# Tomaszzz

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**Content Feed**

Question

How to replace values of a variable in a table (in a cell) with nan?

Hi all, I have a 10x1 cell containg 100x32 tables. I want to: mycell{5, 1}.myvariable = nan; which results in: Error using...

2 months ago | 1 answer | 0

### 1

answerQuestion

How to trasform from cell to matrix and transpose from horizontal to vertical at the same time?

Hi all, I have a structure with a 3x1 cell. The cell contains 1x101 matrices. I want to access the cell and trasform it to ma...

2 months ago | 2 answers | 0

### 2

answersQuestion

How to plot data from mutiple files in a loop so that all is collated in one figure?

Hi all, I have a list of of 11 files which are structures with a table. I want to access a variable in each table from each fi...

4 months ago | 1 answer | 0

### 1

answerQuestion

How to use locminima in a signal with nan values?

Hi all, My signal looks like this: My aim is to identify elements of the signal indicated by green and red circles, which are ...

4 months ago | 1 answer | 0

### 1

answerQuestion

How to use xline?

Hi all, I have a signal (attached) over which I would like to plot mutiple vertical lines using x values (see image below) x =...

5 months ago | 3 answers | 0

### 3

answersQuestion

How to replace first and last element of each matrix in 7x1 cell with 0

Hi all, I have a 7x 1 cell of 101x1 double. I want to replace first and last element of each matrix with 0. Can you help pleas...

5 months ago | 2 answers | 0

### 2

answersQuestion

How to apply butterworth filter to data in cells? filter went wrong

Hi all, I have signals of diffrent lengths located in cells (attached), that when plotted over one plot looks like this. My ...

5 months ago | 2 answers | 1

### 2

answersQuestion

How to plot mutiple vertical lines over x axis ?

Hi all, I would like to plot multiple vertical lines in force_y_r as specified by x1 and x 2 force_y_r is 9607x1 double matrix...

5 months ago | 1 answer | 0

### 1

answerQuestion

How to use logical indexing to return elements of a signal?

Hi all, I have a signal like this (attached). My ultimate aim is to return elements of the signal between parts of the signal t...

5 months ago | 2 answers | 0

### 2

answersQuestion

How to identify both sides of a flat peak (flat part of a signal)?

Hi all, I have the following signal (also attached). I am trying to find the peaks circles red. The below code does identify...

5 months ago | 1 answer | 0

### 1

answerQuestion

How to use indexing to identify data in data(1, :) from points identifed in data(2,:)?

Hi all, I have a 2x17205 array (called vas_med_env; attached). in vas_med_env(2,:) I have identified : j= [5.8150 6.8350 7.85...

6 months ago | 1 answer | 0

### 1

answerQuestion

How to account for a change in variabale name when using "find"?

Hi all, I have a large excell file in which I am intending to find a specific variables in this way: idx_lfoot_start = find(st...

7 months ago | 1 answer | 0

### 1

answerQuestion

How to add text to a line in the plot?

Hi all, This code: load('z_means'); load ('z_diffs'); load ('z_CR_ofmean') figure ('color','w'); plot(z_means,z_diffs,'...

7 months ago | 2 answers | 0

### 2

answersQuestion

Only part of my plotted line will dash and how to add text to a line in the plot?

Hi all, This code: load('z_means'); load ('z_diffs'); load ('z_CR_ofmean') figure ('color','w'); plot(z_means,z_diffs,'...

7 months ago | 2 answers | 0

### 2

answersQuestion

How to shade area between standard deviations in a plot?

Hi all, I would like to shade the area between standard deviations. The data is attached. My code is as follows: load 'mea...

8 months ago | 1 answer | 0

### 1

answerQuestion

How to produce a grouped errorbars?

Hi all, I am trying to produce a grouped errorbars with the attached data. "Mean' is 5x3 matrix with means and 'std' is the sa...

8 months ago | 1 answer | 0

### 1

answerQuestion

How to deal with CELL2MAT does not support cell arrays containing cell arrays or objects?

Hi all, I am trting to do this: Px_a1_val = {(sq_val{1, 1}(:,1)) (jp_val{1, 1}(:,1)) (walk_val{1, 1}(:,1)) (stair_as_val{1, 1}...

8 months ago | 1 answer | 0

### 1

answerQuestion

How to reproduce a figure?

Hi all, The below figure is a copy from a journal and I would like to use such a figure to present my own data. I would like...

8 months ago | 1 answer | 0

### 1

answerQuestion

How to use cellfun?

Hi all, I have two 21 x1 cells (t_sq_mtw / t_sq_dot_1) containg 100x18 tables. The below code calculates three parameters (a0_...

8 months ago | 1 answer | 0

### 1

answerQuestion

Can this be written in a easier way?

Hi all, I have two 21 x1 cells containg 100x18 tables (attached). My aim is to calculate mean correlation coeffiient for each ...

8 months ago | 1 answer | 0

### 1

answerQuestion

How to use scatterplot in a loop

Hi all, I have two data sets which are matrixes 100x18 double. I want to scatterplot: column 1(data1) vs column 1 (data2) co...

9 months ago | 1 answer | 0

### 1

answerQuestion

how to omitt columns with only nan values when calculating means across mutiple tables?

Hi all, I have a 21x1 cell with 100x 18 tables I am calcuating mean of: row 1, column1, all tables row 2, column1, all table...

9 months ago | 1 answer | 0

### 1

answerQuestion

How to calculate a mean of column one across multiple tables?

Hi all, I have a 21x1 cell with 100x 18 tables (attached). What I am seeking to do is to calcuate mean of: row 1, column1, ...

9 months ago | 1 answer | 0

### 1

answerQuestion

How to ignore certain columns in a matrix when calculating a mean across all columns in a matrix?

Hi all, I have a 100x16 double matrix (attached) which when plotted over one figure looks like this. Now, I want to calcula...

9 months ago | 1 answer | 0

### 1

answerQuestion

How to compare columns from two data sets in a loop

Hi all, I want to compare columns from two data sets in a loop using the ICC function. Is there a way to simplify what I am doi...

9 months ago | 0 answers | 0

### 0

answersQuestion

How to save to a csv file?

Hi all, I have 20 folders with mutiple mat files which are 1 x 1 structures with a 1 x 54 table as in the image below (showing...

9 months ago | 1 answer | 0

### 1

answerQuestion

How to combine multiple tables from diffrent folders and save as on table?

Hi all, I have 20 folders with mutiple mat files which are 1 x 1 structures with a 1 x 54 table. I managed to list all folder...

9 months ago | 1 answer | 0

### 1

answerQuestion

How to 'flip/reverse' the signal?

Hi all, I have a signal like this (attached). This is sensor orientation data in z dimension during human walking. I am extr...

9 months ago | 1 answer | 0

### 1

answerQuestion

how to select last elements of a row vector?

Hi all, I have a row vector: j = [593,660,725,790,854,919,984,1050,1118,1184, 1300, 1400, 1500, 1600] I want to select last 5...

9 months ago | 2 answers | 0

### 2

answersQuestion

How to flip a signal ?

Hi all, I have an acceleration signal during human walking (walk forward, turn around, walk back). The attached is the 24x1 c...

9 months ago | 2 answers | 0