fixed typos in examples

diff --git a/doc/tutorial/ginac.texi b/doc/tutorial/ginac.texi
index dcee9335e90270ccbc2ff045e7f792f9d258faa4..717d5b107909c665b06ad461cd98aded5bfcc4c8 100644 (file)
--- a/doc/tutorial/ginac.texi
+++ b/doc/tutorial/ginac.texi
@@ -3191,11 +3191,11 @@ Some examples:
 b^3+a^3+(x+y)^3
 > subs(a^4+b^4+(x+y)^4,$1^2==$1^3);
 b^4+a^4+(x+y)^4
 b^3+a^3+(x+y)^3
 > subs(a^4+b^4+(x+y)^4,$1^2==$1^3);
 b^4+a^4+(x+y)^4

-> subs((a+b+c)^2,a+b=x);
+> subs((a+b+c)^2,a+b==x);

 (a+b+c)^2
 > subs((a+b+c)^2,a+b+$1==x+$1);
 (x+c)^2
 (a+b+c)^2
 > subs((a+b+c)^2,a+b+$1==x+$1);
 (x+c)^2

-> subs(a+2*b,a+b=x);
+> subs(a+2*b,a+b==x);

 a+2*b
 > subs(4*x^3-2*x^2+5*x-1,x==a);
 -1+5*a-2*a^2+4*a^3
 a+2*b
 > subs(4*x^3-2*x^2+5*x-1,x==a);
 -1+5*a-2*a^2+4*a^3