Function inside for loop that calls multi-column variables

28日 前 | 0

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How to find n number of low value's position or column number from a cell ?
NtoFind=5; [Mn,iMn]=mink(X,NtoFind);

29日 前 | 0

MATLAB syntax (parantheses without intermediate steps)
Because to date TMW has chosen to not implement post-addressing expressions on results. "WHY?" you'd have to ask TMW and it's u...

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rounding to zero small numbers (NOT round function)
No. ML basic numeric type is the floating point double which around zero has roughly the above magnitude of precision. You'll ...

How to identify traces in a plot
You could use the 'Tag' line property to add an identifier to each when created or use the legend 'DisplayName' which is also se...

saving in a specific text file format
>> fmt='%8.3f,%8.3f\n' fmt = '%8.3f,%8.3f\n' >> fprintf(fmt,A.') 25.000, 10.000 26.000, 9.000 >>

how can I find the distance between succesive points in a big matrix
d=diff(xy); % presume 2D array is xy d=hypot(d(:,1),d(:,2)); pdist may be as fast even though computes all p...

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Boxplot in a specified position in a subplot
... bar(max(kimpute)+1, ... % add boxplot onto right end of axis NX=max(kimpute)+1; % how many locations on ...

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How to use findpeaks function to give me the peak maxima within a particular length of time? How to find slopes of peaks?
The first Q? is you just pass the portion of the time series that encompasses whatever time span you wish -- how many points tha...

read certain rows and lines into array from txt file
opt=detectImportOptions('smtony.txt'); % get the base import object opt.SelectedVariableNames=opt.Sele...

how can i print an array using fprintf function?
You didn't put but one numeric formatting string in the format; hence, the whole thing repeats as often as needed to output the ...

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Get data from a Cellstr
On the presumption there's a much larger lookup table in the real application... X=[17,21]; % lo...

Assign a part of file name to a variable
m=str2num(char(extractBetween(myfolderinfo(i).name,'_','.')));

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Warning: The assignment added rows to the table, but did not assign values to all of the table's existing variables. Those variables will extended with rows containing default values.
Apparently you had a table with N variables but only assigned values to a subset of those when adding rows. Example: >> x=rand...

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Timestamps on X axis from datetime
You've got to create datenum array to match to plot against for datetick to work correctly. Or you need to plot the x axes usin...

HOW TO COMBINE TWO CELLS INTO ONE?
As Adam notes, you have two arrays as shown (I took the liberty to reformat the original Q? to make more legible) and there's a ...

How to plot a graphic with different markers in a scatter plot?
"plot each "9 dots" in the graphic with "different marker.". Not each group." Wow. But, ok...that's simpler with plot than it ...

How to create pseudo x-axis (or y-axis) tick labels?
With the background as to "why", basic idea would be something like Ratio=100/3; % the divisor for modifying the actual ...

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Why is the or statement making something true?
"Am I doing something wrong with the | as or?" Yes you are...the above is the same as if Overall_max_score==(scores(1,3)|score...

change datatype of x axes
Axes are not polymorphic--they require a given data type. You'll have to create two axes and select which to display depending ...

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Function with structure field syntax
"You can also call a method using dot notation....It is not necessary to pass the object explicitly as an argument when using d...

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Insert zero in an array when a certain value is exceeded
U=T; U(SETT>175)=0;

How to extract text from string at the same location, one line above
Presuming have read the file into a string array, s, >> isOK=contains(s(find(contains(s,"12345"))-1),"999") isOK = logical...

how to set NaN values red in a figure ?
I guess you could interpolate to fill in the NaN locations and then scatter3 them on top of the surf w/ the red marker...otherwi...

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Plotting data as a function of time
For the given description, yes. BUT, you should probably create your date vector as one of the datetime or duration class inste...

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Simple linear regression, prediction intervals behave strangely using predint
It's the use of the ''observation','on' for the simultaneous bounds that's causing the much wider prediction interval bounds. N...

How to find the mean peaks in positive axis
thresh=0; % or whatever level you wish pks = findpeaks(y,'MinPeakHeight',thresh); Read the doc carefully; findpeaks has all...

2ヶ月 前 | 0

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Combining multiple plot statements.
As is, the above code snippet leaves only the result of plot((1-sqrt(5)),0,'g^', 'MarkerFaceColor', 'g') on the figure because...

2ヶ月 前 | 0

MinPeakDistance ignoring some peaks it shouldn't
See <Answers 482540: Logic of findpeaks> for what's behind the cause for this. You'll have to modify your search pattern to loo...

2ヶ月 前 | 0

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probem with FaceColor of bar
Carrying on from the above after defining data... clrs=[[1 0 0];[0 1 0];[1 1 1];[0 1 1];[0 0 1];[1 1 0];[0 0 0];[1 0 1]]; % rgb...

2ヶ月 前 | 1