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The four-Russians speedup algorithm on edit distance runs in O(l 2 /log(l)) time, when a block size is chosen to be (log 3σ l /2/2 (where σ is the alphabet size and l is the length of two strings).
With the Four-Russians speedup, which partitions the dynamic programming table into blocks and looks up the distance of each block from a pre-computed block offset function, the edit distance can be computed in O(l 2 /log(l)) time when an appropriate block size is chosen (where l is the length of the two strings) [ 51].
The algorithm is local and can therefore be efficiently implemented on data-flow parallel platforms in Θ(L) time if applied on percolation lattices near the critical percolation probability or in Θ(L2) in the worst case.
In a framed Aloha, one frame consists of several, say L, time slots, and a tag randomly chooses a time slot among these L time slots to transmit.
Each tag randomly, uniformly, and independently selects one of the L time slots.
Consider a contention frame with N tags and L time slots.
Similar(20)
Miller units were calculated using the following equation: (2) 1 Miller unit = Abs42 0 ÷ vol μ l * time min * OD6 00 For each construct in each strain, at least two colonies were chosen, and triplicate samples were assayed for each colony.
xmax = -xmin 1 / max { | H ˜ ( m, l ) | } Time step length, Δt 1 Max.
Calculating such an optimal alignment takes O l) time if l is the (maximum) length of the two sequences since all possible fragments are to be considered.
Accordingly, processing the suffixes of each string consumes O l) time where l is the maximal length of a string (which is typically less than 1000 in the genome assembly context).
Here, u q stands for the q th BEM function that spans J(K +L) time instants, and c q, l ( m, n ) for the corresponding BEM coefficient.
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CEO of Professional Science Editing for Scientists @ prosciediting.com