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how do i clear a logical variable from workspace
Like any other variable a = true; clear a;

environ 12 ans il y a | 2

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How do I clear up some memory?
UNIX systems do not return memory allocated to an application until the application exits. So it's not really a Matlab problem. ...

environ 12 ans il y a | 0

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Having a problem with MATLAB reconising variables
Your function has no idea of what's in your workspace. You need to pass these variables to the function if you want it to be abl...

environ 12 ans il y a | 0

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mesh along a plane for a 3D vector
mesh(squeeze(1,:,:)) Please accept an answer if it helps you.

environ 12 ans il y a | 0

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Wrong answers given by MATLAB LU Factorization
Both answers are valid. A = [2/3,1 ; 1, 0] *[6, 3 ; 0, 1] B = [1 , 0 ; 1.5, 1] * [4 , 3 ; 0, -1.5] A == B

environ 12 ans il y a | 0

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How do I differentiate between integer and floating point numbers in a double array?
is_integer = your_data == floor(your_data);

environ 12 ans il y a | 1

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How to loop through a dataset and skip every other row?
If you indeed have a cell array of strings, this should work: your_data = cellfun(@(x) x(3:end),data9.Location,'uniformoutpu...

environ 12 ans il y a | 0

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Sum over columns excluding rows
your_mat = flipud(cumsum(flipud(A')))'

environ 12 ans il y a | 0

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sampling from a matrix
bla = rand(10); %Columns you sample: my_cols = [1 5 7]; %Extract them: sample = bla(:,my_cols); nCols = 1:size(...

environ 12 ans il y a | 0

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Plotting data from table
doc plotyy

environ 12 ans il y a | 0

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How to copy a plot
fH(1) = figure(1); fH(2) = figure(2); fH(3) = figure(3); figure(fH(1)); lH = plot(rand(10,2)); aH = ancestor(lH...

environ 12 ans il y a | 1

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I have x and y values, but, how can I draw the shape?
*doc convhull* nVal = 50; xx = 149.5 + rand(nVal,1).*(451.5-149.5); yy = 75.5 + rand(nVal,1).*(279.5-75.5); k = ...

environ 12 ans il y a | 2

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plot multiple figures, each with subplots, within three layers of for loops
counter = 1; for ii = 1:5 for jj = 1:5 figure(counter) %bla counter = counter + 1...

environ 12 ans il y a | 0

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Matrix manipulation such as subtraction
Faster: your_mat = repmat(A,numel(B),1)-repmat(B',1,numel(A));

environ 12 ans il y a | 0

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Changing default 'g' color
I don't think it is a good idea to mess around with system defaults, especially if someone else is going to be using your machin...

environ 12 ans il y a | 0

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getting arguments of matlab when launched in background
A workaround that might make your life less complicated: make your script into a function and pass the output name as an argumen...

environ 12 ans il y a | 0

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non zero rows per column
your_mat = ndgrid(1:size(A,1),1:size(A,2)); your_mat(A==0) = 0; your_mat(your_mat==0) = Inf; your_mat = sort(your_ma...

plus de 12 ans il y a | 0

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if i want to change each value 1 in a matrix to 0 how to do that?
b = a; b(b==1) = 0;

plus de 12 ans il y a | 0

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How to plot with plotconfusion into subplots?
You could always copy all the objects generated by _plotconfusion_ into the subplot axes: a=[1 1 0 1 0 0 1 0 1 0 1 1 0 0 1...

presque 13 ans il y a | 2

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xticks showing latitude and longitude
aH = axes; h = plot(aH,rand(10,1)); set(aH,'XTick',1:2:10); set(aH,'XTickLabel',[]); oneTick = ['Lookee up' ch...

presque 13 ans il y a | 0

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How can I plot This ?
What does "it ain't working" mean? x= [ 0.2 :0.1 : 0.6 ] ; y = 4 * (sqrt(1 - x.^2)) ./ (2*pi.*x); plot(x,y);

presque 13 ans il y a | 0

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Size of exported pdf with given font size
How about setting the size of the figure programatically: h = plot(rand(10,1)); xlabel('$x\ (\mathrm{m})$','Interpreter'...

presque 13 ans il y a | 0

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How does the hist function deal with data on the boundary between bins
From the documentation (edit histc): % N(k) will count the value X(i) if EDGES(k) <= X(i) < EDGES(k+1). The % las...

presque 13 ans il y a | 1

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Find string with options (*)
expr = 'Object$[0-9]*$='; %Regular expression bla = 'asad ca Object(0)= asdas Object(k)=asdObject(1999)='; %string to s...

presque 13 ans il y a | 0

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How to store function parameters in a single variable
You could use a structure instead. PlotOpts.LineStyle = '-.'; PlotOpts.Color = [0 1 0]; PlotOpts.Marker = 's'; P...

presque 13 ans il y a | 2

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Information about NearestNeighbor function
As far as I understand, Matlab uses <http://www.qhull.org/ qhull> for delaunay triangulations. Is there a particular reason you ...

presque 13 ans il y a | 0

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Problem About 3D Plot Of Map
You are missing a '.': Longitude=[43.5308 43.5710 43.4535 43.4585 43.5795];

presque 13 ans il y a | 0

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Creating an array of probability distribution objects
You could use a cell array: for i=1:10 pdArray{i}=fitdist(errs, 'tlocationscale'); end

presque 13 ans il y a | 0

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How can i represent elevation (z) in different colors using plot function?
That's not a straightforward thing to do; h = axes; x = (1:10)'; y = rand(1,10); minY = min(y); intY = max(y) -...

presque 13 ans il y a | 0

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How to make only x-axis invisible (y-axis stays visible)?
h = axes; plot(h,rand(10,1)); pos = get(h,'Position'); new_h = axes('Position',pos); linkaxes([h new_h],'y'); p...

presque 13 ans il y a | 0