what is command to find adjoint of matrix

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Eko wardana
Eko wardana on 10 Jan 2015
Edited: Walter Roberson ongeveer 10 uur ago
how to find out adjoint of matrix in matlab? what is the command or syntax? please Help Me and answer soon

Answers (4)

Javed Akhtar
Javed Akhtar on 12 Dec 2018
Edited: Javed Akhtar on 12 Dec 2018
Use det(A)*inv(A).
adjoint(A) takes symbolic arguments and not real numbers.
  1 Comment
Carlos IV Hortinela
Carlos IV Hortinela on 20 Jul 2021
this is obviously wrong.
Inv matrix A = (1/ Det A)*Adj (transpose A)
hence if you use this formula:
Use det(A)*inv(A).
it will yield Adj (Transpose A)

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Stalin Samuel
Stalin Samuel on 10 Jan 2015
det(A)*inv(A)
  2 Comments
Eko wardana
Eko wardana on 10 Jan 2015
what is your opinion about this problem? why is error? this function or command is true or false??? if true give reason and if false give reason and correct answer... I hope you can answer this Question... thank's!
Walter Roberson
Walter Roberson ongeveer 10 uur ago
Edited: Walter Roberson ongeveer 10 uur ago
A=[
12 24 34 44
11 21 31 41
13 23 43 53
16 26 35 46]
A = 4×4
12 24 34 44 11 21 31 41 13 23 43 53 16 26 35 46
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adjoint(sym(A)), disp(char(ans))
[-330, -60, 60, 300; 450, -276, -108, -60; 500, -840, 200, 40; -520, 816, -112, -80]

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A B
A B on 4 Mar 2016
I have the same problem to you, I d'ont know how to calculate adjoint of haar wavelet transform,
  1 Comment
Anjan Sahu
Anjan Sahu on 11 Jan 2019
You can try matlab online the code would work or try re installing the complete version

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Juan
Juan ongeveer 14 uur ago
Hey! You gotta install that function in the Symbolic Math Tool Box.

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