Welcome! - UCSD CSE150A / CSE250A – AI :Probabilistic Models

Welcome to the course website! This site hosts materials for UC San Diego CSE 150A – Introduction to Artificial Intelligence: Probabilistic Reasoning and Decision-Making and CSE 250A – Principles of Artificial Intelligence: Probabilistic Reasoning and Learning (Fall 2025). Here you’ll find all essential information, materials, and resources for the quarter.

About the Course¶

This course introduces probabilistic and statistical models at the heart of modern artificial intelligence, including reasoning under uncertainty, Bayesian networks, and Markov Decision Processes.

First day of instruction: Thursday, Sep 25 at 2PM PT in JEANN

Getting Started¶

We use several online platforms in this course. Please make sure you have access to all of the following.

Quick Setup Checklist

Please complete the First Day Survey: Prior Knowledge #FinAid on Canvas.
Please go through the Syllabus and let us know if you have any questions on Piazza.
Access Piazza – Course announcements and Q&A (auto-added if enrolled/waitlisted)
Access Gradescope – Submit assignments here (auto-added if enrolled/waitlisted)
Sign up for Webclicker. The course registration code is KSALDG.
Enroll in PrairieLearn
- CSE 150A and CSE 250A: Enrollment Link
Enroll in PrairieTest for in-person assessments (ONLY ENROLL IN YOUR SECTION):
- CSE 150A: Enrollment Link
- CSE 250A: Enrollment Link
Schedule your Tests as soon as possible (opens first day of instruction).
The Schedule page lists weekly topics, deadlines, and exam windows.
Find office hour times and access info on the Office Hours page.
Meet your instructional team on the Course Staff page.

Announcements & Submissions¶

Announcements: All course announcements will be posted on Piazza.
Homework Submission: Submit assignments via Gradescope.

CSE150A / CSE250A

Schedule