Using Rand to generate binary encoded as +/- 3 volts
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I need to generate 100,000 numbers that have a .5 chance of being either a +3 or a -3. I already have my code being T = rand(1,10000) <= 0.5 and I am getting 1s and 0s. How do I turn these 1s and 0s into +/-3.
回答（2 个）
Azzi Abdelmalek
2014-4-14
T = 6*(rand(1,10000) <= 0.5)-3
Image Analyst
2014-4-14
编辑：Image Analyst
2014-4-14
Why not just use randi instead:
T = 6*(randi(2, 10000, 1) - 1) - 3
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2014-4-14
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