How to add two different set values .

I ma having two different sets having the values in the following manner

A={4} {5}{3)

I want to add it together by having

B={12}.

I tried with the command B=sumA

But i am getting error.

could anyone please help me to get it

Answer 1

[madhan ravi]

A={4,5,3};
B={12};
[A{:}]+[B{:}]

[jaah navi]

I want to have the result of A in B.

A contains three sets {4} {5} {3}

Now I need to all three sets together and store it in B.So the answer will be B={12}.

[madhan ravi]

B={sum([A{:}])}

[jaah navi]

when i run the following code i am getting error stating

Unbalanced or unexpected parenthesis or bracket.

could you please help me on this.

[Walter Roberson]

B={sum([A{:}])} is valid.

[jaah navi]

when i run the following code

A={4} {5} {3}

B={sum([A{:}])}

I am getting error stating Unbalanced or unexpected parenthesis or

bracket with respect to the command line A={4} {5} {3}.Could you please help me on this.

[madhan ravi]

A={4,5,3}