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How to use ginput with live video?
I don't really think ginput() would be the best function to use. why not something like %%live video answers example ...

約10年前 | 0

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How can I change cell mode color settings?
it is back in the color options that you used to change the background to black. you should be able to expand the colors catego...

約10年前 | 0

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How to find all possible combinations of an array?
the function perms will generate all the combinations perms(2:7) will give you 7 6 5 4 3 2 ...

約10年前 | 0

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plotyyy: third plot as bar
quickest and easiest way would be to edit the plotyy line of the graph to be [ax,hlines(1),hlines(2)] = plotyy(x1,y1,x2,y2,...

10年以上前 | 1

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get plot handles from existing legend from 2014b on
you can extract that data in a way like this: figure; originaldata = rand(10); plot(originaldata); h = legend('bla...

10年以上前 | 0

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Generate all possible combinations of a few variables of a maximum length using certain mathematical operators/functions?
This is certainly possible and to perform this easily i'd tackle this in two parts. # create function to perform single var...

10年以上前 | 0

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I had time 21:09 and i want to generate previous 10 time events like 21:08 to 20:59. so how to implement?
the units of datenum are in days so you need to subtract by the fraction of day. datestr(datenum('21:09')-1/24/60,15) %wil...

10年以上前 | 0

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labeling points on graph
you can use the function text() like here in my example n = [10e21,10e18,10e27,10e36,10e32]; kt = [10000, 10, 1000, 10,...

10年以上前 | 1

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How to find these rows in a dataset directly before a sequence of NaNs?
so you can create something like this: sampdata = [2 4 1 20 2 4 2 1 2 4 3 NaN 2 4 4 NaN 2 4 5 NaN...

10年以上前 | 0

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What is difference between these two commands of MATLAB.
if you look up the documentation you'll see what the inputs mean. both will give you different P's of the input sizes m x n of ...

10年以上前 | 0

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how can i plot a sine wave with different peak amplitudes
you can add different sine waves together that have different amplitudes and periods. ex: t = 0:.1:100; amp = zeros...

10年以上前 | 0

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How to plot like this?
well the first part is easy since sum(your128x128x32matrix,3) will sum your images together. next you can use what was suggeste...

10年以上前 | 0

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Problem with empty text input GUI
odd because if i use this snippet of code: figure, txtbox = uicontrol('style','edit'); %% txt = get(txtbox,'string...

10年以上前 | 0

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Can my ui table also act as my plot legend?
yes you absolutely can. It just takes some basic knowledge of HTML and knowing how to get/parse/extract handle properties. ...

10年以上前 | 1

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Create a matrix (24,72) using 'for' loop.
since it is a nice simple pattern of (zeros for columns that are a multiple of 3) then: DesiredResult = ones(24,72); Desir...

10年以上前 | 2

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How to change values of variable in both increasing and decreasing manner in GUI ?
is this not just setting the max and min properties of the slider to a min value of -10 and max value of 10? example: func...

10年以上前 | 0

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how to pick the pair of numbers?
You can use the function nchoosek() (example: nchoosek(1:5,2))) so it has your array 1 through 5 and it'll supply the unique pai...

10年以上前 | 0

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Hello, Is there any way that i can lock my models that i create in MATLAB/Simulink? I want to protect my Matlab/Simulink files with password in order to avoid any modifications from other peoples. Thanks
depends on what you're doing and how you're giving them to people. Do you want them to still be able to read them? if not at l...

10年以上前 | 0

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How to color a line based on error range
So.... after digging through your code (next time please include a picture of what you're dealing with and why you don't like it...

10年以上前 | 0

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Updating text in a GUI
one of the many questions is how long is the calculation? if it is quick enough (i don't know how quick is quick) matlab maynot...

10年以上前 | 0

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Density Plot Discrete Points
take a look at the Surface Plots of Nonuniformly Sampled Data section of <http://www.mathworks.com/help/matlab/visualize/represe...

10年以上前 | 0

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matlab plot in real time
no idea what you're doing with A or B especially with defining B but then using it as the indexer in the for loop but get what y...

10年以上前 | 0

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Csvwrite a matrix with header
simple way is to write the header in using fprintf cHeader = {'ab' 'bcd' 'cdef' 'dav'}; %dummy header commaHeader = [cHe...

10年以上前 | 5

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How can I create a bubble different size plot?
you are best off not using markersize. Markersize is unitless and there is not many explanations on how to set it to correspond...

10年以上前 | 0

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Change string of pushbutton from radio button callback?
change hObject to handles so set(hObject.btAPPLYFT,'String','DETECT PITCHES..'); turns to set(handles....

10年以上前 | 0

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FFT of a row of data (for a beginner)
convert the data using the function double() y = double(Data(1,:)) you can read up on the different types of numbers and ...

10年以上前 | 0

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I want to read images from a gallery contain 20 color images and then convert these to gray scale images and finding histogram for each,how can I do it? making index for every image!!!
you'll have to do something like this: yourgalleryfolder = 'D:\Master\Research\Practical-Matlab\1\'; imagefiles = dir(fu...

10年以上前 | 0

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Sliding window in a matrix
you can perform what you're doing a bit simpler. E = randi(100,6000,3); %my generation of dummy data windowL =500; ...

10年以上前 | 0

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Subtracting within a Matrix
you can use the built in function unique to determine this: A =[ 1 0; 1 2; 1 3; 2 3; 2 4; 3 1; 3 6; 4 5] [c1,ia1,ic1] =...

10年以上前 | 1

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I need discover a value using Linear Interpolation.
look up the function interp2. using the example you should get something like temp=McKetta(1,2:end); psi = McKetta(2:e...

10年以上前 | 0