Add == methods for Matrix/Vector

Macaulay2 · Dec 5, 2024 · 638ae7b · 638ae7b
1 parent cb5bc16
commit 638ae7b
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diff --git a/M2/Macaulay2/m2/matrix.m2 b/M2/Macaulay2/m2/matrix.m2
@@ -117,6 +117,8 @@ Matrix == Matrix := (f,g) -> (
            target f == target g and 
            raw(super f * inducedMap(source f, source g)) === raw super g
     )
+Vector == Matrix := (v,m) -> matrix v == m
+Matrix == Vector := (m,v) -> m == matrix v
 
 Matrix == Number      :=
 Matrix == RingElement :=

diff --git a/M2/Macaulay2/tests/normal/vector.m2 b/M2/Macaulay2/tests/normal/vector.m2
@@ -13,6 +13,8 @@ N = image vars R
 v = vector(N, {1, 2, 3})
 w = vector(N, {4, 5, 6})
 assert Equation(v, vector map(N,, {{1}, {2}, {3}}))
+assert Equation(v, matrix v)
+assert Equation(matrix v, v)
 
 assert zero vector {0, 0, 0}