Louise

Last seen: ongeveer 2 jaar ago | Active since 2019

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Resampling a Vector of a specific length between 0 to 100% (ie 100 points)
Hello, I've a Ground Reaction Force with a specific length from Heel Strike to Toe Off. My aim is to "normalize" its length f...

meer dan 3 jaar ago | 1 answer | 0

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answer

Question

Select data above a specific threshold & minimum length
Hi, You could find attached a signal which represents ground reaction force during running. My aim is to cut each subsamples (...

bijna 4 jaar ago | 1 answer | 0

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Question

Interpolation / Resampling a signal in a new frequency
Hello, I would like to resample my raw data from 2222 Hz to 4000 Hz. Which function should I use to do that ? Thanks in advan...

ongeveer 4 jaar ago | 1 answer | 0

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answer

Question

Remove emtpy cells within a structure
Hi all, Within a structure, is it possible to remove emtpy cell ? For example in the capture, I would like that rows 13 to 26...

ongeveer 4 jaar ago | 0 answers | 0

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Arrange cell content in a specific order
Hi all, I've two variables: > FILE_NAME with the subject ID (for example S122_JEMO) and the condition (from 40C_1 to 65C_4). ...

ongeveer 4 jaar ago | 1 answer | 0

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answer

Question

Remove empty cells (of a m*n cell)
Hello, You could find attached a cell. My aim is to remove all empty cells in order to have a 10x14 cell. I've try the followi...

ongeveer 4 jaar ago | 1 answer | 0

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Question

Remove some zeros from a cell
Hi, My aim is to remove all 0 for each columns of this attached cell. I have actually no idea on how to do that... Thanks in...

ongeveer 4 jaar ago | 1 answer | 0

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Question

IF loop to select values superior of a threshold in a matrix
Hi all, For the matrix A (see attached), my goal is to calculate the mean of each row in the fifth column with the following c...

meer dan 4 jaar ago | 1 answer | 0

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Question

Curve variation and point detection
Hi all, You could find enclosed a vibration signal (vibration_illustration.pdf). My goal is to detect (automatically if possi...

meer dan 4 jaar ago | 1 answer | 0

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Question

Resampling two signals to the same frequency
Hi guys, I've attached two matrix. Force data were collected at 2000 Hz and acceleration data at 2222 Hz. My goal is to samp...

meer dan 4 jaar ago | 1 answer | 0

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Question

Folder / File Loop
Hi, I'm currently process data from differents subjects. My goal is to create a loop to : > go into each folder (see attach...

meer dan 4 jaar ago | 0 answers | 0

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answers

Question

Exponential Fit of Wavelet
Hi, wlt_accx (attached) is composed of : 6 wavelets for each 3 signals. For each of these 3 signals, my goal is : to fit the...

ongeveer 5 jaar ago | 0 answers | 0

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Question

Wavelet Analysis of Acceleration Data
Hello, You can find attached my experimental acceleration data. I would like to study them in a time-frequency domain (with wa...

ongeveer 5 jaar ago | 0 answers | 0

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answers

Question

Local Slope and Maxima of a Curve
Hello, My experimental data are in GRF.mat. The curve shows the evolution of the ground reaction force for one step when a subj...

ongeveer 5 jaar ago | 2 answers | 0

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answers

Question

How to find the best parameters to fit damped oscillations curves
Hello, My goal is to fit the best these filtered data (attached) with the equation : x(1)*exp(-x(2)*t).*sin(2*pi*x(3)*t+x(4)...

ongeveer 5 jaar ago | 2 answers | 0

2

answers

Question

Least Square Minimization (Levenberg-Marquant method) of damped oscillation curves
Hi, My goal is to fit my experimental data (attached) with the following equation with Levenberg Marquant method : A*exp(-c*t...

meer dan 5 jaar ago | 1 answer | 1

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answer