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

12 years ago | 2

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Answered
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. ...

12 years ago | 0

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Answered
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...

12 years ago | 0

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

12 years ago | 0

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Answered
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

12 years ago | 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);

12 years ago | 1

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Answered
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...

12 years ago | 0

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

12 years ago | 0

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

12 years ago | 0

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Answered
Plotting data from table
doc plotyy

12 years ago | 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...

12 years ago | 1

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Answered
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 = ...

12 years ago | 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...

12 years ago | 0

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

12 years ago | 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...

12 years ago | 0

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Answered
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...

12 years ago | 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...

12 years ago | 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;

12 years ago | 0

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Answered
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...

12 years ago | 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...

12 years ago | 0

Answered
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);

12 years ago | 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'...

12 years ago | 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...

12 years ago | 1

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

12 years ago | 0

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Answered
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...

12 years ago | 2

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Answered
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 ...

12 years ago | 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];

12 years ago | 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

13 years ago | 0

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Answered
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) -...

13 years ago | 0

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Answered
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...

13 years ago | 0