photo

David Hill


Last seen: Today Active since 2017

Followers: 7   Following: 0

Message

MS - Robotic Systems Development (MRSD) from CMU, BS - Electrical Engineering with minors in Computer Science and Mathematics from BYU.

Programming Languages:
Python, C++, C, Java, Javascript, R, MATLAB, CSS, Arduino
Spoken Languages:
English, Spanish
Professional Interests:
Robotics and Autonomous Systems, Motion and Path Planning, SLAM, Embedded Systems

Statistics

All
MATLAB Answers

0 Questions
2,210 Answers

File Exchange

22 Files

Cody

64 Problems
5461 Solutions

Discussions

7 Discussions

RANK
37
of 301,537

REPUTATION
5,348

CONTRIBUTIONS
0 Questions
2,210 Answers

ANSWER ACCEPTANCE
0.00%

VOTES RECEIVED
626

RANK
1,619 of 21,318

REPUTATION
1,171

AVERAGE RATING
4.60

CONTRIBUTIONS
22 Files

DOWNLOADS
62

ALL TIME DOWNLOADS
9469

RANK
3
of 175,234

CONTRIBUTIONS
64 Problems
5461 Solutions

SCORE
59,035

NUMBER OF BADGES
145

CONTRIBUTIONS
0 Posts

CONTRIBUTIONS
0 Public Channels

AVERAGE RATING

CONTRIBUTIONS
7 Discussions

AVERAGE NO. OF LIKES
0

  • MATLAB Mini Hack Participant
  • Treasure Hunt Participant
  • Ace
  • 36 Month Streak
  • Cody Contest 2025 Finishers
  • Indexing III Master
  • Personal Best Downloads Level 4
  • 5-Star Galaxy Level 4
  • Indexing V Master
  • Strings III Master
  • Strings II Master
  • R2016b Feature Challenge Master

View badges

Feeds

Submitted


AES-256 CTR mode Image Encryption/Decryption
AES-256 CTR (counting) mode Image Encryption/Decryption. Uses java library for encryption and decryption.

1 hour ago | 0 downloads |

0.0 / 5
Thumbnail

Solved


Decode an Encrypted AES image using CTR (counter mode) with no padding
Given an encoded AES image using CTR mode with no padding, the Initialization Vector (IV) (32 byte in uint8), and the AESkey (25...

3 hours ago

Problem


Decode an Encrypted AES image using CTR (counter mode) with no padding
Given an encoded AES image using CTR mode with no padding, the Initialization Vector (IV) (32 byte in uint8), and the AESkey (25...

3 hours ago | 0 | 1 solver

Solved


Decode Message using AES with Cipher Block Chaining (CBC) and PKCS#5 padding
Provided an encrypted message using AES CBC mode with PKCS#5 padding, an encrypted AES key in the form of an audio .wav file tha...

5 hours ago

Problem


Decode Message using AES with Cipher Block Chaining (CBC) and PKCS#5 padding
Provided an encrypted message using AES CBC mode with PKCS#5 padding, an encrypted AES key in the form of an audio .wav file tha...

6 hours ago | 0 | 1 solver

Solved


Problem: Battery State Estimation with Temperature Effect
In a Battery Management System (BMS), the usable capacity of a battery decreases when operating at extreme temperatures. The ef...

4 days ago

Solved


Robust Corner Sum with Special Value Handling in Arrays
Compute the sum of the corner elements of an array (vector or matrix). If any corner element is NaN, return NaN. If any corner...

4 days ago

Solved


EXODUS - THE VOID SINGULARITY ( PHASE OMEGA-ZERO )
Background: The Swarm has reached the edge of the known universe, entering the 5th Dimension (The Void). Here, Euclidean geomet...

6 days ago

Solved


The Singularity: Omega Pulse ( Neural Dominance )
Abstract In the final phase of Omega experiment, you no longer control a single signal. You are tasked with commanding a Quantu...

