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ekagra gupta


Last seen: 2 years ago |  Active since 2022

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Curve start and end coordinates
Hello, I have a curve I want to find the starting and end coordinates of these gaussian curves. It would be great if you g...

2 years ago | 1 answer | 0

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Question


Impedance calculation using FFT from time, voltage and current battery data
Hello, I have battery pulse test and pseudo OCV measurements (time, current and voltage) in time domain and I want to obtain pl...

2 years ago | 1 answer | 0

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answer

Question


Is there any code for calculation for Distribution of Relaxation Times (DRT) in Time domain for battery data?
Hello, I wanted to calculate Distribution of Relaxation times (DRT) in Time domain as I have Pulse measurement data for a batte...

2 years ago | 2 answers | 0

2

answers

Question


Divide and plot signal parts
Hello all, I have a plot and I want to extract each of the marked parts of the curve, how to do it? I tried findpeaks() but ...

2 years ago | 1 answer | 0

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answer

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How to plot desired datapoints on a curve?
Hello, I have a vector t -> 40000x1 and y -> 40000x1. I wish to plot this data with respect to desired data yhat -> 58x1. How ca...

2 years ago | 1 answer | 0

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Question


How to return values mapped to a variable?
Hello, I have two vectors a = [1 2 3 4 5 6 7 8 9 10] b = [4 5 12 45 21 52 69 10 22 0] and a_temp = isprime(a) How can I g...

2 years ago | 2 answers | 0

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answers

Question


How can I do SOH estimation?
Hello,I have current and voltage data and I wish to estimate the State of Health of my battery. How can it be done using MatLab?...

2 years ago | 1 answer | 0

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answer

Question


What method to use to curve fit these data points mentioned below?
Hello, I was working on some data and I want to fir my data similar to that of the "yellow line". The smoothing spline with "0....

2 years ago | 0 answers | 0

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Question


How to write code for Recursive Least square for parameter estimation?
Hello, I have written parameter estimation using recursive least square with forgetting factor code. But the output seems to be...

2 years ago | 0 answers | 0

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answers

Question


How can I find the difference quotient and how to write the code for it?
Hello, Below is one sample vector which I want to represent in matlab, how can I do it? Also, how to find the difference quot...

2 years ago | 0 answers | 0

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Question


How calculation in defined sampling rate of a resistance estimation can be done?
Hello, I want to apply an algorithm to estimate ideal ohmin resistance of a battery using... in a defined sampling interval ...

2 years ago | 0 answers | 0

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answers

Question


How to code difference quotients in matlab?
I have a vector U and I want to take its difference quotient at a time instance j i.e. I want to find dU as shown below. How can...

2 years ago | 1 answer | 0

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answer

Question


How can one determine impedances at different characteristic frequency values in an EIS curve?
I have an EIS curve of a Li ion battery and I had characteristic frequency (fmax and fmin) of the curve. How can I calculate or ...

2 years ago | 0 answers | 0

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Question


I have a table of three columns and I want to find a particular value in third column using interpolation, how can I do that if I know the values at first two columns?
The three columns are there and I have a particular set of values (x,y) and I want to find a particular value at third column co...

2 years ago | 1 answer | 0

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Question


How to smoothen the disturbed curve?
I have plotted this curve attached below and it seems to be quite distorted in order to analyse it. How can I smoothen it to an...

2 years ago | 2 answers | 0

2

answers

Question


Calculate dV/dQ to plot differential voltage analysis curve?
I have all the required data but do not know how to differentiate my voltage with respect to discharge/charge capacity given.

2 years ago | 1 answer | 0

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