# Created by Octave 3.2.4, Tue Nov 23 12:53:15 2010 EST <mockbuild@jetta.math.Princeton.EDU.private>
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findsym
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 -- Function File:  VARS = findsym (F, N)
     Find symbols in expression F and return them comma-separated in
     string VARS. The symbols are sorted in alphabetic order. If N is
     specified, the N symbols closest to "x" are returned.

     Example:
          symbols
          x=sym("x"); y=sym("y"); f=x^2+3*x*y-y^2;
          vars = findsym (f);
          vars2 = findsym (f,1);

     This is intended for m****b compatibility, calls findsymbols().

   See also: findsymbols


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Find symbols in expression F and return them comma-separated in string
VARS.

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splot
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 -- Function File: splot (F,X,RANGE)
     Plot a symbolic function f(x) over range.


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Plot a symbolic function f(x) over range.

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symfsolve
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 -- Function File: [ X,INF,MSG ] = symfsolve (...)
     Solve a set of symbolic equations using fsolve(). There are a
     number of ways in which this function can be called.

     This solves for all free variables, initial values set to 0:

          symbols
          x=sym("x");   y=sym("y");
          f=x^2+3*x-1;  g=x*y-y^2+3;
          a = symfsolve(f,g);

     This solves for x and y and sets the initial values to 1 and 5
     respectively:

          a = symfsolve(f,g,x,1,y,5);
          a = symfsolve(f,g,{x==1,y==5});
          a = symfsolve(f,g,[1 5]);

     In all the previous examples vector a holds the results: x=a(1),
     y=a(2).  If initial conditions are specified with variables, the
     latter determine output order:

          a = symfsolve(f,g,{y==1,x==2});  # here y=a(1), x=a(2)

     The system of equations to solve for can be given as separate
     arguments or as a single cell-array:

          a = symfsolve({f,g},{y==1,x==2});  # here y=a(1), x=a(2)

     If the variables are not specified explicitly with the initial
     conditions, they are placed in alphabetic order. The system of
     equations can be comma- separated or given in a cell-array. The
     return-values are those of fsolve; X holds the found roots.

   See also: fsolve


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Solve a set of symbolic equations using fsolve().

