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Re: detecting a sign change in a vector
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From: |
Jordi Gutiérrez Hermoso |
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Subject: |
Re: detecting a sign change in a vector |
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Date: |
Thu, 31 Jan 2013 13:41:41 -0500 |
On 31 January 2013 12:52, dirac <address@hidden> wrote:
> This might be trivial but I am stuck on this.
> I have a vector, V, which basically contains the values of a cos/sin
> function. The signs of the elements in the vector change from + to -
> occasionally.
idx_changes = diff(sign(vector)) != 0)
HTH,
- Jordi G. H.