fix gh-1843 (#1844)

Co-authored-by: Anton <100830759+antonwolfy@users.noreply.github.com>

Author: vtavana

dpnp/dpnp_utils/dpnp_utils_linearalgebra.py

@@ -2099,7 +2099,7 @@ def dpnp_matmul(
     if numpy.prod(result_shape) == 0:
         res_shape = result_shape
     elif x1_shape[-1] == 1:
-        call_flag = "kron"
+        call_flag = "multiply"
     elif x1_is_1D and x2_is_1D:
         call_flag = "dot"
         x1 = dpnp.reshape(x1, x1_shape[-1])
@@ -2148,8 +2148,8 @@ def dpnp_matmul(
         call_flag = "gemm_batch"
         res_shape = result_shape
 
-    if call_flag == "kron":
-        res = dpnp.kron(x1, x2)
+    if call_flag == "multiply":
+        res = dpnp.multiply(x1, x2)
         res_shape = res.shape
     elif call_flag == "dot":
         if out is not None and out.shape != ():

tests/test_mathematical.py

@@ -2180,6 +2180,11 @@ def setup_method(self):
             ((10, 1, 1, 3), (2, 3, 3)),
             ((10, 1, 1, 3), (10, 2, 3, 3)),
             ((10, 2, 1, 3), (10, 2, 3, 3)),
+            ((3, 3, 1), (3, 1, 2)),
+            ((3, 3, 1), (1, 1, 2)),
+            ((1, 3, 1), (3, 1, 2)),
+            ((4, 1, 3, 1), (1, 3, 1, 2)),
+            ((1, 3, 3, 1), (4, 1, 1, 2)),
         ],
     )
     def test_matmul(self, order_pair, shape_pair):