X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fsymbolic-1.1.0%2Fdoc-cache;fp=octave_packages%2Fsymbolic-1.1.0%2Fdoc-cache;h=b731b26a547df9a1aa06150f45459b229c262433;hp=0000000000000000000000000000000000000000;hb=f5f7a74bd8a4900f0b797da6783be80e11a68d86;hpb=1705066eceaaea976f010f669ce8e972f3734b05

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+# Created by Octave 3.6.1, Tue Mar 20 21:13:35 2012 UTC <root@t61>
+# name: cache
+# type: cell
+# rows: 3
+# columns: 5
+# name: <cell-element>
+# type: sq_string
+# elements: 1
+# length: 7
+findsym
+
+
+# name: <cell-element>
+# type: sq_string
+# elements: 1
+# length: 527
+ -- 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
+
+
+
+
+
+# name: <cell-element>
+# type: sq_string
+# elements: 1
+# length: 76
+Find symbols in expression F and return them comma-separated in string
+VARS.
+
+
+
+# name: <cell-element>
+# type: sq_string
+# elements: 1
+# length: 8
+poly2sym
+
+
+# name: <cell-element>
+# type: sq_string
+# elements: 1
+# length: 601
+ -- Function File: P = poly2sym (C, X)
+     Creates a symbolic polynomial expression P with coefficients C.
+     If P is not specified, the free variable is set to sym("x"). C may
+     be a vector or a cell-array of symbols. X may be a symbolic
+     expression or a string.  The coefficients correspond to decreasing
+     exponent of the free variable.
+
+     Example:
+          symbols
+          x = sym("x");
+          y = sym("y");
+          p = poly2sym ([2,5,-3]);         # p = 2*x^2+5*x-3
+          c = poly2sym ({2*y,5,-3},x);     # p = 2*y*x^2+5*x-3
+
+     See also: sym2poly, polyval, roots
+
+
+
+
+
+# name: <cell-element>
+# type: sq_string
+# elements: 1
+# length: 63
+Creates a symbolic polynomial expression P with coefficients C.
+
+
+
+# name: <cell-element>
+# type: sq_string
+# elements: 1
+# length: 5
+splot
+
+
+# name: <cell-element>
+# type: sq_string
+# elements: 1
+# length: 85
+ -- Function File: splot (F,X,RANGE)
+     Plot a symbolic function f(x) over range.
+
+
+
+
+# name: <cell-element>
+# type: sq_string
+# elements: 1
+# length: 41
+Plot a symbolic function f(x) over range.
+
+
+
+# name: <cell-element>
+# type: sq_string
+# elements: 1
+# length: 8
+sym2poly
+
+
+# name: <cell-element>
+# type: sq_string
+# elements: 1
+# length: 766
+ -- Function File: C = sym2poly (P, X)
+     Returns the coefficients of the symbolic polynomial expression P
+     as a vector. If there is only one free variable in P the
+     coefficient vector C is a plain numeric vector. If there is more
+     than one free variable in P, a second argument X specifies the
+     free variable and the function returns a cell vector of symbolic
+     expressions.  The coefficients correspond to decreasing exponent
+     of the free variable.
+
+     Example:
+          symbols
+          x = sym("x");
+          y = sym("y");
+          c = sym2poly (x^2+3*x-4);    # c = [1,3,-4]
+          c = sym2poly (x^2+y*x,x);    # c = {2,y,0}
+
+     If P is not a polynomial the result has no warranty.
+
+     See also: poly2sym, polyval, roots
+
+
+
+
+
+# name: <cell-element>
+# type: sq_string
+# elements: 1
+# length: 77
+Returns the coefficients of the symbolic polynomial expression P as a
+vector.
+
+
+
+# name: <cell-element>
+# type: sq_string
+# elements: 1
+# length: 9
+symfsolve
+
+
+# name: <cell-element>
+# type: sq_string
+# elements: 1
+# length: 1284
+ -- 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
+
+
+
+
+# name: <cell-element>
+# type: sq_string
+# elements: 1
+# length: 49
+Solve a set of symbolic equations using `fsolve'.
+
+
+
+
+