Can anyone please tell me why I am getting this error?
1 Ansicht (letzte 30 Tage)
Ältere Kommentare anzeigen
A =
2 4 1
3 1 4
5 6 0
>> A=finverse(A) Undefined function 'finverse' for input arguments of type 'double'.
>>
0 Kommentare
Antworten (3)
Star Strider
am 27 Aug. 2014
Bearbeitet: Star Strider
am 27 Aug. 2014
The finverse function is in the Symbolic Math Toolbox, and creates the inverse of a symbolic function.
You likely want the inv function for your matrix. If you are doing matrix calculations, it is preferable to use the mldivide function, or more directly the (\) (backslant) operator (if possible in your calculations).
3 Kommentare
Christopher Creutzig
am 29 Aug. 2014
Your sequence of commands does not create a symbolic matrix. The assignment to A discards the previous symbolic variable A.
A = sym([2 4 1
3 1 4
5 6 0])
inv(A)
ans =
[ -8/15, 2/15, 1/3]
[ 4/9, -1/9, -1/9]
[ 13/45, 8/45, -2/9]
Image Analyst
am 27 Aug. 2014
finverse() is not in base MATLAB. Do you think it is suppose to be in one of your toolboxes? If so, which one? List in in the products drops down list below this comment. Or is it a custom function you wrote but did not include here?
2 Kommentare
Siehe auch
Kategorien
Mehr zu Linear Algebra finden Sie in Help Center und File Exchange
Produkte
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!