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How do I read data from a filename called in code or make the filename a string?
[files,pathname]=uigetfile('*.csv','Select One or More Files','MultiSelect','on').'; % NB: return column vectors for i=1:s...

約8年前 | 0

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Display only part of a plot?
Yeah, but you have to evaluate the function over the range you want and use the results to do the plotting instead of the overlo...

約8年前 | 1

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How to map a matrix with numerical and string data to a matrix in range [1,5] ?
out=interp1([min(in) max(in)],[6 1],in); It's just a linear transformation, you can also compute the coefficients of the po...

約8年前 | 1

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How to determine the end of an array you are putting data into in an excel file?
Read the doc (carefully)... :) ... RANGE Character vector or scalar string that specifies a rectangular portion of ...

約8年前 | 0

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Calculate wet bulb temperature from ambient temp, dew point, and atmospheric pressure
Simplest would be to move all of the functions into a single m-file and turn the outer script into a function and thereby be abl...

約8年前 | 0

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How to change array parameters in a loop function?
analyzerData(:,((i-1)*4)+4) = transpose(str2num(query(analyzer, "DATA? 'VS'"))); analyzerData(:,((i-1)*4)+4) = transpose(st...

約8年前 | 1

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Make same axes for subplots?
Presuming |hF| is the handle of the figure and |hAx| is the array of axes handles you saved when you created the subplots, you c...

約8年前 | 0

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I have a cell array with 10 cells and various values in each cell. I would like to make a stacked histogram of this data, where each cell is color coded to distinguish it from the others. Is there a way to do this on matlab?
Is this what you had in mind, perhaps? load risetime n=cellfun(@numel,risetime); nMax=max(n); aug=cellfun(@(r,n) c...

約8年前 | 1

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Could upo please help me to solve my problem?
The latter is unsupported syntax; named parameter/value pairs can only trail all the given x,y,linespec triplets and that partic...

約8年前 | 0

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Write missing data as NaN
OK, without |timetable| and |retime|... dt=(datetime(data(1,1:6)):minutes(15):datetime(data(end,1:6))).'; % build the full...

約8年前 | 0

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Mean function of timeseries with NaN
MATLAB determines weighting by: Attaching a weighting to each time value, depending on its order, as follows: First ti...

約8年前 | 0

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Write missing data as NaN
tt=timetable(datetime(data(:,1:6)),data(:,end)); tt.Properties.VariableNames={'Data'}; tt=retime(tt,tt.Time(1):minutes(1...

約8年前 | 0

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Statistic Toolbox all combinations 6 Parameter
D=fullfact(4*ones(1,6)); |fullfact| returns the design levels as 1:L; to have as wanted levels since they're all same for e...

約8年前 | 0

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I couldn't understand why my code works with R=1.2 and d=3.6 values but doesn't work with R=1.3 and d=3.9 values. Can you help me?
>> 1.2*3-3.6 ans = -4.4409e-16 >> 1.3*3-3.9 ans = 4.4409e-16 >> Neither are exact in the world of floating poin...

約8年前 | 0

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How to create a For Loop to Loop through all the rows in the matrix
You don't need any loops at all...use the MATrix LABoratory vectorized operations. You already have the the signal in the array...

約8年前 | 0

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why if condition is not working in this code.
As noted, perhaps the following would help... >> x=input('enter no1: '); z=input('enter no2: '); if (x<z) ...

約8年前 | 0

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How to convert all data from text file into a single column?
EQ=xlsread('Data.xlsx'); EQ=reshape(EQ(:,1:8).',[],1); will return the first 8 columns as vector presuming order is by r...

約8年前 | 0

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Compare string array columns for equality then display all non-equal rows
>> y(x(:,2)~=y(:,2),:) ans = 2×2 string array "1" "x x x" "4" "x x x" >>

約8年前 | 0

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Drawing a Heatmap for a large dataset.
Probably <https://www.mathworks.com/help/matlab/ref/heatmap.html#bvm6n8w-1 Heatmap CustomAggregation> example will help.

約8年前 | 0

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text in colorbar display
Not sure how you managed to get the above; you don't show code so we can't reproduce it w/o a lot of effort. Without doing extr...

約8年前 | 0

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how to start my plot from start of axis
But you plotted against ordinal number of observation... plot((SMed_eq),'-r','Marker','*','LineWidth',1.3); hold on p...

約8年前 | 0

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How can I force matlab to write all decimal places to a .txt file?
_"cuts off digits past the hundredths place in the first column, but not for the second column. "_ fprintf(fileID,'%6.2...

約8年前 | 1

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XLSWRITE not behaving as expected
_"Am I missing something here or has the source code changed over the years?"_ What you're missing in |dlmwrite| is dlmw...

約8年前 | 1

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Return subscripts of common rows for multi-dimensional matrix?
ix=mod(find(all(ismember(A,B),2)),size(A,3));

約8年前 | 0

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How do I reshape a large matrix?
B=reshape(A,[],9); The kicker is that mod(numel(A),9)==0 or will fail or will have to pad/truncate A.

約8年前 | 0

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Can someone suggest good resource for signal analysis using FFT?
I'm a geezer so my standby favorite for years has been <https://www.amazon.com/Fast-Fourier-Transform-Its-Applications/dp/013...

約8年前 | 0

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How can I remove quotes from a table?
Because you used default conditions to |readtable| and didn't give it enough help to parse the data correctly; hence it read it ...

約8年前 | 1

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How to substitute some of the values in a matrix
for i=1:size(ID,1) [inA,locB]=ismember(ID(i),IDwords); if inA RT(inA)=RTc(locB); end en...

約8年前 | 0

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How to fprintf one large variable that is a table?
nCol=10; % how many columns you want??? fmt=[repmat('%11.3E',1,nCol) '.\n']; % format...

約8年前 | 1

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Advance for loop variable if condition met
doc continue doc break doc for There's also always doc while if a counted |for| isn't really the bestest cons...

約8年前 | 0