| | | Scilab Reference Manual | |
|---|
gsort — decreasing order sorting
[s, [k]]=gsort(v ) [s, [k]]=gsort(v,flag1) [s, [k]]=gsort(v,flag1,flag2)
| v,s | : real vector/matrix; character string vector/matrix |
| flag1 | : a string 'r', 'c','g','lr' and 'lc'. |
| flag2 | : a string 'i' for increasing and 'd' for decreasing order. k : vector or matrix of integers |
gsort is similar to sort with additional properties. The third argument can be used to chose between increasing or decreasing order. The second argument can be used for lexical orders.
[s,k]=gsort(a,'g') and [s,k]=gsort(a,'g','d') are the same as [s,k]=gsort(a). They perform a sort of the entries of matrix a, a being seen as the stacked vector a(:) (columnwise). [s,k]=gsort(a,'g','i') performs the same operation but in increasing order.
[s,k]=gsort(a,'lr') sort the rows of the matrix int(a) ( if a is a real matrix) or a (if a is a character string matrix) in lexical decreasing order. s is obtained by a permutation of the rows of matrix int(a) (or a) given by the column vector k) in such a way that the rows of s verify s(i,:) > s(j,:) if i<j. [s,k]=gsort(a,'lr','i') performs the same operation for increasing lexical order
[s,k]=gsort(a,'lc') sort the columns of the matrix int(a) ( if a is a real matrix) or a (if a is a character string matrix) in lexical decreasing order. s is obtained by a permutation of the columns of matrix int(a) (or a) given by the row vector k) in such a way that the columns of s verify s(:,i) > s(:,j) if i<j. [s,k]=gsort(a,'lc','i') performs the same operation for increasing lexical order
alr=[1,2,2;
1,2,1;
1,1,2;
1,1,1];
[alr1,k]=gsort(alr,'lr','i')
[alr1,k]=gsort(alr,'lc','i')
| << gamma | imag >> |