inline matrix n x n input

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ZhenQi
ZhenQi on 11 Apr 2013
hi guys I'm writing a program that uses the jacobian of a matrix, but whenever I input it using "inline" command it does not work. can someone help?
ex: i want to input the 2 by 2 matrix [2*x1 x2; 1.5*x3 x4]
but if i use f = inline('[2*x1 x2; 1.5*x3 x4]'); it gives me an error.
and if i use f = inline('2*x1 x2; 1.5*x3 x4'); then it's not a 2 by 2 matrix

Accepted Answer

themaze
themaze on 11 Apr 2013
The input argument to the inline function is automatically determined by searching expr for an isolated lower case alphabetic character, other than i or j, that is not part of a word formed from several alphabetic characters.
So in essence you cannot use x1 or x2 ....
You may want to try an anonymous function instead.

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