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How to fit a Gauss curve in the tails of a curve
If the data typically have such a discontinuity at the tails, a technique we used in the old online "SulfurMeter" which was a ga...

9年弱前 | 1

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how to get rid of NaN column by column
DM=xlsread('DMdata.xlsx)'; for i=1:size(DM,2) data=isfinite(DM(:,i)); % do whatever with each column here; _data_...

9年弱前 | 0

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Deleting rows in matrix due to a certain column's value
V=40000; % use variable rather than embed magic numbers in code ix=A(:,1)>V; % bum row logical vector A(ix,:)=...

9年弱前 | 0

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How to obtain this format using either disp or fprintf??? Any basic instruction?
>> data=[1 1.00; 2 2.30; 3 5.79]; >> fprintf('F%d %.2f\n',data.') F1 1.00 F2 2.30 F3 5.79 >>

9年弱前 | 0

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How to sort by time
>> dnm=datetime(c(:,1),'format','yyyy/M/d HH:mm'); % convert date strings >> target=datetime('2015/7/23 17:0...

9年弱前 | 0

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problem assigning integer values in image to NaN
NaN is a concept for floating point arrays only; if the image is one of the integer classes the assignment will be as you noted....

9年弱前 | 2

質問

datetime error/inconsistency
>> datetime(1963,0,213) ans = 01-Jul-1963 >> datestr(datenum(1963,0,213)) ans = 01-Aug-1963 >> sum(eomda...

9年弱前 | 2 件の回答 | 0

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Probabilistic analysis - failure frequencyseems unreasonable
The product of two Gaussian random variables is a linear combination of two Chi-square random variables: XY=[(X+Y)/2]^2 − [...

9年弱前 | 0

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can someone explaing the computation for double sided and single sided spectrum in fft() example
The example is single-sided from F=0:Nyquist (Fs/2). Since the FFT returned by Matlab is double-sided, from -Fmax:+Fmax, ...

9年弱前 | 7

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Why does textscan read only 95% of my data file?
There'll be a formatting discrepancy in the file at the offending line that causes |*textscan*| to fail. |*fgetl*| otoh reads t...

9年弱前 | 0

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function help - selects the even rows and columns and returns of matrix M and then puts them in a new matrix called even
You didn't pass any argument to the function when you called it -- hence there was nothing inside the function for _M_ M=ra...

9年弱前 | 1

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Global variables in functions
>> help clear ... | clear GLOBAL removes all global variables. ... However, using |global| is _not_ recomme...

9年弱前 | 0

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how interpret Kolmogrov test outputs?
|h,p| are the results of the hypothesis test at the (default) 5% significance level-- |h| is a logical "pass/fail" flag while |p...

9年弱前 | 1

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Why do I get undefined variable error in the attached code?
As another wrote, looks like you transposed the LH and RH sides of the assignment of input argument _x_ to local variables. Why...

9年弱前 | 0

9年弱前 | 0

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Add a marker to surf plot
You've got the surface occluding the z-axis values -- to make the point show try something like ZMax=max(Z(:)); plot3(x,...

9年弱前 | 1

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Plot shifting between two values in if statement
... for k=1:N-2*K, ... if(e_k>e_k1) estimated_c=estimated_c+(c)*e_k*y_k/n; plot(k,estimated_c,'...

9年弱前 | 0

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Getting a new matrix after comparing two matrices in some conditions
_"... can check whether the rows of L1 are included in K1. I can't count the times and formulate new matrix R"_ Well, if you ...

9年弱前 | 0

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readtable with fixed column width from a txt file
The warning is simply |*readtable*| complaining about the space in the first column heading; it's not smart enough to just smush...

9年弱前 | 0

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Interpolating from different rows in a for loop
Well, the syntax to address the row after the current is, as you've written, X(indx+1,:) but in your code n = length(X(:,1...

9年弱前 | 0

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How to plot from table
Going to a lot of trouble that doesn't seem needed in writing stuff out to files instead of just using the in-memory data direct...

9年弱前 | 0

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How to save the data when we are using dir('*.hdf')
While not your specific problem (at least yet), using the magic number of 365 for the loop isn't good practice; use for i=1...

9年弱前 | 2

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What are the row and column subscripts needed to access the 167th element of the fourth cell
All depends on what the array dimensions are; you don't need them anyway if you wish the Nth element, just use one-dimensional s...

9年弱前 | 0

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How can I read a text file as fixed width columns?
cw=[1 2 6 1 1 2 2 2 2 4 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5]; fmt=sprintf('%%%dd',cw); % file open preamble code here for open...

9年弱前 | 0

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Retrieve data from textfile
fmt=['{"metadata":{"date":"' '{%{M/d/yyyy hh:mm:ss a}D' '","TotalShrooms":{"AbsoluteTime": %f %*[^\n]']; % file open prea...

9年弱前 | 0

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Plot 3 lines using plotyy
[hAx hL1 hL2]=plotyy(x,[y(:) y2(:)],x,y1); *NB:* The colon on the _y_ is to ensure are column vectors for the concatenatio...

9年弱前 | 1

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Averaging points within data set
I can't read the image to tell what the data file name is, but given the data are just a linear sequence so don't have to do any...

9年弱前 | 1

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Function or Process For Time Series Correction
Many ways to do this depending...if have the Signal Processing TB, there's |resample| in it using a polyphase filter or there's ...

9年弱前 | 1

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Identifying Missing data years in and retaining years with maximum value
As noted in the comment, I wondered about <http://www.mathworks.com/help/robotics/ref/timeseries.html <timeseries>> ability to h...

約9年前 | 0

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Calling max value of variable from another function
The _y_ in the function |example| has nothing to do with the _y_ from the |load y| command so the question is unclear as to why ...

約9年前 | 0

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