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How to create a vector dVec = [5^0 5^0.01 ⋯ 5^0.99 5^1].

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Joshua12
Joshua12 2016-7-20
回答： Image Analyst 2016-7-20
I need to create a vector dVec = [5^0 5^0.01 ⋯ 5^0.99 5^1] (logarithmically spaced numbers between 1 and 10, use logspace), but I'm not sure I'm doing this correctly. So far, I've created this:
dVec = logspace(0, 1, 100)
How do I make sure it's 5's to the power of instead of 10's?
Thank you.

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回答（3 个）

Image Analyst
Image Analyst 2016-7-20
Did you mean this:
exponents = 0 : 0.01 : 1
dVec = 5 .^ exponents
Star Strider
Star Strider 2016-7-20
The bsxfun function is your friend for these types of problems:
expvec = logspace(0, 1, 100);
dVec = bsxfun(@power, 5*ones(size(expvec)), expvec);
Azzi Abdelmalek
Azzi Abdelmalek 2016-7-20
编辑：Azzi Abdelmalek 2016-7-20
ldVec = logspace(0, log10(5), 100)

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