added matlab

matlab/lfo/eval_smooth.asv

@@ -0,0 +1,21 @@
+function eval_smooth(Ta)
+
+fs = 10000;
+
+b = 1;
+if (abs(Ta) > 0)
+    b = 1/(abs(Ta)*fs);
+end;
+
+a = 1 - b;
+
+x = [ zeros(1, 1000) ones(1, 1000) zeros(1, 1000)];
+
+y = 0;
+for i=1:length(x)
+    if (Ta < 0)
+    y = b*x(i) + a*y;
+    yn(i) = y;
+end;
+
+plot(yn); grid;