add check for square matrix to solve.symbolicMatrix()

friendly · Aug 12, 2024 · 4482490 · 4482490
1 parent 14f751c
commit 4482490
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/dev/Arith.R b/dev/Arith.R
@@ -190,6 +190,7 @@ solve.symbolicMatrix <- function (a, b, simplify=FALSE, ...) {
   # simplify: if TRUE return LaTeX expression with 1/det as multiplier
 
   numericDimensions(a)
+  if (Nrow(a) != Ncol(a)) stop("matrix 'a' must be square")
   if (!missing(b)) warning("'b' argument to solve() ignored")
 
   det <- parenthesize(determinant(a))