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+//Example 2.29,Convolution using Tabular method.
+clear;
+clc;
+x=[-2 0 1 -1 3];
+h=[1 2 0 -1];
+q=length(x);
+w=length(h);
+z=q+w-1;
+y0=0;
+for i=1:z;
+    y(i)=0;
+    for k=1:i;
+        if k>q
+            x(k)=0;
+        else
+            if (i-k+1)>w
+                h(i-k+1)=0;
+            else
+             y(i)= y(i) + x(k)*h(i-k+1);
+            end
+        end
+    end
+end
+disp(y','The Convolution of the two sequences is =')