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how to model a high pass filter in simulink?
Supposedly you have the transfer function, use the <http://www.mathworks.in/help/simulink/slref/transferfcn.html transfer fcn> b...

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Multiselect from listbox and apply to subplot
Change the _max_ and _min_ property of listbox. Refer this link : <http://www.mathworks.in/help/matlab/ref/uicontrol_props....

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how to define mathematical function ?
<http://www.mathworks.in/help/matlab/matlab_prog/anonymous-functions.html Anonymous Functions> Check this out.

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How to implementation DFT (discrete fourier transform) to intensity?
Use the logarithmic scale to image the fourier transform. Fourier transform results in large dynamic range, thereby logarithmic ...

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How to display the contents of a file in matlab GUI 2007b?
Here's a prototype: imageInfo = imfinfo('pout.tif'); str = evalc('display(imageInfo)'); % Create a figure with stat...

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Choose data in excel
doc xlsread The documentation says it all.

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get the name of mat file loaded by command "uiopen" ?
Use *uigetfile* instead. fileName = uigetfile('*.mat'); load(fileName)

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load .mat files in order
Check out this <http://www.mathworks.com/matlabcentral/fileexchange/10959-sort-nat--natural-order-sort sort_nat> function from t...

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Saveas plot using name of imported data file.
[path , name , ext] = fileparts(filev); saveas(gcf , fullfile(path , [name , '.jpg'])) % You ca...

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how to generate pulses with 180 deg phase shift
A phase shift is equivalent to multiplication by a complex exponential in frequency domain. Take an fft of the whole signal and ...

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Bandpass Filter Design MATLAB Code
<http://www.mathworks.in/help/dsp/gs/design-a-filter-using-fdesign.html Design a Filter Using fdesign>

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how to apply z transform for an image
doc czt You can apply czt on each row followed by applying it on each column.

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EXTRACT NUMBER FROM A COMBINED STRING AND NUMBERS
String = 'mario5.png'; output = String(regexp(String , '[0-9]'));

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How to display Multiple Statements in a GUI Edit Box
String = {'This is first statement'}; set(handles.edit1 , 'String' , String); String = {String{:},'This is the 2nd statement...

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dear all, i am trying to execute this code, but getting the error of "Error using vertcat Dimensions of matrices being concatenated are not consistent"... code is given below, please help me out.
dbstop if error type the above said command at the command prompt before running the script, it'll you to the part of code ...

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Rotating of body with GUI
doc view If you are not comfortable with GUI building, check this out: <http://blogs.mathworks.com/videos/2005/10/03/guide...

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change histogram graph to smooth curve
_histfit_ fits normally distributed data. For details refer documentation. doc histfit

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How to pass parameters between local functions of uicontrol, pushbutton?
<http://matlab.wikia.com/wiki/FAQ#How_can_I_share_data_between_callback_functions_in_my_GUI.28s.29.3F How can I share data betwe...

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GUI to set folder path then to select an image
path = 'c:\users\userName\my documents\matlab'; filter = '*.bmp'; selectedFile = uigetfile(fullfile(path , filter)); imshow...

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More plot area ezplot
By default ezplot plots over the range -pi to pi. You can explicitly specify the range: ezplot(fun,[min,max])

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??? Error using ==> plot Invalid first data argument
*filedir(cnt).date* is a *character string*. Use _datenum_ datenum(filedir(cnt).date)

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how do i save the data from ginput?
data = ginput(2); x = data(:,1); y = data(:,2); Or simply: [x , y] = ginput(2);

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how to label a point on a graph?
doc text

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How do i display multiple output image from m-file in single axes with option to navigate in guide?
Insert this in the gui *OpeningFcn* and see what it echos at the command prompt: Flag = isfield(handles , 'axes2') Flag...

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I need a help about loading data into MATLAB in case of using GUI!
doc uigetfile doc xlsread doc importdata

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How can I plot only the real elements in a plot?
idx = (testArray==real(testArray)); testArray is the array under consideration. realComponents = testArray(idx) ;

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How to avoid the information loss of image conversion from uint8 to logical and then back to uint8?
graythresh(image) % check out the difference in threshold Use the same threshold and you are going to get the same image.

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Plotting elements in a cell array
data = cellfun(@str2double, str, 'Un', 1); plot(data)

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How to use .img format files ?
fid = fopen('fileName.img'); data = fread(fid, dataDimensions, precision) close(fid) for more info: doc fread do...

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How to store specific data from structure (substructure)?
That is already stored but if you want it to store in another non struct variable, you need not use a loop. follow this: Si...

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