Added jax.numpy outer frontend (#11102)

Co-authored-by: nathzi1505 <[email protected]>

ivy/functional/frontends/jax/numpy/mathematical_functions.py

@@ -467,3 +467,8 @@ def floor_divide(x1, x2, /, out=None):
 def inner(a, b):
     a, b = promote_types_of_jax_inputs(a, b)
     return ivy.inner(a, b)
+
+
+@to_ivy_arrays_and_back
+def outer(a, b, out=None):
+    return ivy.outer(a, b, out=out)

ivy_tests/test_ivy/test_frontends/test_jax/test_jax_numpy_math.py

@@ -2300,3 +2300,35 @@ def test_jax_numpy_inner(
         a=xs[0],
         b=xs[1],
     )
+
+
+@handle_frontend_test(
+    fn_tree="jax.numpy.outer",
+    dtype_and_x=helpers.dtype_and_values(
+        available_dtypes=helpers.get_dtypes("numeric"),
+        num_arrays=2,
+        min_value=-10,
+        max_value=10,
+        min_num_dims=1,
+        max_num_dims=1,
+        shared_dtype=True,
+    ),
+)
+def test_jax_numpy_outer(
+    *,
+    dtype_and_x,
+    test_flags,
+    on_device,
+    fn_tree,
+    frontend,
+):
+    input_dtypes, xs = dtype_and_x
+    helpers.test_frontend_function(
+        input_dtypes=input_dtypes,
+        test_flags=test_flags,
+        frontend=frontend,
+        fn_tree=fn_tree,
+        on_device=on_device,
+        a=xs[0],
+        b=xs[1],
+    )