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delete all zero columns and the same columns in another matrix
You could try something like this zerosLocations = ~A; idx = (sum(zerosLocations) == size(A,1)); A(:,idx) = []; B(:,...

10년 초과 전 | 1

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Reducing matrix dimension to a lower dimension
it looks like it is the squeeze command that you are looking for? Have you tried this: squeeze(X);

10년 초과 전 | 6

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force code gui on start up
so I am trying to create a GUI programmatically instead of through guide which I have used up to now. However, I am stuck with t...

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Define filname for exported data with GUI
the save command saves the data in .mat format by default. It is not possible to write to xls format with this command, only to ...

10년 초과 전 | 0

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convert values to string
I have a vector with values to define groups (groupValue, in this case 1000x1 array with values from 1 to 5) I also have a cell...

10년 초과 전 | 답변 수: 3 | 0

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How to place multiple csv files along coloum, side by side, in a single file.
this can be easily achieved with the following code listing = dir(nameFolder); N = numel(listing); data = []; for ...

10년 초과 전 | 0

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How to extract data from .txt file that has both text and numerical data?
this is not so difficult to achieve just define the appropriate HeaderLines as optional argument to textscan and it should wo...

10년 초과 전 | 2

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time for 50 events
if you have the data in matrix format you could do this timeVector = datenum(data(:,1:6)); timeVectorEvery50 = timeVecto...

10년 초과 전 | 0

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Need help getting this code to plot
it is not clear what you want to do but is it something like this? function plotting(gridSizes) cap = zeros(len...

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what does pred means in the command (dist ,path, pred)=graphshortestpath(G,S)?
just write the following command in your matlab: doc graphshortestpath This will tell you that: ... pred contains...

10년 초과 전 | 0

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I have timeseries with 15 minute time stepp. How can I screen one hour times series (cumulative) from 15 minues time series.
since you stated that the time step is not fixed you cannot use reshape but you should use a combination of histc and accummarra...

10년 초과 전 | 0

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how do i plot hh:mm:ss format in x axis where my x axis is containing no. of sample points...???
have you looked into xtick and xlabel commands?

10년 초과 전 | 0

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Remove units from a string
just use textscan rawData = textscan(yourValue,'%f%s'); value = rawData{1}; units = rawData{2};

10년 초과 전 | 0

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How do I save data into a txt file from a xls file?
Do you mean something like this? Since you did not attach a file, I could not do a test run so this code probably still contains...

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How to find a value of a vector from another one?
is this what you mean? B(A==200)

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Create a plot with a function in a loop?
you have to use the hold on command such that you are adding with plot to the current figure without overwriting your previous ...

10년 초과 전 | 0

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Keyboard interaction using GUI and callback error
have you tried this: function figure1_WindowKeyPressFcn(hObject, eventdata, handles) switch eventdata.Key ca...

10년 초과 전 | 0

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how to find blocks of values within array where difference is less than X for a specific number of values without losing the last value?
if you also want the last value why don't you just write endPos = falling(wideEnough); instead of what you currently ha...

10년 초과 전 | 0

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simple error on plotting
this should work, are you sure that you have not redefined the plot function or used it as a variable name?

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Unravel.c function will not compile despite multiple attempts to debug it.
just going through the errors given by the mex-compiler: you are missing a bracket on line 53, right after mxGetN(prhs[2] you...

10년 초과 전 | 1

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assigning a vector to a function
you do not have enough information in your question, why do you not add the relevant code? if in your function file you have ...

10년 초과 전 | 0

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Improper assignment with rectangular empty matrix
first of all, do you want to store the values of dateAll for each iteration or do you only want to use it inside your dateloop? ...

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Need help in running multiple loops and saving separately
you can use sprintf to generate a unique file name for which you will store your graph so in each loop, after creation of you...

10년 초과 전 | 0

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question about x(1:n) vs x(n:1)
you can use this to create a column vector since you just need to define that there is only one column x(1:n,1) = 20; bu...

10년 초과 전 | 0

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Datevec to Datetime conversion results in 1 millisecond error?
I do not seem to be able to reproduce this deviation, so how did you obtain the DV and DT variables? >> timeVec = [2015 8 1...

10년 초과 전 | 0

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conversion of a date/time column into serial date number and seperate time column
use datenum and a format specifier (assuming X is your variable and Y is the requested variable) numFormat = datenum(X{:,1}...

10년 초과 전 | 1

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why is uigetfile not reading files the same way as xlsread?
did you even read the documentation on uitgetfile? It does not return the data inside the file, it just returns the name of the ...

10년 초과 전 | 2

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How can I make the spacing in a table more consistent? Also, how could i rearrange the table's names to match the one in part 2d?
have you tried to use the tab delimiter in the fprintf statement as suggested <http://www.mathworks.com/matlabcentral/newsreader...

10년 초과 전 | 0

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drawing a line using drawnow
it is not at all clear to me why you are using a for loop for this why not just use t = 0:0.01:5; X = x_1+(x_2-x_1)*t; ...

10년 초과 전 | 0

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How to display the legend NOT superimposing the plotted functions?
set the location of the legend to a location outside the figure, depending on what you prefer Norhtoutside, Southoutside, NorthE...

10년 초과 전 | 0

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