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Forum: Main CFD Forum

February 5, 2019, 10:17

Replies: 14

effect of spikes on the probability density function

Views: 1,132

Posted By FMDenaro

The spike with finite width cannot be infinite as...

The spike with finite width cannot be infinite as it would not be an integrable function. In my opinion either a top-hat or a Dirac function is discussed

Forum: Main CFD Forum

February 5, 2019, 07:48

Replies: 14

effect of spikes on the probability density function

Views: 1,132

Posted By FMDenaro

If the spike is infinitely narrow that means a...

If the spike is infinitely narrow that means a Dirac function that has the consequence of containing infinite wavenumbers components. I don’t see the concept of decreasing for the transfer function,...

Forum: Main CFD Forum

February 5, 2019, 07:21

Replies: 14

effect of spikes on the probability density function

Views: 1,132

Posted By FMDenaro

To mimic a spike, just consider the top-hat for h...

To mimic a spike, just consider the top-hat for h going to zero

Forum: Main CFD Forum

February 5, 2019, 05:38

Replies: 14

effect of spikes on the probability density function

Views: 1,132

Posted By FMDenaro

The top-hat function of parameter h in physical...

The top-hat function of parameter h in physical space has its transfer function in the form sin(k*h)/(kh). Plot this function along k, you will see that has an infinite number of zeros (the first is...

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