Risposto
HD-sEMG data segmentation
Use the Signal Processing Toolbox buffer function on each column individually. The number of samples to use as the second arg...

10 giorni fa | 0

Risposto
How to set as preferences radiant instead of degrees?
Functions have their own defined preferences. For example polarplot, sin, cos, tan, and most others require radian angle argume...

10 giorni fa | 0

Risposto
italicize only a part of the legend
Use \it to begin it an \rm to end it. If you are doing that in an sprintf call, use \\it and \\rm respectively. text(0.4, 0...

11 giorni fa | 1

| accettato

Risposto
import data from csv file with same format of stored data in file
The data are imported and stored with their original precision. They are just displayed with 4 digits to the right of the decim...

11 giorni fa | 0

Risposto
How to exported formatted text and create files in array with specified variables ?
There are several ways to do this — VariantModel = compose('%c', 'A':'E') files = sprintf('''Model%c.$2k'' (or it may be .txt...

12 giorni fa | 0

| accettato

Risposto
Issue with legend colours in scatter plots with tranparency set 'ON'
The legend function has at least two other undocumented outputs (those are all that I experimented with, anyway), that can chang...

13 giorni fa | 0

| accettato

Risposto
How to add two different surface curves in a single plot?
Try this — ‘I want to add another surface to the same plot for the same data which is at z=1 and parallel to x- and y-axis.’ ...

13 giorni fa | 0

| accettato

Risposto
connecting each data points in a bar graph with an error bar
Sure! The easiest way is probably to return the handles of the errorbar calls to get the ‘XData’, ‘YData’, ‘’YPOsitiveDelta’,...

14 giorni fa | 0

| accettato

Risposto
Average data points of different X,Y range
You have too interpolate all the curves to a single common independent variable. Then you can average them. x1 = sort(rand(...

14 giorni fa | 0

| accettato

Risposto
How to achieve symbolic numerical integration
Without knowing more about ‘chi’ and the characteristics of its integrated result, one option (especially if the integration lim...

14 giorni fa | 0

| accettato

Risposto
High Frequency Noise baseline filter
Your data have broadband noise, so as might be expected, a frequency-selective filter is going to have very little effect. Prob...

15 giorni fa | 1

| accettato

Risposto
How to interface symbolic solutions with numeric ode solvers
With an initially symbolic set of differential equations, the symbolic versions should not be part of a numerical integration. ...

16 giorni fa | 0

| accettato

Risposto
How do I obtain the area of each contour on a contour3 plot?
I wrote some utility routines to get information from contour plots a while ago, and tweaked them for this project. The ap[proa...

17 giorni fa | 0

| accettato

Risposto
How to plot direction of forces on a body with polar plots or similar?
I can’t figure out what you’re plotting. The data are vectors, so any sort of surface plot isn’t possible, and I don’t understa...

18 giorni fa | 1

| accettato

Risposto
Can someone help me display the area bounded by the curve and the linear line. Pls see attached photo.
One approach — clear all; close all format shortG filename = 'GT+10-ubc-X-Axis - Static.csv'; T1 = readtable(file...

19 giorni fa | 0

| accettato

Risposto
I want to find the least negative non positive number in a vector
Perhaps this — V = [-10 , -5 , -1 , -0.1 , 0 , 1 , 2 , 3 , 4 , 5] [Vmax,idx] = max(V(V<0)) V(idx) .

19 giorni fa | 1

| accettato

Risposto
Plot Piecewise function graph
To do this in the Symbolic Math Toolbox, just write it essentially as in your original post — syms x f(x) = piecewise((-3*...

19 giorni fa | 0

Risposto
Surf plot from excel file
It would help to know what the data are, and what you want to do with the NaN values. That aside, just plot all but the firs...

20 giorni fa | 0

Risposto
How to Curvefit amplitude output of a spring-mass-damper system to find coefficients?
Try this — load('sampleData.mat') % whos objfcn = @(b,t) b(1) .* exp(b(2).*t) .* cos(2*pi*b(3)*t + b(4)) + b(5); Lvlm =...

21 giorni fa | 0

| accettato

Risposto
Using string variable names for dot indexing
That approach can work, however it is necessary to put the variable name from the cell array in parentheses — varnames = {'rs...

21 giorni fa | 0

| accettato

Risposto
Normalized graph not showing
The timeseries ‘out.Q_i_nd.Data’ is a 3D matrix. You need to use the squeeze function to remove the extra singleton dimensions. ...

21 giorni fa | 0

Risposto
Want to truncate an array
There are a few options, including using the vpa function in the Symbolic Math Toolbox, and to use sprintf to display the values...

22 giorni fa | 0

Risposto
bug in sprintf 2024a, can't use other variable and just repeating the first variable
The residue funciton produces column vectors in its output. To use sprintf with them, concatenate them in a matrix and then tra...

22 giorni fa | 0

| accettato

Risposto
Graph lines not showing
See if the yline function will do what you want.

22 giorni fa | 1

Risposto
Two sets of data with two date ranges and y-axis values
Try this — x1 = 1:250; y1 = 20*sin(2*pi*x1/100) + 20 + randn(size(x1))*5; x2 = 15:250; y2 = cos(2*pi*x2/150)*60 + 150 + ...

22 giorni fa | 1

| accettato

Risposto
Parameters identification providing derivative
The differential equation needs to be integrated in order to use . This does not appear to be as straightforward as I would hav...

22 giorni fa | 1

| accettato

Risposto
How to use values from excel file in genetic algorithm
Use the readmatrix function instead of readtable since there are no variable names. It produces a matrix that can be address...

23 giorni fa | 1

| accettato

Risposto
How to do fft of a csv file to plot amplitude spectrum
See the documentation for both fft and nufft. One of those should apply to your problem. Another optioon is the pspectrum fu...

24 giorni fa | 0

Risposto
Parameter estimation of SEIHRDBP model
The time values are incorrect. The complete table of those values should be — Date Infected Death ____ ___...

24 giorni fa | 0

| accettato

Carica altro