* Added example about series expansion.

[ginac.git] / ginsh / ginsh.1.in

diff --git a/ginsh/ginsh.1.in b/ginsh/ginsh.1.in
index 7857f662788093f3b57f5fd68316eaf786ef7a62..d5a135ff71cd4d2987e0638bc815faff89d944e3 100644 (file)
--- a/ginsh/ginsh.1.in
+++ b/ginsh/ginsh.1.in
@@ -319,7 +319,7 @@ detail here. Please refer to the GiNaC documentation.
 .BI series( expression ", " relation-or-symbol ", " order )
 \- series expansion
 .br
-.BI sqrfree( expression ", " symbol )
+.BI sqrfree( "expression [" ", " symbol-list] )
 \- square-free factorization of a polynomial
 .br
 .BI sqrt( expression )
@@ -401,11 +401,11 @@ from within ginsh without having to quit.
 .SH EXAMPLES
 .nf
 > a = x^2\-x\-2;
-\-x+x^2\-2
+\-2\-x+x^2
 > b = (x+1)^2;
 (x+1)^2
 > s = a/b;
-(x+1)^(\-2)*(\-x+x^2\-2)
+(x+1)^(\-2)*(\-2\-x+x^2)
 > diff(s, x);
 (2*x\-1)*(x+1)^(\-2)\-2*(x+1)^(\-3)*(\-x+x^2\-2)
 > normal(s);
@@ -417,11 +417,13 @@ from within ginsh without having to quit.
 > Digits = 40;
 40
 > evalf(s);
-0.999999999999999999999995821133292704384960990679L0
+0.999999999999999999999995821133292704384960990679
 > unassign('x');
 x
 > s;
 (x+1)^(\-2)*(\-x+x^2\-2)
+> series(sin(x),x==0,6);
+1*x+(\-1/6)*x^3+1/120*x^5+Order(x^6)
 > lsolve([3*x+5*y == 7], [x, y]);
 [x==\-5/3*y+7/3,y==y]
 > lsolve([3*x+5*y == 7, \-2*x+10*y == \-5], [x, y]);