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Star Strider


Last seen: Today Aktiv seit 2012

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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Beantwortet
unable to plot semilogy properly
The easiest way to solve that is to plot each curve on its own y-axis using the yyaxis function — % QPSK M = 8; k = log2(M)...

32 Minuten vor | 0

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datetime don't displays the correct order
The 'InputFormat' and 'Format' name-value pairs are not the same. You need to specify them separately — aaa=datetime(dataa,...

42 Minuten vor | 0

Beantwortet
How to get daily max, min, and mean from a timetable?
Your groupsummary call is correct, except for not putting the data variables in square brackets (or curly braces). With that...

etwa 11 Stunden vor | 0

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Beantwortet
I'm unsure of why there is an error on F=@x
The statement order is reversed from what it should be — f=@(x)exp(-0.5*x)*(4-x)-2; df=@(x)exp(-0.5*x)*(-3+0.5*x); Xs = n...

etwa 14 Stunden vor | 1

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Beantwortet
small floating point has been considred as zero value!
Your code works correctly when I run it here — x=0.16 if x>0.1 d=1 else d=0 end d .

etwa 15 Stunden vor | 0

Beantwortet
Find Area under the curve as a non negative
It would help to have the data. Perhaps selecting everything with both x and y coordinates greater than zero, and then integr...

etwa 19 Stunden vor | 0

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Beantwortet
How to I parse an array of time stamp strings read into a table form a CSV file?
One approach – cc = ["02/27/2024, 12:03:25 PM" -0.329 "02/27/2024, 12:03:30 PM" -...

etwa 20 Stunden vor | 1

Beantwortet
Filled region between three functions
‘I would like to shade the region inbetween [sigma1, Friction], [sigma1, Friction2] and [sigma2, Tension_failure].’ Note that...

etwa 22 Stunden vor | 0

Beantwortet
Transparency in scatter plot
It would help to have representative data. I suspect the vector you are using as ‘C’ has very low positive values (perhaps on ...

ein Tag vor | 0

Beantwortet
readtable() ignores variable names and loses data when "extra" cells contain values
‘How can I tell readtable() to ignore any extraneous cells to the right of the main data that starts in A1?’ Without a file t...

ein Tag vor | 0

Beantwortet
Importing data from outside matlab directory?
Probably the easiest way is to use the fullfile function to generate the complete path to the file. To access other files in th...

ein Tag vor | 0

Beantwortet
Acceleration of code by replacing two nested for-loops
This could be difficult with your code because of the multidimensional nature of ‘B’, however the usual approach is to create m...

2 Tage vor | 0

Beantwortet
Viewing a house in MATLAB
The walls and roof needed duplicates with some offsets to plot correctly. Other than that, the patch arguments are set up to be...

2 Tage vor | 0

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Beantwortet
How to develop "a model" from a given m-file of regression analysis?
If your data are the same as in your earlier post, you can get all that information from the Curve Fitting Toolbox result. Th...

2 Tage vor | 2

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Beantwortet
how to plot a diagram that includes many excel data?
One approach is to read the files in to separate cell arrays, then vertically concatenate them, and then choose the ‘Absolute T...

3 Tage vor | 0

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Beantwortet
Replace Before A Specific Character
Assuming that you want to replace it with '9999' — diffStr="4026y 4 mo 13d 9h 26m 20.145s" val = num2str(9999) diffStr = reg...

3 Tage vor | 0

Beantwortet
How can I plot the linear variation?
Calculating the llinear regression was straightforward, however calculating and plotting the regression plane was something of a...

3 Tage vor | 1

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Beantwortet
Creating multiple cylinders in different coordinates
Perhaps this — [X,Y,Z] = cylinder(1,20); cm = colormap(turbo(10)); figure hold on for k = 1:10 ofst = randi(9,2);...

4 Tage vor | 0

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Beantwortet
How to find corresponding frequencies for frequency magnitudes in FFT analysis
I am not certain what you want from these calculations. I used my own fft call (since I found it difficult to understand your...

4 Tage vor | 0

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Beantwortet
Curve fitter, how to start?
Try this — T1 = readtable('data.xlsx'); Var1 = str2double(cellfun(@(x)regexp(x, '\d*', 'match'), T1.Var1)); T1 = removevars(...

5 Tage vor | 0

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Beantwortet
Table not aligning properly
Use fprintf instead of disp — ThePriceisRightWheel function ThePriceisRightWheel() clc clear RunTotal = 100000; Cont...

5 Tage vor | 0

Beantwortet
Showing information on a plot
Retrieving and showing all that information is not straightforward, however it is definitely possible. Use stepinfo to get the ...

6 Tage vor | 0

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Beantwortet
How do I extract a difit from a binary string
Tweaking your code — A=45; B=dec2bin(A) lb=length(B); C=strings(lb,1); % D=convertCharsToStrings(B); for i=1:lb C(i)...

6 Tage vor | 0

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Beantwortet
Deleting 3rd column of all cell double inside a variable than combine the data together
I limited the run to the first 20 ‘Pr_error_2’ cells because the full set required more time than the 55 second limit here permi...

6 Tage vor | 0

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Beantwortet
How to plot a function using a variable that is calculated over a range?
When in doubt, vectorise every multiplication, exponention, and division. With those changes (and nothing else) it works — ...

7 Tage vor | 1

| akzeptiert

Beantwortet
Ones function printing out
The fprintf call will execute and print even if there is a semicolon at the end of that call. X1 = rand(3,5); fprintf('Size ...

7 Tage vor | 0

Beantwortet
generate average numbers between two numbers inside a vector
One approach — V = [3.4789; 0; 0; 3.3535; 0; 0; 3.2398; 3.2263; 0; 0; 0; 3.0846; 0; 0; 2.9815; 0; 2.9430; 0; 2.9055]; r0 = [2...

7 Tage vor | 0

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Beantwortet
How to add a legend for multiple figures with horizontal and south location
I am not certain what you want. Try this — % Please how can add one legends for the subplots. I want the legend % location...

7 Tage vor | 0

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Beantwortet
How to fix the error
The error message is clear. Put the function at the end of the file and the code works — % Set random seed value rng(123)...

8 Tage vor | 0

Beantwortet
Plotting spectrograph from spectrum analyzer data
Yiour data needed a bit of tweaking. Tehe times in the ‘TimeData’ matrix are contiguous, so they can be converted into a vector...

8 Tage vor | 1

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