∣r∣≤2 图表
③ round(x,digits=n) 四舍五入，例：round(3.475,digits=2) = 3.48 ④ cos(x), sin(x) ...
x1<-c(2,4,3,2,4,7,7,2,2,5,4)x2<-c(5,6,8,5,10,7,12,12,6,6)x3<-c(7,11,6,6,7,9,5,5,10,6,3,10)## 从箱线图中可以看到,菌型2和3的平均存活天数无显著差异,但是与菌型1的有显著差异boxplot(x1,x2,x3) #用plot画箱线图x<-c(x1,x2,x3)f<-factor(c(rep(1,11)...
UDLR()clear<-function()#清除屏幕{rect(xleft=-14,ybottom=-10,xright=12.5,ytop=10,border=NA,col=bgcol)#坐标系arrows(-11,0,11,0,length=0.1)arrows(0,-9,0,9,length=0.1)arrows(-9,-9,9,9,length=0.1)}clear()graph<-function(p,e,f,sp)#重新绘制图{clear()if(ff>0){for(iin1:...
Answer to: Sketch the graph for: A) r = 3 + 3sin(theta). B) r = 2 + 3cos(theta). By signing up, you'll get thousands of step-by-step solutions to...
x^2 + y^2 - 10 * (cos(2 * pi * x) + cos(2 * pi * y)) + 20 } a = 5 x = seq(-a, a, 0.05) y = seq(-a, a, 0.05) z = outer(x, y, fn) persp(x, y, z) library(rgl) zorder = rank(z) persp3d(x, y, z, col =rainbow(as.integer(max(zorder)))[zorder]...
ggplot2是R语言最流行的第三方扩展包,是RStudio首席科学家Hadley Wickham读博期间的作品,是R相比其他语言一个独领风骚的特点。包名中“gg”是grammar of grap...
Graph with coordinates. {eq}\displaystyle r = [ \frac{8}{(2 + 3\cos(\theta))} ] {/eq} Conic Section: In mathematics, the conic sections can be classified as: (i) Parabola: Eccentricity equal to {eq}1. {/e...