Question $6($Each correct answer is $1$ point$)$

a$.$ The most commonly used activation function in deep learning is

b$.$ Which is the layer in a CNN network which reduces the spatial dimensions of an input while preserving the important features of the CNN network?

c$.$ What is the most commonly used optimization algorithm in training deep learning networks?

d$.$ In robotic control to change the rotational speed by mechanical means are used.

e$.$ In robotic vision what is the method used for determining the distance and pose of an object $?..$

f$.$ Name one way $($there are more than one$)$ to represent the robot's end point location

g$.$ What is called the matrix in robotics which provides the relation between joint velocities & end$-$effector velocities $?$