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Stefan


Lehigh University

Actif depuis 2011

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Question


Plot the magnitude response of a Butterworth filter with linear magnitude
Hi, I'm using a Butterworth filter to attenuate one of two frequency components in a signal, like so: http://i.imgur.com/D...

presque 9 ans il y a | 1 réponse | 0

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réponse

Question


My butterworth filter isn't preventing aliasing
Hi all, I recently read this guide to aliasing here: http://www.mstarlabs.com/dsp/antialiasing/antial.html And I wanted...

presque 9 ans il y a | 1 réponse | 0

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réponse

Question


Calculate how often a 1 turns into a 0 or 1, and vice versa
Hi all, I've got some data that characterize two possible states and stored in an array (1s and 0s), and there are 8 repetiti...

plus de 9 ans il y a | 4 réponses | 0

4

réponses

Question


I'd like to force my exponential fit to start at [0 0]
So, I've got some noisy data. When averaged, the data fit nicely along a double exponential fit, starting off with with a po...

presque 11 ans il y a | 1 réponse | 0

1

réponse

Question


I'd like to force my exponential fit to start at [0 0]
So, I've got some noisy data. When averaged, the data fit nicely along a double exponential fit, starting off with with a positi...

environ 11 ans il y a | 1 réponse | 0

0

réponse

Question


I want to calculate event frequency with a moving average, i have event times
Hi all, I have a list of the time points of events over 30 seconds, and I want to graph the frequency of events with a moving...

environ 12 ans il y a | 1 réponse | 0

1

réponse

Question


I have current vs. time, I want to graph total charge vs. time
Hi all, So I have a dataset of electric current (y) vs. time (t), recorded at 20kHz. The range of t is 4ms. Plot(t,y) shows the...

plus de 12 ans il y a | 1 réponse | 0

1

réponse

Question


Double sigmoid fit
Hi, I have bell-shaped data that I'd like to fit. Publications with related data use a "fit to the Boltzman equation." I imagin...

presque 13 ans il y a | 1 réponse | 0

1

réponse

Question


Printing function results to the Workspace
So I have a simple function function range(x,y) %Finds the range between x and y y-x When I run the function, I would like ...

presque 13 ans il y a | 2 réponses | 0

2

réponses

A répondu
Taking the derivative of an Action Potential to find the inflection point
Thanks for the response! I've gotten MATLAB to define dy. Both y and t are (301x1 double), however dy comes out as (300x1 double...

environ 13 ans il y a | 0

| A accepté

Question


Taking the derivative of an Action Potential to find the inflection point
Hello, MATLAB newbie here, please go easy on me. I need to determine the slope of a membrane depolarization before the marked i...

environ 13 ans il y a | 3 réponses | 0

3

réponses