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Accessing Workspace variables
A = whos; for ii = 1:numel(A) A(ii).name end Cheers, Brett

mehr als 15 Jahre vor | 1

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Separating Objects in an Image
I agree with Walter about the depth ambiguity, but I think you still might be able to get reasonably good results with this imag...

mehr als 15 Jahre vor | 1

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identifying positions of a string within a text file
Lots of ways. This one uses regular expressions: mystr = 'line $$ 1 $$ line 2' newstr = regexprep(mystr,'\$\$','New_Stri...

mehr als 15 Jahre vor | 0

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over lap image onto another image??
Consider: a = magic(7) b = rand(2,3) a(3:4,4:6) = b % Or, more generally,: startrow = 3; startcol = 4; ...

mehr als 15 Jahre vor | 0

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Image Processing (related to image comparison)
Once you've segmented your regions of corrosion, the function REGIONPROPS will be quite useful!

mehr als 15 Jahre vor | 0

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Issue with fractional step-sizes
y(1) refers to the first element of y. y(2) is its second element. What does y(1.5) refer to? Your problem is in your use of ...

mehr als 15 Jahre vor | 1

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Segmenting using X-Y co-ordinate axis
XY coordinates are non-standard (in MATLAB) for displaying images. But non-standard doesn't mean "not doable." Using the AXIS XY...

mehr als 15 Jahre vor | 0

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to plot different graph in a single window
If you want to plot IC vs VCE _and_ IB, you might want to consider using PLOT3 or SURF. Or some other 3D visualizer. Brett

mehr als 15 Jahre vor | 0

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How do I increase the speed of a line plot?
Daniel, Withoug seeing your code, it's difficult to guess what's causing the slowdonw. But try using LINE instead of PLOT. I ...

mehr als 15 Jahre vor | 1

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How to plot navigation points on an indoor floorplan
Look at the <http://www.mathworks.com/access/helpdesk/help/techdoc/ref/quiver.html QUIVER> command (and HOLD ON, of course). Tha...

mehr als 15 Jahre vor | 1

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How to find direction (directional vectors) of a moving object in a video?
The Video and Image Processing Blockset provides <http://www.mathworks.com/access/helpdesk/help/toolbox/vipblks/ref/opticalflow....

mehr als 15 Jahre vor | 0

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Cursor line
I would create a line object for each axes, and use <http://www.mathworks.com/access/helpdesk/help/techdoc/ref/linkprop.html LIN...

mehr als 15 Jahre vor | 1

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Reading a txt file with different number of rows for each column
Noga, Read the <http://www.mathworks.com/access/helpdesk/help/techdoc/ref/textscan.html doc for |textscan|>. There's a section ...

mehr als 15 Jahre vor | 0

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Random Corner Patches
Harris corner detection is the default for the Image Processing Toolbox function <http://www.mathworks.com/access/helpdesk/help/...

mehr als 15 Jahre vor | 0

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what is the difference between image and imshow ?
|image| is a MATLAB command that visualizes your matrix as simply a matrix of numbers. The colors used to represent each value m...

mehr als 15 Jahre vor | 9

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Apply Zoom in other axes
See the help for <http://www.mathworks.com/access/helpdesk/help/techdoc/ref/linkaxes.html LINKAXES>. Cheers, Brett

mehr als 15 Jahre vor | 1

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box counting to boundary
Damodara, There are no MathWorks-supported functions (Toolbox or otherwise) that I'm aware of for box counting. There are, ho...

mehr als 15 Jahre vor | 0

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Select axes for zoom in/out
img = imread('cameraman.tif'); f = figure; ax(1) = subplot(1,2,1); imshow(img) ax(2) = subplot(1,2,2); imshow(i...

mehr als 15 Jahre vor | 1

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Problem with origin and plotting axes
Is this what you're looking for? >> x = [-0.5 0.5 0.5 -0.5]; >> y = [-0.5 -0.5 0.5 0.5]; >> plot(x,y,'ro') >> axis...

mehr als 15 Jahre vor | 0

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Day of year to month
How about this? D = datevec(datenum(1992,1,1:1/24:365, 0,0,0)); Cheers, Brett

mehr als 15 Jahre vor | 0

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Inserting numbers into a vector
Michael, See if you can figure it out from this response: <http://www.mathworks.com/matlabcentral/answers/1085-inserting-a-c...

mehr als 15 Jahre vor | 0

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inverse Fourier transform
Look at the dimensions of your z matrix. (size(z)). Then make sure the number of x values matches the first dimen Consider: ...

mehr als 15 Jahre vor | 0

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Accessing Hyperspectral Images Using MATLAB
If the images are stored in .mat files, you should be able to LOAD them with core MATLAB--no special Wavelet-reading functions n...

mehr als 15 Jahre vor | 1

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Create workspace file automatically.
I think you mean "variable," not "file." Right? for ii = 1:numel(a) eval(sprintf('%s = %d',a{ii},b(ii))); end Chee...

mehr als 15 Jahre vor | 0

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Day of year to month
If you have 365 days, for instance, but no month information, you can simply increment the DAY position in datenum: mydate...

mehr als 15 Jahre vor | 0

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Determining whether a point on earth (given latitude and longitude) is on land or ocean
I think this will do it. It is a binary classifier: Ocean/Land. coast = load('coast.mat'); [Z, R] = vec2mtx(coast.lat,...

mehr als 15 Jahre vor | 2

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finding a closed region
Create a mask of your regions (blobs). Then use the fourth syntax of <http://www.mathworks.com/access/helpdesk/help/toolbox/imag...

mehr als 15 Jahre vor | 0

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finding the length of a pendulum in motion
property = regionprops(lab,'Centroid') returns a struct, the fields of which correspond to each ROI (blob) in lab. To convert th...

mehr als 15 Jahre vor | 0

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.Fig to .m file
Lina, From your GUIDE-built GUI, pull down from the File menu to EXPORT. That should generate a MATLAB file that will recreat...

mehr als 15 Jahre vor | 2

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executable file without supporting file?
When you build your application (using Deploytool, for instance), you will need to provide hard links to the supporting dll's. T...

mehr als 15 Jahre vor | 0