Tag Archives: plotting

Cesium Demo Using STK Scenario/TLE Data

Coming Soon: Orbital Mechanics/Astrodynamic Problem Solutions

Leave a reply

While in the midst of preparing for a journal paper I decided that I wanted to showcase my abilities. I will solve all the problems from Vladimir Chobotov’s Orbital Mechanics, Third Edition, and Richard Battin’s An Introduction to the Mathematics and Methods of Astrodynamics, Revised Edition and post the solutions online. I hope to have this done by January 2.

Not only will this be a good review for myself but it will showcase my abilities to solve problems relating to the field I want to enter. Hopefully, it will prove to be a valuable tool in the future.

As for the featured picture: I am in the process of getting myself certified Level 1 with STK. I dropped this scenario into Cesium while I was practicing and exploring STK before the exam. My exam is due December 22. I will let you know the results soon!

Grade Distribution Plot Creation

Leave a reply

Currently, I’m a graduate teaching assistant for Aerodynamics 1 and Aerospace Structures at the University of Alabama. After grading homework, quizzes, and exams I usually input the data into an Excel file. After a bout of procrastination I created a grade distribution plot for my classes.

I used MATLAB to pull the grades out of an Excel file, count the number of occurrences for each grade, and then plot the distribution. I created an Excel sheet that creates random grades so as to avoid using any of my students’ information. I already know the possible range of grades so these are hard-coded. I’ll post updates to the code throughout the semester.

Areas of future work:

  • Updating the way Excel files are called. Using the currentgradesheet variable will cause the error the second time it is called because it will use the first file name it contains.
  • Changing possible grades into a user input or created from the range of grades uploaded from Excel.
  • Tracking student data: being able to call a student’s name and seeing their grade history. This might take another function and a lot more time than I want to spend using MATLAB.

I have no problems with you using my code: just be sure to reference me.

Grade Distribution Plot Routine:

Code and Output in .pdf Format