How to use sortrows command in java.math.BigInteger?

4 Ansichten (letzte 30 Tage)
Ammy
Ammy am 13 Okt. 2022
Beantwortet: David Hill am 13 Okt. 2022
Let A be BigInteger array (mx2)
I want to apply sortrows on A,
but it is not compatible with it .
import java.math.BigInteger.*;
e.g
A = [2 1; 2 2; 3 5; 3 6; 8 6; 8 4];
B = sortrows(A)
But when I used sortrows on BigInteger data, then the following error occur
Error using sort
Unknown command option.
Error in sortrows>sortBackToFront (line 119)
[~,ind] = sort(A(I,abs(ck)),directions{(ck < 0) + 1},opts{:});
Error in sortrows (line 73)
I = sortBackToFront(A, col, nanflag, compareflag);

Antworten (1)

David Hill
David Hill am 13 Okt. 2022
import java.math.*
%load sample BigInteger Array (100x2)
for k=1:100
J(k,:)=[BigInteger(repmat(num2str(randi(1e14,1)),1,3)),BigInteger(repmat(num2str(randi(1e14,1)),1,3))];
end
%have to do sort manually, any sort algorithm will work but need to use
%compareTo() for BigIntegers
c=0;
while c~=size(J,1)-1
c=0;
for k=1:size(J,1)-1
if J(k,1).compareTo(J(k+1,1))==0&&J(k,2).compareTo(J(k+1,2))==1
temp=J(k+1);
J(k+1)=J(k);
J(k)=temp;
elseif J(k,1).compareTo(J(k+1,1))<1
c=c+1;
else
temp=J(k+1);
J(k+1)=J(k);
J(k)=temp;
end
end
end

Kategorien

Mehr zu Shifting and Sorting Matrices finden Sie in Help Center und File Exchange

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by