# Star Strider

Hic sunt dracones! PROFESSIONAL: Physician (M.D.): Diplomate of the American Board of Internal Medicine; M.Sc. Biomedical Engineering: Instrumentation, Signal Processing, Control, System Identification, Parameter Estimation NON-PROFESSIONAL: Amateur Extra Class Amateur Radio Operator; Private Pilot, Airplane Single Engine Land, Instrument Rating Airplane; Gamer NOTE: I do not respond to emails or personal messages, unless they are about my File Exchange contributions. Time Zone: UTC-7 (Standard); UTC-6 (Daylight Savings/Summer)

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**Content Feed**

how to insert data into matlab

With R2015a use the xlsread function to import the data. Get all of the outputs in case there is column header information that...

ongeveer 7 uur ago | 0

butterworth filter gain higher than zero

The problem is that the plots provided by either fvtool or freqz do not use the scaling factor (‘glow’ here). Plot them separ...

ongeveer 8 uur ago | 0

Contour Plot Wrong Colors

I get a slightly different result when I use ‘torquev’ and ‘rpmrangev’ to define the interpolation grids, so that may be the pro...

ongeveer 14 uur ago | 0

the legend is not working properly

My guess is that you have an AMD graphics card, and have not updated the graphics drivers in a while. (This sort of legend prob...

ongeveer 22 uur ago | 0

How can I limit the load function?

I am not certain what you want, however one option is to Load List of Variables into Structure Array You can then limit the va...

1 dag ago | 0

How to combine a marker to a line and show in legend?

Insteaqd of using separate line and scatter calls, use plot. Specifically, see LineSpec.

1 dag ago | 0

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FFT from .csv voltage and current data file

These are not easy files to work with. That is likely the problem. Try this — C1 = readcell('https://www.mathworks.com/mat...

1 dag ago | 0

how to import csv file with along with its headers in the matlab?

You don’t say what Release you’re using, however in R2022a the readtable function seems to do exactly what you want — T1 = rea...

2 dagen ago | 0

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Fourier series fit to a periodic function with multiple frequencies

Adding a second function will change the baseline, for example — t = linspace(0, 10, 1000); s = sum((1./[1;3;5]).*sin([1;3;5]...

2 dagen ago | 0

Get the data points after smoothening the plot

I am not certain what you are asking. Try this — T1 = readtable('https://www.mathworks.com/matlabcentral/answers/uploaded_f...

2 dagen ago | 0

| accepted

fft function error while extracting EEG signals in EDF file

According to the edfread documentation, the ‘data’ are the first output, not the second. The assignments should probably be: ...

2 dagen ago | 1

| accepted

How to determine an y value at a specific x value?

Since ‘sm1’ is a function of ‘W1’ this is not as straightforward as it might at first appear. v1=0.034; %viskozite yağ için...

2 dagen ago | 1

| accepted

Plot is not lined up with the X axis

I am not certain what the problem is. Using plot with only one argument plots the argument with respect to the indices of the a...

3 dagen ago | 0

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using GA including a hybrid function option

In the optimoptions call, the 'HybridFcn' name-value pair must have a function handle to they hybrid function as its value. I...

3 dagen ago | 0

Plotting sine wave valley to valley

Perhaps something like this — t = linspace(0, 1, 250); freq = 5; s = sin(2*pi*t*freq + 3*pi/2); figure plot(t,s) grid ...

3 dagen ago | 0

display comma in xlabel

In the NumericRuler Properties documentation see TickLabelFormat to understand how to put the comma thousands separator in the t...

4 dagen ago | 0

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How to retrieve the fit and confidence bounds values, plotted in the graph upon using fitlm function?

That is one of the 'line' objects, however getting the information from it is not straightforward. Itis easier to just use the ...

5 dagen ago | 0

Legend command not working when plotting figure

I am surprised that the legend call did not throw an error. It did when I tried to run the code: ElectronEnergy = (1:100:1000...

5 dagen ago | 0

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How to mark labels on sampling points

I have no idea what you want to plot. Try this — T1 = readtable('https://www.mathworks.com/matlabcentral/answers/uploaded_f...

6 dagen ago | 0

How can I resample data with multiple time column?

One approach — M = [ 19 1 1 0 0 0 1009.4 28.9 71.0 0.0 0.0 0.0 0.0 19 1 1 0 0 30 1009.4 28.8...

7 dagen ago | 0

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How to find x value for a known y in array plot?

Possibly: idx = find(diff(sign(y - 0.8*max(y)))); xvals = x(idx) That should find the closest indices to all of them.

7 dagen ago | 0

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how to connect the upper points of a sine curve by making them a curve?

Use the envelope function (R2015b and later) in the Signal Processint Toolbox. Perhaps: envup = envelope(y); The function ...

7 dagen ago | 1

| accepted

Not getting curve in my graph

‘Any ideas?’ Yes. Subscript ‘theta’ and all the argument vectors using the loop index ‘i’ rather than ‘n’. n=100; s=ze...

8 dagen ago | 1

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how to get decimal answers?

If you are using the Symbolic Math Toolbox, use the double function if the expressions do not contain symbolic variables. If th...

8 dagen ago | 2

| accepted

Plotting 5 different filled markers on one graph

If you don’t need lines connecting the points, use the scatter function. It has a 'filled' option to automatically fill the mar...

8 dagen ago | 0

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How to read a .dat file containing an ECG signal?

PhysioBank used to be much friendlier than it now is. I have no idea what records you’re interested in, however the easiest w...

9 dagen ago | 0

| accepted

Write multiple variables from a function

sw_sats is a 7071x200 array co2_sat is 7071x200 array k_brine is a 1x1500 array Kb is a 1x1500 array That means that ‘Sw’ ...

9 dagen ago | 0

| accepted

Change value based on the values of another column

Another approach — v = [-0.00554 -0.00503 -0.00406 -0.00406 -0.00316 -0.00274 -0.00274 0 0 0 0 0 0 0.00233 0.004...

9 dagen ago | 0

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problem in creating plot from for loop

The value of ‘t’ is the last value in the loop, and the intermdiate values of ‘vs’ are not saved, so the result is only one valu...

10 dagen ago | 1

Heat map from csv data

It looks like a surf plot viewed from the top. Try this — T1 = readtable('https://www.mathworks.com/matlabcentral/answers/u...

10 dagen ago | 1

| accepted