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STEM Concepts

Follow an equation, work through an example, or check an assumption. Browse 69 concepts across mathematics, physics and computing.

All📐Mathematics(19)⚛️Physics(12)🔄Algorithms(7)🏗️Data Structures(8)🤖Machine Learning(10)🧠CS Theory(5)🖥️Systems(2)🌐Networking(3)⚙️Engineering(2)🧪Chemistry(1)
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theory

Algorithms

Big O Notation

A mathematical notation that describes the limiting behavior of a function when the argument tends towards infinity.

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algorithm

Algorithms

Binary Search

Search algorithm that finds the position of a target value within a sorted array in O(log n) time.

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algorithm

Algorithms

Dijkstra's Algorithm

Finds the shortest paths between nodes in a weighted graph.

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theory

Algorithms

Dynamic Programming

Method for solving complex problems by breaking them down into simpler overlapping subproblems.

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θk+1=θk−η∇L(θk)\theta_{k+1}=\theta_k-\eta\nabla L(\theta_k)θk+1​=θk​−η∇L(θk​)
Algorithms

Gradient descent

Adjust parameters in a direction that locally reduces a loss.

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algorithm

Algorithms

Merge Sort

Stable divide-and-conquer sorting algorithm with guaranteed O(n log n) complexity.

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algorithm

Algorithms

Quicksort

Efficient divide-and-conquer sorting algorithm with average O(n log n) complexity.

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