comparison util/SL_A.m @ 1:7750624e0c73 version0.5

(none)

+  function y = SL_A(mode, m, n, x, I, dim)
+  % Ivan Damnjanovic 2009
+  % This is auxilary function to allow implicit matrices from SPARCO 
+  % to be used with SparsLab solvers
+  
+  global SMALL
+    if (mode == 1)
+    
+            u = zeros(dim, 1);
+            u(I) = x;
+            y = SMALL.Problem.A(u,1);
+           
+        elseif (mode == 2)
+    
+            x2 = SMALL.Problem.A(x,2);
+            y = x2(I);
+           
+     end
+       
+    end