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# Tomaszzz

Last seen: 3 månader ago Active since 2020

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Question

How can I calculate kinematics of ankle joint after calculating local coordinates of the foot and shank from the 3D position of markers?
Hi all, I have a human 3D motion data (walking straight). I want to calculate ankle joint kinematics. I have calculated the...

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Question

How to convert cell (with 6x1 tables) into a multirow table?
Hi all, I have a 16x1 cell with 6x1 tables. I want to covert it into a table using a for loop. Can you help please? for k = 1:...

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Question

How to use cell as an input argument in an App?
Hi all, I made a checkbox app that I intend to execute automatically in my script. This is what I intend to do with the app....

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Question

How to set up a check box to review EMG signals?
Hi all, I am working with EMG signals. See picture below. Highlighted red is an example of a signal that is just a noise. B...

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Question

How to deal with misaligment of y axes across sublots when changing the size of a figure?
Hi all, I have created a figure (see the figure below, left) figure set(0, "DefaultAxesFontSize",8) subplot(3,2,[1,2]) plo...

ungefär ett år ago | 0 answers | 0

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Question

how to use dataaspectratio in scatterplot?
Hi all, I have 2D data collected from two diffrent devices that have data of diffrent dimensions as on the picture below. Know...

mer än ett år ago | 1 answer | 0

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Question

How to corrplot without displaying histograms?
Hi, I want to plot correlation between two variables using corrplot. I only want to display correlation without histograms. Fo...

mer än ett år ago | 1 answer | 0

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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...

mer än ett år ago | 1 answer | 0

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Question

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...

mer än ett år ago | 2 answers | 0

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Question

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...

mer än ett år ago | 1 answer | 0

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Question

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 ...

mer än ett år ago | 1 answer | 0

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Question

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 =...

mer än ett år ago | 3 answers | 0

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Question

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...

mer än ett år ago | 2 answers | 0

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Question

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 ...

nästan 2 år ago | 2 answers | 1

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Question

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...

nästan 2 år ago | 1 answer | 0

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Question

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...

nästan 2 år ago | 2 answers | 0

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Question

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...

nästan 2 år ago | 1 answer | 0

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Question

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...

nästan 2 år ago | 1 answer | 0

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Question

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...

nästan 2 år ago | 1 answer | 0

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Question

How to add text to a line in the plot?

nästan 2 år ago | 2 answers | 0

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Question

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

nästan 2 år ago | 2 answers | 0

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Question

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...

ungefär 2 år ago | 1 answer | 0

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Question

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...

ungefär 2 år ago | 1 answer | 0

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Question

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}...

ungefär 2 år ago | 1 answer | 0

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Question

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...

ungefär 2 år ago | 1 answer | 0

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Question

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_...

ungefär 2 år ago | 1 answer | 0

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Question

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 ...

ungefär 2 år ago | 1 answer | 0

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Question

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...

ungefär 2 år ago | 1 answer | 0

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Question

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...

ungefär 2 år ago | 1 answer | 0