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5
questions
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How to access an element from a 2D array, with non-sequential row and column data - C#
I need to access a text file containing some data gathered from the machine from two testing planes. One plane is vertical and creates rows that can be 1-180 degrees with 1, 5 or 10-degree intervals, ...
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-1
votes
1
answer
58
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Turn 2D matrix with indexes (tuples) to 2D Boolean matrix (in different shape) - NumPy
I’m looking for an efficient way to make index matrix to Boolean matrix, without a loop (with NumPy).
The index matrix build from tuples which represents indices. I need to build a Boolean matrix (in ...
-2
votes
2
answers
3k
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how to get the index of list of list in java
class Result {
public static int diagonalDifference(List<List<Integer>> arr) {
int sum=0,sum1=0;
for(List<Integer> list:arr){
for(Integer ...
0
votes
0
answers
34
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Python -> 2D list changing at every index? [duplicate]
I've created 28 char array seq, and copied it 100 times to other array copies.
Now at each copy I'd like to change one random char to the other one - def mutate().
It works when it is not in "for". ...
- 13
0
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4
answers
6k
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Matlab indexing into 2D array using
I have a 2D matrix, say M=zeros(10,10);
I have another column matrix, V=[1;2;3;4;5;6;5;4;3;2];
I would like to be able to set M(i,j) = 1 for all j >= V(i)
I know I can do this in a loop
for i=1:...
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