The polar coordinate equation: R=cos (Θ/3) +1/9 is drawn in different windows with four kinds of drawing methods using the Graph window segmentation method.

The polar coordinate equation:r=cos (θ/3) +1/9 is drawn in different windows with four drawing methods using the Graph window segmentation method.

Solution:MATLAB directive:

Theta=0:0.1:6*pi;rho=cos (THETA/3) +1/9;

>> Polar (Theta,rho)

>>

>> plot (Theta,rho)

>> SEMILOGX (Theta,rho)

>> Grid

>> hist (rho,15)

The results were as follows:

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Figure 1

650) this.width=650; "src=" Http://s2.51cto.com/wyfs02/M01/7D/EA/wKiom1byhVKh5tK6AABaDeztePk179.png "style=" float: none; "title=" Image 2.png "alt=" Wkiom1byhvkh5tk6aabadeztepk179.png "/>

Figure 2

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Figure 3

650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M01/7D/E7/wKioL1byhe7wUkxpAABTrAMT5hs016.png "style=" float: none; "title=" Image 4.png "alt=" Wkiol1byhe7wukxpaabtramt5hs016.png "/>

Figure 4

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The polar coordinate equation: R=cos (Θ/3) +1/9 is drawn in different windows with four kinds of drawing methods using the Graph window segmentation method.