diff -r a5f1b0267dba -r 00261f8d7e15 Cell.m
--- a/Cell.m	Thu Sep 07 09:21:04 2017 +0200
+++ b/Cell.m	Thu Sep 07 09:54:45 2017 +0200
@@ -23,6 +23,10 @@
             s = size(A.data);
         end
 
+        function b = isempty(A)
+            b = prod(size(A)) == 0;
+        end
+
         function l = length(A)
             l = length(A.data);
         end

diff -r a5f1b0267dba -r 00261f8d7e15 CellTest.m
--- a/CellTest.m	Thu Sep 07 09:21:04 2017 +0200
+++ b/CellTest.m	Thu Sep 07 09:54:45 2017 +0200
@@ -36,6 +36,21 @@
     end
 end
 
+function testIsEmpty(testCase)
+    cases = {
+        {cell(0,0), true},
+        {cell(1,0), true},
+        {cell(0,1), true},
+        {cell(1,1), false},
+    };
+
+    for i = 1:length(cases)
+        A = Cell(cases{i}{1});
+        expected = cases{i}{2};
+        testCase.verifyEqual(isempty(A),expected);
+    end
+end
+
 function testTranspose(testCase)
     testCase.verifyEqual(Cell({1i, 2}).', Cell({1i; 2}));
     testCase.verifyEqual(Cell({1i; 2}).', Cell({1i, 2}));