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3:07 PM
posted on July 29, 2021 by Mads Bahrami

For the past few months, Wolfram Community members have shared their computational explorations on topics ranging from computational art and games to original, published research. I’ll comment here on just a few of their many interesting examples. Please feel free to share your ideas with us at Wolfram Community, and let’s explore the world computationally. […]

 
 
1 hour later…
4:24 PM
CloudExpression major update in future Cloud release
https://community.wolfram.com/groups/-/m/t/2330405
(...please comment on Community if you have any questions, the OP would know better)
 
 
3 hours later…
7:41 PM
Training a recurrent neural network (RNN) to play the piano
https://community.wolfram.com/groups/-/m/t/2329664
 
8:34 PM
Folks, how to expand $(1+2)^3$ without evaluating the final result? I want to treat 1 and 2 as if they are variables.
Invoking Expand[(1 + x)^3] /. x -> 2 produces 27 rather than 1+3 2+3 2^2+2^3.
Using spaces for multiplication is fine.
Please kindly ping me if you can solve my problem above. Thank you.
 
 
1 hour later…
9:50 PM
@WhoSaveMeSaveEntireWorld Some ways that come to mind:
Expand[(HoldForm[1] + HoldForm[2])^3]
Expand[(x + y)^3] /. {x -> HoldForm[1], y -> HoldForm[2]}
Expand[("1" + "2")^3]
 
 
1 hour later…
11:01 PM
@MichaelE2: You are genius. Thank you very much. I choose the second way.
 

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