How to do a double fourier transform or double summation equation in Matlab?

조회 수: 9(최근 30일)
Hi Community,
Iam very confused to this equation, because it should be written in a double fourier transform which re very difficult for me.... SO here is the equation i should solve in my Thesis :
T is hour of the years (it can be replaced with a datenum, right?) and M is month number. I just want to know how this difficult equation should be written as a code in Matlab... Im very confused.... I think it would be written in a combination of symsum, syms, and etc, but i still doubt how to write it correctly in Matlab.... WOuld anyone lend me a hand for this equation, please... Thank you so much, everyone... /.\ /.\ /.\
  댓글 수: 2
Tyann Hardyn
Tyann Hardyn 2022년 5월 31일
@Hiro Im sorry, Sir. But the m actually not an exponent number just like An^m... In other ways, the equation is like this :
Iam just wonder, Is the equation use for loop or not, Sir? Thank you very much

댓글을 달려면 로그인하십시오.

채택된 답변

Walter Roberson
Walter Roberson 2022년 5월 30일
T cannot be replaced by a datetime. datetime objects cannot be multiplied by anything.
At one level, T could potentially be replaced by a duration() object, as durations can be multiplied... but you cannot take cos() of a duration.
syms T M
syms A [6 6]
syms alpha [1 6]
syms beta [1 6]
n = (1:6).';
m = 1:6;
Sq_est = sum(sum(A .* cos(m .* T + alpha) .* cos(n .* M + beta)))
Sq_est = 
  댓글 수: 8
Tyann Hardyn
Tyann Hardyn 2022년 5월 31일
편집: Tyann Hardyn 2022년 5월 31일
@Walter Roberson Would u like to tell me the version of loop code from your code before, Sir?

댓글을 달려면 로그인하십시오.

추가 답변(0개)

Community Treasure Hunt

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

Start Hunting!

Translated by