The following is a list of the algorithms described in Wikipedia.
If you intend to describe a new algorithm, please read algorithms on Wikipedia first, then add a link to your article and a one-line description here.
- Compression algorithms:
- Run-length encoding: lossless data compression
- Huffman coding: simple lossless entropy coding
- arithmetic coding: advanced entropy coding
- LZW: lossless data compression
- Burrows-Wheeler transform: preprocessing useful for lossless compression
- Cryptographic algorithms:
- AES: secret key symmetric encryption
- Blowfish: secret key symmetric encryption
- DES: secret key symmetric encryption
- Diffie-Hellman: key exchange
- International Data Encryption Algorithm: secret key symmetric encryption
- RC4: secret key symmetric encryption
- RSA: public key asymmetric encryption
- Numerical algorithms:
- Euclidean algorithm: computes the greatest common divisor
- Exponentiating by squaring: quickly computes powers of numbers and matrices
- Fast Fourier Transform: determines the frequencies contained in a (segment of a) signal
- Gauss-Jordan elimination: solves systems of linear equations
- Newton's method: finding zeros of functions with calculus
- Square root: approximates the square root of a number
- Quantum algorithms:
- Grover's algorithm: provides quadratic speedup for many search problems
- Shor's algorithm: provides exponential speedup for factorizing a number
- Search algorithms:
- Binary search: locates an item in a sorted vector
- Binary search tree
- Linear search: finds an item in an unsorted list
- Sort algorithms:
- Other:
- Flood fill: fills a connected region of a multi-dimensional array with a specified symbol
- Subset-sum: Accepts the NP-complete language Subset-sum in polynomial time iff P=NP
- Halt: no one yet knows if this 43-byte C program ever halts