I can use functions- "sym()" and "syms()".

3 visualizaciones (últimos 30 días)
vx2008
vx2008 el 19 de Mzo. de 2013
when I use functions-sym() and syms(), warning is that "Undefined function 'sym'/'syms' for input arguments of type 'char' ". why, and how I should modify it?

Respuestas (2)

Alexander
Alexander el 19 de Mzo. de 2013
The functions sym and syms are part of the Symbolic Math Toolbox. Are you sure that you have the Symbolic Math Toolbox installed?

vx2008
vx2008 el 19 de Mzo. de 2013
Ok,i know. I have install matlab 2012a and I head that it never include symbolic math toolbox but matlab 2012b does. "a doesn't and b does" always works, yes? why?
  1 comentario
Walter Roberson
Walter Roberson el 19 de Mzo. de 2013
The Professional and Academic licenses do not include the Symbolic Math Toolbox; it is extra cost for those licenses for both the "a" and "b" releases.
The Student Version does include it, but does not install it by default. Historically, Student Versions have been released once per year, corresponding to the "a" release (with only one exception).

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