Question

Write a code (Matlab, Python, etc) to calculate the median grain size and plot the equilibrium beach profile of the profile given in the attachment as an ".xlsx" file. Plot the results on the same plot with proper labels and note the value of d₅₀ and A. Plots that do not follow this criterion will lose points.

Answer 1

Without the actual '.xlsx' file, a specific code cannot be provided. However, the general process involves reading the data, calculating the median grain size, computing cumulative weight percentage, and plotting the beach profile with proper labels for d₅₀ and other constants like A using a programming language's plotting functions.

Step-by-step explanation:

Plotting Median Grain Size and Beach Profile

To calculate the median grain size and plot the equilibrium beach profile we would typically write a code using a programming language like Matlab or Python. However, without the actual '.xlsx' file, we cannot provide specific code or a plot. Still, here's a general outline of how this can be done:

1. Read the grain size data from the '.xlsx' file.
2. Calculate the median grain size, d₅₀, which is the middle value of the sorted data.
3. Compute the cumulative weight percentage for the grain sizes.
4. Plot the equilibrium beach profile using the cumulative distribution.

To plot the results, you would typically use programming functions like plot() or bar() for Matlab, or matplotlib.pyplot functions in Python. Ensure you label your axes and include a note for the value of d₅₀ and any other constant like A.

Remember, the method described is quite general and would need to be adjusted based on the specifics of the '.xlsx' file content and the requirements of the exercise.