julia plots tutorial 1 installation first plots

tutorial 1: installation and first plots

step 1: install julia

step 2: install the plots package

once you have julia installed, open the julia repl (read-eval-print loop) by running `julia` in your terminal or command prompt.

this command will download and install the `plots` package along with its dependencies.

step 3: loading the package

after installation, you can load the `plots` package into your julia environment by typing:

step 4: creating your first plot

now that you have the `plots` package installed and loaded, let's create our first plot. we'll create a simple line plot of a mathematical function.

here’s some example code that plots the function \( y = \sin(x) \):

explanation of the code:

1. **data generation**:
- `x = 0:0.1:2π`: creates a range of x values from 0 to \( 2π \) with a step of 0.1.
- `y = sin.(x)`: computes the sine of each x value. the dot (`.`) before the function indicates that it should be applied element-wise.

2. **creating the plot**:
- `plot(x, y, ...)`: this function creates a plot with the specified x and y data.
- `label`: adds a label to the line.
- `title`, `xlabel`, `ylabel`: sets the title and axis labels of the plot.
- `legend`: controls the position of the legend on the plot.

3. **displaying the plot**:
- `display(plot)`: this function displays the ...

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