# CS Researcher

Professional Interests: signal processing, sparse approximation

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**Content Feed**

how to use bin2dec for binary numbers called by elements

Do you mean something like this: bin2dec(num2str(A))

mer än 7 år ago | 0

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Show plot in figures window with GUI

You can have all the 'bad boys' in the GUI too. Open the GUI in GUIDE and go to Tools -> Toolbar Editor and add whichever tool y...

mer än 7 år ago | 1

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how to make a row into a one element

Try this: N = size(a,2); powerVector = 10.^[N-1:-1:0]'; requiredVector = a*powerVector; Hope this helps!

mer än 7 år ago | 1

Open and process files in subfolders

Why not do the same as you did above. Inside the for loop do this: d=uigetdir('','Select Input-folder'); %select the input-...

mer än 7 år ago | 1

Cascade of discrete filters in MATLAB

You would have to convert the filters to dfilt type. Try this: lp = fir1(100, 0.77, 'low', rectwin(101)); hp = fir1(100,...

mer än 7 år ago | 0

Help with Matrix plot

Assuming all the values for insurance risk are integers: A = [randi([0 1],3000,1), randi([21 85],3000,1), randi([1 10],3000...

mer än 7 år ago | 0

How can I convert a lena.bmp image to lena.tif?

Read the image in I = imread(name.bmp); h = imshow(I); saveas(h,name,'tif'); In you case name is 'lena'. Hope this...

mer än 7 år ago | 0

How to declare a variable that changes it's size after each loop iteration?

I am not completely sure I understand your question but you can do it two different ways: If the number of columns are fixed:...

mer än 7 år ago | 0

how can I count the number of elements on a vector?

Try this: a = unique(T); b = arrayfun(@(x)(x-T),a,'UniformOutput',false); c = cell2mat(cellfun(@(x)(numel(find(x==0))...

mer än 7 år ago | 0

| accepted

Add panel in the GUI of Matlab

set(handles.button,'Parent',handles.panel) handles.button is the handle to the button and handles.panel is the handle to the...

mer än 7 år ago | 0

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how to convert accelerometer sensor data into velocity

Share the readings and explain more. What is 'g'? Are these the acceleration values? If yes, you have acceleration and you have...

mer än 7 år ago | 0

How to add lines in my plot?

Assuming the line length is L. You can do this: line([0 0],[0 L]); hold on; line([0 L],[0 0]);

mer än 7 år ago | 0

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addressing a cell array

How about this: a = cell2mat(fastaStrs); b = a(:,2);

mer än 7 år ago | 0

How to define a single row in a vector

Let say the vector is a a = 1:11 b = a(6)

mer än 7 år ago | 0

Inverse 3D plot

In 2-D you can visualize the transformation as a matrix multiplication. If I is your matrix (x,y), you apply the transformation ...

mer än 7 år ago | 0

how to convert back to wav file after edit the data in wav file?

Check out audiowrite: http://www.mathworks.com/help/matlab/ref/audiowrite.html

mer än 7 år ago | 0

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how to represent 30, 60, and 45 degree on matrix in Matlab?

You should always give out as much information related to your question as you can. Help us to help you. I did not completely un...

mer än 7 år ago | 0

| accepted

How do I manipulate arrays more efficiently?

How about this: b = abs(a-t); [~,l] = sort(b,'descend'); c = a(l); Hope this helps!

mer än 7 år ago | 1

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How to count repeated number pairs in matlab?

Lets assume the vector is a, i.e., a = [5,5,5,1,5,4,1,2,3,5,5,1,5]; Try this: numberOfPairs = sum(numel(find(diff(a...

mer än 7 år ago | 0

what does this command means?

Assuming Training_String is of size M x N, the command runs a for loop where i goes from 1 to N. Basically a loop which runs N t...

mer än 7 år ago | 0

getting it in a matrix?

Let x be the column vector. Try this: modifiedX = reshape(x,numel(x)/20,20)';

mer än 7 år ago | 0

How to save values calculated in each iteration of a loop into uitable to display on GUI?

You can do this: data = [x(:) y(:)]; set(handles.uitable,'Data',data); % Assuming handles.uitable is the handle to the u...

mer än 7 år ago | 0

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difference between load and xlsread

Short Answer: 'load' is to load a .mat file to the workspace whereas 'xlsread' is to read Excel Spreadsheets.

mer än 7 år ago | 0

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How to draw a vertical line with a given height?

For a line from (x,y) to (x,y+height), Use this: line([x x], [y y+height]); From origin it could just be line([0 0]...

mer än 7 år ago | 0

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How do I create a new array that is a cropped version of another array?

Let us say the vector which contains all the values is t. You can do this: startLocation = find(t >= 4.7,1); endLocati...

mer än 7 år ago | 0

How do i set a range for the number type in edit text box GUI?

Let us say the handle to the edit box is edit_box. In the callback function of the edit_box you can write this: value =...

mer än 7 år ago | 1

Binary matrix to array of poitns

Do the x and y arrays have to be in that order? If not, you can do this: [x,y] = find(A>0);

mer än 7 år ago | 1

Hi. Why i can`t get graphic? what is wrong?

Your C0 and C1 are scalars. To see the point you can do this: scatter(C0, C1) grid;

mer än 7 år ago | 0

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How can I automatically fill in the legend?

Let us assume there are N files. You can do this: legendTitle = cell(1,N); for i = 1:N %Your other operations ...

mer än 7 år ago | 1

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Use equation in for loop

You can avoid the for loop by: data = rand(100,2); % just for an example N = size(data,1); total = sum((data(1:N-1,2)...

mer än 7 år ago | 1