![]() Rose chartįirst, Let's draw the Nightingale rose that was quite popular some time ago, The data source is through the interface To get, We take the number of deaths in the epidemic as more than 2000 Country data, The implementation code is as follows : url = '' , at present, The epidemic situation in China has been basically controlled, We will see that many websites provide a variety of epidemic statistics, Today we use Python Of pyecharts Framework to draw some common statistical charts. Plot.COVID-19 has been running for months. While keeping k > 1, and a=1,b=1,a=2,b=2 k-leaf roses are plotted. # Plot the cardioids in polar co-ordinates Plot.title('Cardioids in polar format:radius = a + (b*sin(k*radian))') # Example Python Program to plot Cardioids that are Output2-Cardioids-Symmetrical around x-axis:Įxample3-Cardioids-Symmetrical around y-axis: Plot.title('Cardioids in polar format:radius = a + (b*cos(k*radian))') # Example Python Program to plot Cardioids When a=-1, b=-1 and k=1, the cardioids are symmetrical around x-axis on the negative side.When a=1, b=1 and k=1, the cardioids are symmetrical around x-axis on the positive side.The polar forms of the cardioids are given by:.When the radii of two circles are equal, and when one circle is fixed and the other circle is rolling on the first one – a point on the rolling circle traced will plot a cardioid. ![]() # Plot a circle with radius 2 using polar formĮxample2-Cardioids-Symmetrical around x-axis: # Example Python Program to plot a polar plot of a circle The equation of the circle in polar form is given by r = R. The python code below plots a circle using polar form.
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