Matrix sequence go diagonal

Question

Ainars Cernavskis 2021-7-18

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评论： Rena Berman 2023-11-27

Hi am ,trying to write a function which would display following sequences diagnaly :

1,3,10,33,109,360 [EDITED]

But am not sure how to do that , i have done a little bit,but am now stuck ( am kinda new to matlab and was just trying to learn it for the future ), any help would be great .

Or even if you could show me a refference which i could go of of , would be good too .

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Sam Chak 2023-11-23

The original question may be beneficial for people who wish to learn how to fill a vector sequence with desired values.

Rena Berman 2023-11-27

(Answers Dev) Restored edit

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Answer 1

Image Analyst 2021-7-18

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在 MATLAB Online 中打开

This isn't your homework is it? Try this:

% 1,3,10,33,109,360
vec = [1,3,10,33,109,360]
for k = 1 : length(vec)
	fprintf('%d, ', vec(k) + 3);
end
fprintf('\n');

You get:

vec =

1 3 10 33 109 360

4, 6, 13, 36, 112, 363,

Is that what you want? And why do you want this? What's the use case?

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Ainars Cernavskis 2021-7-18

@Image Analyst No this isnt homework , am just going to university next year and on of the modules is Matlab/simulink ,and i just wanted to ,try it out . Ive found some questions online which asks you make a funciton ,but it dosent show you the answear so i was wondering i could find the correct answear here or something similar to help me out a little bit . and see how everything works .And thank you

Image Analyst 2021-7-19

The best places to start are here:

MATLAB Academy - Free 2 hour training

Best way(s) to master MATLAB? - MATLAB Answers - MATLAB Central

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Answer 2

Jan 2021-7-20

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https://ww2.mathworks.cn/matlabcentral/answers/881288-matrix-sequence-go-diagonal#answer_750313

编辑：Jan 2021-7-20

在 MATLAB Online 中打开

n = 6;              % Or if you want: input ('sequence_matrix_');
v = zeros(1, n+1);  % Pre-allocation
v(2) = 1;           % Initial values: [0, 1]
for k = 2:n
  v(k + 1) = v(k) * 3 + v(k - 1);
end
v(1) = []           % Remove leading zero
v = 1×6
     1     3    10    33   109   360