[Scilab-users] basic question ?
paul.carrico at free.fr
paul.carrico at free.fr
Sun Apr 23 22:25:17 CEST 2017
Hi All
I'm sorry if my question is "basic", but I've not understood why the
following code does not work ... size of i,j,k seems correct
Do I miss something?
Thanks for your time
Paul
##############################
mode(0)
n = 10;
A = rand(n,6);
B = zeros((2*n),2); C = B;
// goal is to get the value of the 1rst and 4th column in 2 lines
i = [1 : (2*n)]';
j = [1 : n]'.*.ones(2,1); // gives [1 1 2 2 3 3 .... n n]'
k = ones(n,1).*.[1 4]'; // gives [1 4 1 4 1 4 .... 1 4]'
tmp = [i j k] // to visualize the indexes
//B(i,1) = A(j,k); // does not work??
C(1,1) = A(1,1);
C(2,1) = A(1,4);
C
A
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