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David Hill


Last seen: Today Active since 2017

Followers: 7   Following: 0

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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

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Solved


[Master Regular Expression] Validate IP Address
Given a string queryIP, return "IPv4" if IP is a valid IPv4 address, "IPv6" if IP is a valid IPv6 address or "Neither" if IP is ...

13 hours ago

Solved


Steering Ratio Calculation
The steering ratio defines the relationship between steering wheel angle and road wheel angle. Given wheel angle δ and Steering...

20 hours ago

Solved


Electric Power Steering (EPS) Assist Curve Calculation
Electric Power Steering (EPS) provides assist torque proportional to driver input. Given Steering torque Ts and Gain k, Compute...

20 hours ago

Solved


Tire Slip Angle Calculation
Slip angle represents the angle between the direction a tire is pointing and the direction it is moving. Given Lateral velocity...

20 hours ago

Solved


Steering Torque Estimation
Steering torque is generated due to lateral tire forces acting through the steering mechanism. Given Lateral force Fy and Lever...

20 hours ago

Solved


Electric Power Steering (EPS) Motor Torque with Efficiency
In EPS systems, the motor must generate additional torque to compensate for system losses. Given Required assist torque at rack...

20 hours ago

Solved


Understeer or Oversteer Gradient Calculation
This gradient determines whether a vehicle tends to understeer or oversteer. Given Mass m, Wheelbase L, Front cornering stiffne...

20 hours ago

Solved


EPS Assist Map with respect to the Vehicle Speed
In Electric Power Steering (EPS), assist torque reduces as vehicle speed increases to improve stability at high speeds. Given S...

20 hours ago

Solved


Yaw rate of the vehicle
Yaw rate defines how quickly a vehicle rotates about its vertical axis during motion. Given Vehicle speed v and Turning radius ...

20 hours ago

Solved


Turning radius of a vehicle
The turning radius represents the radius of the circular path followed by a vehicle. Given Wheelbase L and Steering angle δ, Co...

20 hours ago

Solved


Steering 101-Ackermann Steering Ratio
In a turning vehicle, inner and outer wheels follow different radii. Ackermann steering geometry ensures both wheels roll withou...

20 hours ago

Solved


Upper vs Lower Triangle
Create an n × n matrix A such that: Elements strictly above the main diagonal are 1 Elements strictly below the main diagonal ...

1 day ago

Solved


Center-of-Mass Index of a Vector
Given a numeric vector x, treat each element x(i) as a mass located at index i. Compute the center-of-mass index idx = sum(i *...

1 day ago

Solved


First Unique Character
Given a character vector s, return the first character that appears exactly once in s. If every character repeats at least once...

1 day ago

Solved


Odd Run Sums
Given a row vector x of integers, find every maximal run of consecutive odd numbers and return a row vector containing the sum o...

1 day ago

Solved


Mirror Pair Mean
Given a row or column vector v, create a vector y of the same size where each element is replaced by the average of itself and i...

1 day ago

Solved


The Singularity - Event Horizon (Absolute Zero)
Inspired by Problem61291 Mô tả: Bầy đàn gồm M agents phải di chuyển xuyên qua không gian 5D Hyper-Torus ( kích thước mỗi chiều...

4 days ago

Solved


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

4 days ago

Submitted


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

4 days ago | 2 downloads |

0.0 / 5
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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...

4 days 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...

4 days 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 days 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...

5 days 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...

8 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...

8 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...

10 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...

10 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...

10 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...

11 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...

11 days ago

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