Make Sequence Function go Diagonal

Question

0 个投票

Hi ,how would i make this function go diagonal?,any help would be great

n = input ('sequence_matrix_');
fibb=[1,3:n];
for i=3:n
    fibb(i)=fibb(i-1)*3+(i)-2;
end
fibb

2 个评论
显示无隐藏无

Sam Chak 2023-11-23

The original question may be beneficial for people who wish to learn how to create a diagonal matrix.

Rena Berman 2023-11-27

(Answers Dev) Restored edit

Answer 1

Sameer Pujari 2021-7-19

1 个投票

Just do this small change

n = input ('sequence_matrix_');
fibb=[1,3:n];
for i=3:n
    fibb(i)=fibb(i-1)*3+(i)-2;
end
diag(fibb)

o it was that simple , thank you .

Answer 2

Walter Roberson 2021-7-19

1 个投票

n = input ('sequence_matrix_');
fibb = diag([1,3:n]);
for i=3:n
    fibb(i,i) = fibb(i-1,i-1)*3+(i)-2;
end
fibb