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Isolating segments of data in one column using time integrals from the next column
Logical addressing to the rescue!!! :) >> for i=1:length(interval) c{i}=data(iswithin(data(:,2),interval(1,1),inter...

約9年前 | 0

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Using a loop with a cell array
[~,~,raw]=xlsread('File Wk1edited_Original.xlsx '); ix=cellfun(@isempty,strfind(raw(:,10),'unknown')); raw(~ix,:)=[]; ...

約9年前 | 0

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How do I extract data from a .dat file contain multiple tables?
Read the full file into character array and then search for the RPM line; that will give you a set of sections within which to i...

約9年前 | 1

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Datenum Reversal Drifts away from Original Time
Stephen's spot on; unless both the acquisition and whatever is recording timestamps are interrupt-driven and the processing is o...

約9年前 | 0

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Plot a large array of doubles
for n = 0:1000000 ... Pi(n) = currentPi; end ... plot(n,Pi); _n_ is just a single value of 1000000, the ...

約9年前 | 0

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Plot trend line from data imported from excel
It's not much more than Excel altho a "trendline" is generally considered linear and certainly the orange curve isn't going to b...

約9年前 | 0

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How to convert dates and times from txt to numbers?
I'd suggest using |*table*| for such data/analyses. I put your first file into a local file _'kpl.txt'_ and manipulated it with...

約9年前 | 0

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fprintf in nested for loops
_"Able to get the file opening to work"_ Well, no, not really. What you've done is alias |*sprintf*| to a variable by assign...

約9年前 | 1

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How can I plot a bar chart with 4 different y-axis and standard deviation?
OK, I ran your function -- it gets thru the barplot ok but barfs on the errorbar with size mismatch. Wasn't sure what your inte...

約9年前 | 2

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Keep only the first mention of a number in a cell array
>> [u,ia]=unique(C); >> C_new=cell(size(C); C_new(ia)=u >> C_new(ia)=u C_new = '00173' [] [] '00355'...

約9年前 | 0

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Lagged/Cross Correlations with missing values
isOK=isfinite(A) & isfinite(B); % both rows finite (neither NaN) [r,lag]=xcorr(A(isOK),B(isOK),'coeff');

約9年前 | 1

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How to use a GUI to create and name a text file
Use [fname,pname]=uigetfile('*.txt'); instead for prepackaged file dialog. See doc uigetfile % for details, more o...

約9年前 | 0

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How to obtain integer solutions only with fsolve?
Can add constraints to *|fsolve|* but can't force it to be integer-valued. That is a mixed-integer linear programming problem; ...

約9年前 | 0

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Suppose I have 5 traces of action potential with different peaks. I would like to plot all those 5 traces on the same plot so that all the peaks are same. Basically I would like to plot on the normalized scale.
Well, another shot in the dark...putting the two traces you posted before together... VV=[Vv1 Vv2(2:end)]; T=[Ti1 Ti2(2:end)...

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約9年前 | 0

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Suppose I have 5 traces of action potential with different peaks. I would like to plot all those 5 traces on the same plot so that all the peaks are same. Basically I would like to plot on the normalized scale.
If all are same length so have each trace in a column in an array, say _data_, then dataNorm=bsxfun(@rdivide, data, max(data...

約9年前 | 1

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How to delete all *.xlsx files in a folder that contain a specific string within the file?
You'll have to simply iterate over the collection of files, reading each and searching for the string and then delete that file ...

約9年前 | 0

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MATLAB invalid field name
_" how to solve this and maintain the field name with "/" ?"_ No can do. The '/' is simply not an allowable character in a v...

約9年前 | 0

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For loop: max iterations exceeded
Has nothing whatsoever to do with the |*for*| loop; it _is_ in the inner iteration of whatever function it is that you're callin...

約9年前 | 1

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How to enhance the performance of for-loops and cell-arrays (related to statistical calculations)?
S = 'runoff.txt'; O = 'runoff_observed.txt'; D = 'C:\Users\heute\model\results\model_standalone\'; d = dir(fullfile(D...

約9年前 | 1

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Perform function on each vector within an array
outcomes = Columns 1 through 3 [1x63 double] [1x246 double] [1x153 double] ... _"First, I'd like to perfor...

約9年前 | 1

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Counting number of rows in a field of structure
Well, that's an ambiguous question if ever were one...certainly for a given structure/field combination |*size*| works; we need ...

約9年前 | 1

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How can I get text in figures to display symbols?
Unfortunately, the |*uicontrol*| objects do not expose an 'Interpreter' property as does the |*text*| object or even labels. ...

約9年前 | 0

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How to obtain data which fall outside the limits of the scatter plots?
If the red line is computed at the same points as the other data, then simply ix=ltbluepoints>redpoints; % logical vector ...

約9年前 | 0

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All the fieldnames are prefixed with 'x'
_|*table*|_ names must be valid Matlab variable names and (just like SAS and R and virtually all other programming languages) th...

約9年前 | 2

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How to exit CMD windows after calling Raven.exe inside a loop in a MATLAB code?
# Show the command you're dispatching... # Build a .bat file that runs the program instead of dispatching the program itself: ...

約9年前 | 0

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close command / dos window
If you must use the trailing '&' to dispatch the command window to the background while the Matlab system continues, then you do...

約9年前 | 2

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How do I find peak duration with the following scatterplot?
load Time_X.txt load Turbid_Y.txt thrsh=55; % the threshold ix=(Turbid_Y>thrsh); % locations above...

約9年前 | 0

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How to create an double for loop in matlab?
_"I have 4 matrices in list names A through D..."_ Don't do this! See <http://matlab.wikia.com/wiki/FAQ#How_can_I_create_var...

約9年前 | 0

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How to convert structured .mat to .csv
Look at doc struct2cell If the whole structure is numeric, then (and only then), you can convert it to an array or vecto...

約9年前 | 0