Question

Image Processing in Optical Coherence Tomography - free book
A free book and free software by Robert Koprowski & Zygmunt Wróbel: <http://robert.frk.pl/?image-processing-in-optical-cohere...

14 years ago | 2 answers | 1

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How to plot only half of a polar plot? (i.e. only the lower hemisphere from 90-270)
figure t = 0:.01:2*pi; polar(t,sin(2*t).*cos(2*t),'--r') ylim([-0.5 0])

14 years ago | 0

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how ro rename matrix
You can also do it interactively from the Workspace Browser - mark the variable and click it again and then you could rename it....

14 years ago | 0

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How to store a matrix obtained in a particular file/directory??
*save* command stores variable in a MATLAB formatted binary file (MAT-file): save(filename, 'your_matrix') To load data ...

14 years ago | 0

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compass plot
view(-90,90)

14 years ago | 1

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solving Differential Equations
<http://www.mathworks.com/support/tech-notes/1500/1510.html#reduce How Do I Reduce the Order of an ODE?>

14 years ago | 0

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READ from text file
doc importdata doc load doc fread ...

14 years ago | 0

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gui inside gui
Just type the name of a program in callback function. See also: <http://www.mathworks.com/help/techdoc/ref/run.html>

14 years ago | 0

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rotation matrice
What does it mean "it didn't work"? Have you got an errors? Look at example: I = imread('coins.png'); figure, imshow(...

14 years ago | 0

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Saving GUI plot to bitmap file without displaying Matlab figure
e.g.: h = figure('Visible','off'); plot(1:10) print(h,'-dbmp','example') close(h)

14 years ago | 0

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Plotting multiple matrices in the same plot, so i can seee how the matrices develop trough time?
My suggestion: for k=1:size(val,3) imagesc(val(:,:,k)) colorbar caxis([18 120]) drawnow ...

14 years ago | 0

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Calling Function
Type function name with arguments in command window and hit enter.

14 years ago | 0

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can anybody give me a example showing how to avoid division by 0 by using try-catch?
Dividing by zero does not return an error in Matlab. So I suggest you to use *if - else* instead *try - catch*: for k = -5:...

14 years ago | 0

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Changing the scale of Y-Axis!
ylim([1 20])

14 years ago | 3

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How to use dlmread with a txt file not in Matlab directory?
x_i=dlmread(fullfile(pathname2,filename2), '\t',[1 0 39 0]);

14 years ago | 0

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How to convert a numerical matrix into a matrix of formatted strings?
use *sprintf*: sprintf('%.2f ',[1 2 3.051 4])

14 years ago | 0

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Labeling Minor Tick Marks in Plots
Remove YMinorTicks, and add new YTicks: y = [0.4,0.5,0.8,1,1.5,2,4]; semilogy(y); set(gca,'yMinorTick','off') yRan...

14 years ago | 0

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programming for the pathname
function test uicontrol('Style','pushbutton','String','get file','callback',@fclbck) h = uicontrol('Style','text','Strin...

14 years ago | 0

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Text and Line only shown in debug mode
Maybe add *drawnow* command after you draw the line, or try to use *refresh* function.

14 years ago | 0

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GUI multiple axis different color map
<http://www.mathworks.com/matlabcentral/fileexchange/7943>

14 years ago | 1

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Figure Docking (group)
You can try this function: http://www.mathworks.com/matlabcentral/fileexchange/16650 _Warning: This code heavily relies on...

14 years ago | 0

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Alter axis size
Try: set(gca,'Units','normalized','Position',[x y w h]) where x, y, w, h belong to the interval [0 1].

14 years ago | 0

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Create cell array with the same string n-times
repmat({'filename.mat'},1,5)

14 years ago | 13

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how to save many image into mat file??
save(['image' num2str(k), 'imsize'); See also: <http://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3...

14 years ago | 0

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creating message dialog box
*msgbox* create and open message box: doc msgbox See also: doc dialog

14 years ago | 0

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How to find the positions of a string which occurs multiple times
doc fopen doc fgetl doc strfind doc strcmpi

14 years ago | 0

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Keep a for loop running when ODE gives an error
% mxn A matrix contaning m sampling combinations of n input parameters for i=1:m input=A(i,:) try solutio...

14 years ago | 1

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How can I title my bar graph in x-axis?
I have no idea why. This code should work: figure name = {'m1';'m2';'m3';'m4';'m5'}; x = [1:5]; y = [19,24,42,12,14...

14 years ago | 11

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How can I title my bar graph in x-axis?
bar(1:12) set(gca,'xticklabel',{'a','b','c','d','e','f','g','h','i','j','k','l'})

14 years ago | 2

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Strange behavior retrieving directories' names with dir
This is not a strange behaviour: *.* - is a current directory, type: cd . and *..* is a parent directory, type: cd ..

14 years ago | 2