Changeset 4feebd5 in git

Timestamp:

Sep 9, 2008, 11:54:30 AM (15 years ago)

Author:

Hans Schönemann <hannes@…>

Branches:

(u'jengelh-datetime', 'ceac47cbc86fe4a15902392bdbb9bd2ae0ea02c6')(u'spielwiese', '00e2e9c41af3fde1273eb3633f4c0c7c3db2579d')

Children:

ceb4bec5ab0e842edbff9dcd6f3b9f3ceeadadc6

Parents:

090f3a526024b88cc6252f3a093901c36ba58e5f

Message:

*hannes: ker -> hom_kernel


git-svn-id: file:///usr/local/Singular/svn/trunk@11035 2c84dea3-7e68-4137-9b89-c4e89433aadc

File:

• Singular/LIB/homolog.lib (modified) (5 diffs)

Singular/LIB/homolog.lib

@@ -1 +1 @@
 ///////////////////////////////////////////////////////////////////////////////
-version="$Id: homolog.lib,v 1.25 2008-08-22 09:41:17 Singular Exp $";
+version="$Id: homolog.lib,v 1.26 2008-09-09 09:54:30 Singular Exp $";
 category="Commutative Algebra";
 info="
@@ -22 +22 @@
  isLocallyFree(M,r);    test if coker(M) is locally free of constant rank r
  isReg(I,M);            test if I is coker(M)-sequence, I ideal, M module
- ker(A,M,N);            ker(M'--A->N')  M,N modules, A matrix
+ hom_kernel(A,M,N);     ker(M'--A->N')  M,N modules, A matrix
  kohom(A,k);            Hom(R^k,A),     A matrix over basering R
  kontrahom(A,k);        Hom(A,R^k),     A matrix over basering R
@@ -1127 +1127 @@
 //////////////////////////////////////////////////////////////////////////////
 
-proc ker (matrix A,module M,module N)
-"USAGE:   ker(A,M,N);
+proc hom_kernel (matrix A,module M,module N)
+"USAGE:   hom_kernel(A,M,N);
 COMPUTE: Let M and N be submodules of R^m and R^n, presenting M'=R^m/M,
          N'=R^n/N (R=basering), and let A:R^m-->R^n be a matrix inducing a
@@ -1144 +1144 @@
 @end example
 RETURN:  module K, a presentation of ker(A':coker(M)->coker(N)).
-EXAMPLE: example ker; shows examples.
+EXAMPLE: example hom_kernel; shows examples.
 "
 {
@@ -1156 +1156 @@
   module M=maxideal(1)*freemodule(2);
   matrix A[2][3]=2x,0,x,y,z2,y;
-  module K=ker(A,M,N);
+  module K=hom_kernel(A,M,N);
   // dimension of kernel:
   dim(std(K));