Tutorial: Using plot() function
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To begin with, let’s define a vector first. Say wehave vector x, which is a sequence from 1 to 10 with length of 100 points. Thatis,
Then, here’s the simplest way on plotting a yfunction using points on vector x.
Now, you can modify your plot. Say you want to add atitle on your plot. Then you can just add main=”Plot of sin(x) + cos(x)”, on the code. That is,
Moreover, you can also change the style of yourplot, by changing the type of it. And here are the possible types of plot:
Looking at the plot now, it seems that the lines arevery thin. To make it thicker we need to add an option lwd, which is for the linewidth. And thus, changing the line width and making it thicker, we can give avalue say 2.5.
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