From cartesian to polar plot

Hi,

Can anyone help me to generate a plot in "polar" coordinate?

I have a curve shown in red (see the plot below). The x-axis is running from 0-360degree and the y-axis is just some numbers--here I have assumed it to be sinusoidal.

Now, suppose I want to produce another plot with similar dataset but the x-axis is to be displayed in "polar"coordinate.

I expect, in polar coordinate, the red curve will look like an ellipse.

I would appreciate any ideas.

thanks.

[Ngurah Beni Setiawan]

Problem solved!

I manage to produce the result.

Answer 1

[KSSV]

doc cart2pol and pol2cart

[Ngurah Beni Setiawan]

I am aware of these two functions, but it seems that my problem is more about plotting technique while these two functions would actually alter my dataset.

I want to plot exactly the same dataset but in different "style"