# Louise

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Question

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...

bijna 3 jaar ago | 1 answer | 0

### 1

answerQuestion

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 (...

ongeveer 3 jaar ago | 1 answer | 0

### 1

answerQuestion

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 3 jaar ago | 1 answer | 0

### 1

answerQuestion

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 3 jaar ago | 0 answers | 0

### 0

answersQuestion

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 3 jaar ago | 1 answer | 0

### 1

answerQuestion

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...

meer dan 3 jaar ago | 1 answer | 0

### 1

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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...

meer dan 3 jaar ago | 1 answer | 0

### 1

answerQuestion

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 3 jaar ago | 1 answer | 0

### 1

answerQuestion

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 3 jaar ago | 1 answer | 0

### 1

answerQuestion

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 3 jaar ago | 1 answer | 0

### 1

answerQuestion

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...

bijna 4 jaar ago | 0 answers | 0

### 0

answersQuestion

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 4 jaar ago | 0 answers | 0

### 0

answersQuestion

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...

meer dan 4 jaar ago | 0 answers | 0

### 0

answersQuestion

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...

meer dan 4 jaar ago | 2 answers | 0

### 2

answersQuestion

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)...

meer dan 4 jaar ago | 2 answers | 0

### 2

answersQuestion

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 4 jaar ago | 1 answer | 1