6 days ago

Solved


The Genesis Sypnapse Protocol
Ⅰ.Context In a synthetic bio-neural network, information is transmitted between neurons through chemical and electrical signal...

6 days ago

Solved


The Omega Protocol: Hyper-dimensional Navigation and the Singularity Constraint
Description [EMERGENCY TRANSMISSION - GALACTIC COMMAND] Subject: Mission Omega-7 - Navigation through the K-94 Tesseract Anoma...

6 days ago

Solved


Project Aether: Non-Linear Temporal Flow Optimization
Ⅰ. Description In the year 2450, you are the Chief Architect of the Neo-Elysium defense grid. You must manage energy distributi...

6 days ago

Solved


The Heisenberg Entanglement Protocol
Abstract: A quantum signal must be routed through nodes. The cost of transmission is not purely geometric but depends on the p...

6 days ago

Solved


The Singularity: Omega Phase
Abstract: Navigate a signal through a non-linear, resource-constrained, time-varying neural network. The topology and node prop...

6 days ago

Solved


Concentric Squares Mandala
Generate concentric square rings of alternating 1s and 0s to form a layered mandala-style matrix. e.g. N = 5; 1 1 1 1 1;...

11 days ago

Solved


Circular Ring Approximation Mandala
Generate a matrix that approximates a circular ring using distance-based thresholding , a visually rich mandala-inspired challen...

11 days ago

Solved


Diagonal Cross Mandala
Generate an N×N matrix with diagonals highlighted to form an artistic X-shaped mandala pattern. e.g. N = 5; 1 0 0...

11 days ago

Solved


Plus Cross Mandala
Create a symmetrical plus (+) shaped pattern centered in an N×N matrix.

11 days ago

Solved


Vertical Mirror Mandala
Create a symmetric left-right mirrored pattern in an N×N matrix to emulate mandala reflection symmetry. e.g. N = 5; ...

11 days ago

Solved


Hourglass Mandala
Generate an hourglass shape using matrix geometry and symmetry. e.g. N = 5; 1 1 1 1 1; 0 1 1 1 0; ...

11 days ago

Solved


Record the Actions ( Medium )
Find the minimum steps to get T units from jugs A and B. Return the sequence of actions as cell array of strings. Available act...

11 days ago

Solved


The Classic 8-5-3 Sharing ( Medium )
You have 3 jugs with capacities [8,5,3]. The 8L jug, the others are empty: [8,0,0]. There is no tap and no drain. You can only p...

11 days ago

Solved


Weighted Costs ( Hard )
Different actions have different monetary costs: Fill = $10 , Empty = $5 , Pour = $1 #Note: It's just an example Find the mini...

11 days ago

Solved


Interstellar Navigation: Minimum Time with Moving Hazards
You are the pilot of a spaceship at the origin P_start = (0,0,0) at time t = 0. Your mission is to reach a space station located...

18 days ago

Solved


The Quantum Knight's Tour on a Toroidal Hexagonal Board
In this challenge, you must navigate a knight on a Toroidal Hexagonal Grid of size The grid: We use the Axial Coordinate Syst...

18 days ago

Solved


Total Volume Goal ( Medium )
Usually, the target T must be in one jug. In this version, the target T is the sum of water in all N jugs. Example: C = [3,5], ...

19 days ago

Solved


The Broken Jug: Constrain ( Hard )
One of your jugs is "broken": it can not be Emptied to the drain. It can only be Filled or Poured to another jug. Input: C, T, ...

19 days ago

Solved


Minimal Waste Pouring ( Hard )
Everytime you perform Empty action, water is wasted. Instead of minimizing steps, find the path that minimizes the total volume ...

19 days ago

Solved


The Ultimate Water Challenge ( Expert )
Description: In the previous problems, you were given a target T and asked to find the minimum number of steps to reach it. ...

19 days ago

Solved


Robust Huffman Decoding: The Single-Bit Error Challenge
In the world of data compression, Huffman coding is a classic algorithm. However, it is notoriously fragile: a single bit error ...

20 days ago

Load more