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...

mer än 6 år ago | 0

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...

mer än 6 år ago | 0

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...

mer än 6 år ago | 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,...

mer än 6 år ago | 1

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...

mer än 6 år ago | 0

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 ...

mer än 6 år ago | 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...

mer än 6 år ago | 0

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...

mer än 6 år ago | 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...

mer än 6 år ago | 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. ...

mer än 6 år ago | 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...

mer än 6 år ago | 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...

mer än 6 år ago | 0

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...

mer än 6 år ago | 0

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...

mer än 6 år ago | 0

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...

mer än 6 år ago | 0

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...

mer än 6 år ago | 0

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...

mer än 6 år ago | 0

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...

mer än 6 år ago | 0

mer än 6 år ago | 5

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...

mer än 6 år ago | 0

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

mer än 6 år ago | 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 ...

mer än 6 år ago | 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...

mer än 6 år ago | 0

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; ...

mer än 6 år ago | 0

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] =...

nästan 7 år ago | 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...

nästan 7 år ago | 0

How to assign multiple figures on same code
first of all the tags do not need# as they are already marked as tags, # are used in sites like facebook, twitter, etc. to not h...

nästan 7 år ago | 0

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Model Portability - Troubleshooting Directory Path Error
You probably want to look at the following: pwd %get current working directory addpath %add a path to matlab's list of p...

nästan 7 år ago | 0