Update

algorithm.md

@@ -159,10 +159,11 @@ Algorithms are the essence of [computer science](scompsci.md), there's a lot of
 
 ## Specific Algorithms
 
-Following are some common algorithms classified into groups.
+Following are some well known algorithms.
 
 - [graphics](graphics.md)
   - [DDA](dda.md): line drawing algorithm
+  - [discrete Fourier transform](fourier_transform.md): extremely important algorithm expressing signals in terms of frequencies
   - [Bresenham's algorithm](bresenham.md): another line drawing algorithm
   - [Midpoint algorithm](midpoint_algorithm.md): circle drawing algorithm
   - [flood fill](flood_fille.md): algorithm for coloring continuous areas
@@ -171,12 +172,14 @@ Following are some common algorithms classified into groups.
   - [painter's algorithm](painters_algorithm.md)
   - [path tracing](path_tracing.md)
   - [ray tracing](ray_tracing.md)
+  - ...
 - [math](math.md)
   - [Boot'h algorithm](booths_algorithm.md): algorithm for multiplication
   - [Dijkstra's algorithm](dijkstras_algorithm.md)
   - [Euclidean algorithm](euclidean_algorithm.md): computes greatest common divisor
   - [numerical algorithms](numerical.md): approximate mathematical functions
   - [sieve of Eratosthenes](sieve_of_eratosthenes.md): computes [prime numbers](prime.md)
+  - ...
 - [sorting](sorting.md)
   - [bogosort](bogosort.md) (stupid sort)
   - [bubble sort](bubble_sort.md): simple, kind of slow but still usable sorting algorithm
@@ -187,9 +190,11 @@ Following are some common algorithms classified into groups.
   - [selection sort](selection_sort.md)
   - [slow sort](slow_sort.md)
   - [quick sort](quick_sort.md): one of the fastest sorting algorithms
+  - ...
 - [searching](searching.md)
   - [binary search](binary_search.md)
   - [linear search](linear_search.md)
+  - ...
 - [other](other.md)
   - [A*](a_start.md): path searching algorithm, used by [AI](ai.md) in many [games](game.md)
   - [backpropagation](backpropagation.md): training of [neural networks](neural_net.md)
@@ -205,7 +210,7 @@ Following are some common algorithms classified into groups.
   - [RSA](rsa.md)
   - [Shor's algorithm](shors_algorithm.md): [quantum](quantum.md) factorization algorithm
   - [YouTube](youtube.md) algorithm: secret algorithm YouTube uses to suggest videos to viewers, a lot of people hate it :)
-
+  - ...
 
 ## See Also