randi function pair with logic operation

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Ugur Sahin 2020-3-7

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https://ww2.mathworks.cn/matlabcentral/answers/509581-randi-function-pair-with-logic-operation

评论： Walter Roberson 2020-3-7

Hi guys,

I want to prepare a program that can decide randomly on the determined lines. Such that, if I respond tail (in set of tail and head) program will decide on their line.

Heads or tails (H/T)? H
You won! Your new credit is 1010.
Heads or tails (H/T)? T
You won! Your new credit is 1010.
Heads or tails (H/T)? h
You lose! Your new credit is 960.

like that I have to pair winning function randomly with true or false on each line again.

please can you help me ?

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Walter Roberson 2020-3-7

在 MATLAB Online 中打开

randsample({'H', 'T'}, 10, true)

This relies on the statistics toolbox.

Walter Roberson 2020-3-7

Hint:

rand() generates values between 0 and 1 (exclusive) on a uniform random sampling basis.

If you have a random number between 0 and 1, and you compare that random number to (probability percentage divided by 100) then the event is true with the given probability. rand() <= (37/100) would be true with 37% probability.

Once you have a value that is either true (1) or false (0) then you can convert that into 'H' or 'T' in any of several ways.

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