diff --git a/algorithms/machine_learning/Activation Functions/Threshold(without inbuilt).m b/algorithms/machine_learning/Activation Functions/Threshold(without inbuilt).m
new file mode 100644
index 0000000..2c4703d
--- /dev/null
+++ b/algorithms/machine_learning/Activation Functions/Threshold(without inbuilt).m	
@@ -0,0 +1,8 @@
+%Threshold function without using inbuilt func
+x = -10:0.01:10;
+y = zeros(size(x));
+y(x>=0)=1;
+plot(x,y);
+xlabel('x');
+ylabel('y');
+grid on