Sorting Order and Finding repeating patterns
Tag : java , By : user112141
Date : March 29 2020, 07:55 AM
I hope this helps . , Hage, It's small but I learned a lot Here is the working code public class Main {
public static void main(String[] args) {
int[][] seq={{ 42, 22, 40, 1, 11, 5, 43 },
{ 13, 11, 18, 45, 3, 44, 19 },
{ 46, 1, 32, 47, 35, 7, 36 },
{ 48, 21, 38, 29, 3, 12, 11 },
};
for (int i=0; i < seq.length; i++) {
int[] x=seq[i];
Arrays.sort(x);
for (int number : x) {
System.out.print(number + " ");}
System.out.print("\n");
}
}
}

Is there an efficient algorithm for finding the distance between multiple 2d points without repeating a calculation?
Tag : python , By : Caleb Ames
Date : March 29 2020, 07:55 AM
this will help I am trying to create a Python function which will take x coordinates and y coordinates as an input and calculate the distances between all of the data points. The distances should be stored as a list (or array) and passed back to the calling program. The algorithm I am starting with looks like the example below. , This should be faster since it does not use explicit for loops from itertools import combinations
from math import sqrt
def dist(x_vals, y_vals):
" Distance of pair combinations of x_vals & y_vals "
# Distance between zipped pairs
dist2 = lambda z: sqrt((z[0][0]  z[1][0]) ** 2.0 + (z[0][1] z[1][1]) ** 2.)
# Use combinations to create desired distance pairs (i.e. 12, 13, 23, etc.)
return list(map(dist2, combinations(zip(x_vals, y_vals), 2)))
x_vals = [2.3, 3.6, 1.8]
y_vals = [1.6, 4.8, 2.8]
print(dist(x_vals, y_vals))
# >> [3.4539832078341086, 1.2999999999999996, 2.69072480941474227422]
Original Data (Small):
x_vals = [2.3, 3.6, 1.8]
y_vals = [1.6, 4.8, 2.8]
Data
N = 1000
x_vals = [random.randrange(N) for _ in range(N)]
y_vals = [random.randrange(N) for _ in range(N)]

Finding repeating patterns between strings
Tag : r , By : user150744
Date : March 29 2020, 07:55 AM
this will help I am not sure about your exact goal, but the following code can help you find the intersected segments among similar strings: library(vecsets)
f < function(s) intToUtf8(Reduce(vintersect,lapply(s, utf8ToInt)))
> f(prec_names)
[1] "prec_0"
> f(tmean_names)
[1] "tmean"
> f(tmin_names)
[1] "tmin"

Regex help needed, finding repeating patterns
Date : March 29 2020, 07:55 AM

finding all repeating patterns in a file using C++
Date : March 29 2020, 07:55 AM

