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CS Researcher


Last seen: 2 years 前 |  自 2016 起处于活动状态

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Professional Interests: signal processing, sparse approximation

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已回答
how to use bin2dec for binary numbers called by elements
Do you mean something like this: bin2dec(num2str(A))

8 years 前 | 0

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已回答
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...

8 years 前 | 1

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已回答
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!

8 years 前 | 1

已回答
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-...

8 years 前 | 1

已回答
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,...

8 years 前 | 0

已回答
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...

8 years 前 | 0

已回答
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...

8 years 前 | 0

已回答
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:...

8 years 前 | 0

已回答
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))...

8 years 前 | 0

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已回答
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...

8 years 前 | 0

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已回答
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...

8 years 前 | 0

已回答
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]);

8 years 前 | 0

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已回答
addressing a cell array
How about this: a = cell2mat(fastaStrs); b = a(:,2);

8 years 前 | 0

已回答
How to define a single row in a vector
Let say the vector is a a = 1:11 b = a(6)

8 years 前 | 0

已回答
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 ...

8 years 前 | 0

已回答
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

8 years 前 | 0

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已回答
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...

8 years 前 | 0

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已回答
How do I manipulate arrays more efficiently?
How about this: b = abs(a-t); [~,l] = sort(b,'descend'); c = a(l); Hope this helps!

8 years 前 | 1

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已回答
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...

8 years 前 | 0

已回答
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...

8 years 前 | 0

已回答
getting it in a matrix?
Let x be the column vector. Try this: modifiedX = reshape(x,numel(x)/20,20)';

8 years 前 | 0

已回答
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...

8 years 前 | 0

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已回答
difference between load and xlsread
Short Answer: 'load' is to load a .mat file to the workspace whereas 'xlsread' is to read Excel Spreadsheets.

8 years 前 | 0

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已回答
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]...

8 years 前 | 0

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已回答
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...

8 years 前 | 0

已回答
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 =...

8 years 前 | 1

已回答
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);

8 years 前 | 1

已回答
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;

8 years 前 | 0

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已回答
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 ...

8 years 前 | 1

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已回答
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)...

8 years 前 | 1

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