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

12年以上前 | 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. ...

12年以上前 | 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...

12年以上前 | 0

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

12年以上前 | 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

12年以上前 | 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年以上前 | 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...

12年以上前 | 0

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

12年以上前 | 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(...

12年以上前 | 0

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Plotting data from table
doc plotyy

12年以上前 | 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年以上前 | 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 = ...

12年以上前 | 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年以上前 | 0

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

12年以上前 | 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年以上前 | 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...

12年以上前 | 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年以上前 | 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年以上前 | 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...

約13年前 | 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...

約13年前 | 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);

約13年前 | 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'...

約13年前 | 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...

約13年前 | 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...

約13年前 | 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...

約13年前 | 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 ...

約13年前 | 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];

約13年前 | 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

約13年前 | 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) -...

約13年前 | 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...

約13年前 | 0