fprintf and fscanf same format fail to read file. appreciate help
MATLAB is NOT Fortran. As Stephen notes above and is documented, fscanf returns a single array of a given class; if there are a...

19 Tage ago | 1

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fprintf and fscanf same format fail to read file. appreciate help
fprintf(fid,'%5i%5i %17.4E%17.4E\r\n', A); will write A in column-major order, not row-major as you're trying to read it in l...

19 Tage ago | 0

How to combine datetime and duration columns to form 1 new datetime column in table
Add the duration to the date... Starting with: t = 3×3 table Date Time Data ___________ ____...

20 Tage ago | 5

How to Delete certain rows in a Matrix
Use indexing expressions... N1=15; % number to save N2=90; ...

20 Tage ago | 1

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How to customize the subplots?
Just make the additional adjustments to axes/line properties in each subplot as you create it. As you've written it, that means...

21 Tage ago | 1

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Updating a matrix through a loop
>> nR=sum(m~=0,2); % the number by row nonzero entries >> m(:,any(m(nR==max(nR),:),1))=[] % remove colu...

23 Tage ago | 0

How do I make text color black when using the function insertText
Read the rest of the documentation... 'BoxColor' — Text box color 'yellow' (default) | character vector | cell array of chara...

23 Tage ago | 1

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MATLAB showing two equal numbers as not equal to each other
Not remembering floating point rounding. Try principal_stress(1,1) - principal_stress(2,1) and see what the result is. You'l...

24 Tage ago | 0

converts a point in cartesian to cylindrical and spherical cooridantes(error:getting same answer in cylindrical & spherical coordinates)
if x,y > 0 phi = atan(y/x); elseif x,y < 0 phi = atan(y/x)+pi; elseif x>0 && y<0 The if statements are bad syntax ...

26 Tage ago | 0

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Indexing dates yearly and quarterly.
Use a timetable and retime with a custom method function.

26 Tage ago | 1

How to plot a histogram along a curve
Well, your data is rather unique (so to speak :) ): I was trying to figure out how you did the opacity thing in knowing the rel...

29 Tage ago | 0

SOLVED: Summing values together until certain value is reached - then repeat - and plot
OK, a working script...I set the setpoint to 250 so would have more than one condition satisfied for testing... tt.Level=zeros(...

29 Tage ago | 1

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How to plot a histogram along a curve
Oh. That's much more understandable, thanks. Something like histogram2(x.',y.','Normalization','pdf','FaceColor','flat') col...

30 Tage ago | 1

Insert value for the last day of the year
May be a neat way with the builtin datetime lookup functions, but first thing that comes to mind is isyrlast=false(size(dates))...

etwa ein Monat ago | 1

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SOLVED: Summing values together until certain value is reached - then repeat - and plot
Not fully coded, but the idea should work to build loop... t=readtable('tarmo.dat','HeaderLines',1); t.Var1=strrep(t.Var1,''''...

etwa ein Monat ago | 1

Geomean on returns with negative values?
Use GR=100*(prod(1+R/100)^(1/numel(R))-1); where R is the rate of return for the period. Example: >> R=[9 1 2 3 -1]; ...

etwa ein Monat ago | 1

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Linear fit to log x axis scatter and correlation calculation
You forgot to attach the data so made something up... x=1:10; y=sort(lognrnd(10,1,1,10)); b=polyfit(x,log10(y),1); yf=10.^po...

etwa ein Monat ago | 0

Matlab Number Precision Affects the Results
Use ismembertol instead. And read up on floating point precision at <What Need to Know About Floating Point>

etwa ein Monat ago | 1

How to do Table Look-up?
If all observations are extant but just missing some timesteps, then vars=unique(data(:,1),'stable'); % unique variable name...

etwa ein Monat ago | 0

how to plot to get four plots of descriptive statistics in one figure
Revised to use the real data and the fitted statistics...as noted above, you can't represent these distributions at all fairly b...

etwa ein Monat ago | 0

Importing data with unequal number of column
The problem is the file has embedded \n in what should be unbroken records. Whether this came from the original creation of the...

etwa ein Monat ago | 0

How do i get my code to read the updated csv table instead of the old table?
It would be better to follow IA's suggestion of fixing the grades in memory and updating the file, but... Your logic error here...

etwa ein Monat ago | 0

Extracting second number after comma within parenthesis
Slightly modified version following IA's direction using newer string parsing functions that can do much of what regexp expressi...

etwa ein Monat ago | 1

Make entries of first row and column of matrix all equal to zero.
Modestly different approach...instead of having to clear row/column, just don't write into them to start with: N=10; ...

etwa ein Monat ago | 0

how to plot to get four plots of descriptive statistics in one figure
You haven't kep the underlying data in the summary statistics so can't do the histogram from those statistics alone. It's simpl...

etwa ein Monat ago | 0

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Create an Array with zeroes and sevens
function charge=chargeprofile(start,chargetime,kW) % return charging profile for half hour increments over 24-hr day % given s...

etwa ein Monat ago | 0

Performing operations on non-uniform data
t=timetable(datetime(final_data(:,1),'ConvertFrom','posixtime'),final_data(:,2)); % build timetable t20=retime(t,'regular','ne...

etwa ein Monat ago | 1

Changing properties of several lines in a plot containing hundreds of lines
Save the line handles when you plot... [T,X]=odexx(...) hL=plot(T,X); ix=find(X(end,:)>0.01); set(hL(ix),'LineWidth',2) ...

etwa ein Monat ago | 1

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How to read a binary file with below description?
Well, one can take a stab at it assuming is compatible w/ most common desktop architecture at the moment and see if it works or ...

etwa ein Monat ago | 0

Question

Save Open State in Editor???
Is there no preferences option to have editor reload previous state w/o having to open each and every file again? Very rude beh...

etwa ein Monat ago | 1 answer | 0