1 files changed, 25 insertions, 0 deletions
diff --git a/tests/aux/test_kernel_dot_sparse.m b/tests/aux/test_kernel_dot_sparse.m
new file mode 100644
index 0000000..86a439e
--- /dev/null
+++ b/tests/aux/test_kernel_dot_sparse.m
@@ -0,0 +1,25 @@
+#function test_kernel_dot_sparse(kerneltype)
+
+  kerneltype = 'rbf'; 
+ 
+  X = [1 2 0 0 0 0;
+       0 3 0 4 0 0;
+       0 0 5 6 7 0;
+       0 0 0 0 0 8];
+  [n, m] = size(X);
+  spZ = sparse([ones(n, 1), X]);
+  
+  gamma = 0.05;
+  degree = 1.7;
+  const = 0.75;
+  
+  K = zeros(n, n);
+  if strcmp(kerneltype, 'rbf')
+    for i=1:n
+      for j=1:n
+        K(i, j) = exp(-gamma * sum((spZ(i, 2:end) - spZ(j, 2:end)).^2));
+      end
+    end
+  end
+
+#end
+\ No newline at end of file