Community Profile # neamah al-naffakh

Last seen: 6 months ago Active since 2016

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Question

Store identical rows in specified column
Hi , I have a table that has thousands of input, an example is attached Date ID Name Des 01/...

7 months ago | 1 answer | 0

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Question

Extracting unique rows from cell array Matlab 2015a
Hi, I have dataset (different data types) that contains thousands of rows [~,~,data] = xlsread('dataset.csv'); % Extracting ...

7 months ago | 1 answer | 0

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Extract N number of digits after the dot
Hi guys, suppose *N=1234.4345* I would like to store in this variable the decimal number and the first two digits only af...

5 years ago | 1 answer | 0

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Question

how to draw signal using different colour
Hi Guys Please I have plot the follwing graph. <</matlabcentral/answers/uploaded_files/89937/1.png>> The graph incl...

5 years ago | 1 answer | 0

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caculate frequency from signal data
I have data from the accelerometer sensor and this is an example of my signal <</matlabcentral/answers/uploaded_files/78681/...

5 years ago | 1 answer | 0

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how to get the content of cell array
I have an array called *(dataBig2)* that contains *20234 cells*. Each cell contains N number of *rows* and *9 columns* (the f...

5 years ago | 2 answers | 0

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dividing signal into subsets
I have about 5 hours of the acceleration data for a particular user ( the collected data is real life data, which means I don't ...

5 years ago | 2 answers | 0

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Question

How to determine input and target data for classification in neural network
Hi, I'm working on *gait recognition problem*, the aim of this study is to be used for user authentication (i.e. authenticate...

5 years ago | 1 answer | 0

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Question

Training Neural Network for classification
Hi, I'm working on *gait recognition problem*, the aim of this study is to be used for user authentication I have data of ...

5 years ago | 0 answers | 0

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Question

K-Fold Cross Validation
Hi Guys, I have data of 36 users as shown in the code (MATLAB) data is loaded into a matrix called *Feat_Vec1* clear...

5 years ago | 0 answers | 0

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Question

sorting a matrix column with the corresponding row
I have a matrix that contains ( 6 rows, 2 columns) as shown in the attached image. <</matlabcentral/answers/uploaded_files/6...

5 years ago | 1 answer | 0

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Question

Delete Data from a Cell Array
Hi, I have an array called AA that contains *36 cells* ( inside each cell there is another *36 matrix* each matrix contains...

5 years ago | 1 answer | 0

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convertion N matrixs inside a cell into one array
in addition to the answer of the gentleman *Walter Roberson* this is another answer that we can use it as well output...

5 years ago | 0

Question

convertion N matrixs inside a cell into one array
I have a cell called *( AA )* that contains *1 row * 36 columns* (as shown in the attached image) <</matlabcentral/answers/...

5 years ago | 2 answers | 0

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Question

convert column inside a cell
Hi everyone, I have a cell *(called AA )* that contains *1 row * 36 columns* (as shown in the attached image) <</matlab...

5 years ago | 2 answers | 0

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Question

load multiple .mat files
hi everyone, I have a question. I am analysing some data which have multiple subjects. Information about every subject is ...

6 years ago | 1 answer | 0

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Question

Split a vector into two vectors randomly
hi, I have a vector that has 36 values and I'd like to split it into two vectors randomly. ( the first vector has 25 values ...

6 years ago | 1 answer | 0

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Question

convert the time domain signal into frequency domain signal
hi guys, this is the second part of this <http://uk.mathworks.com/matlabcentral/answers/300090-convert-the-time-domain-signal-...

6 years ago | 1 answer | 0

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Question

convert the time domain signal into frequency domain signal
Hi, I have represented the acceleration data of 3 axes(x, y, and z) in time domain as shown in the Graph <</matlabcentral/...

6 years ago | 3 answers | 0

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Question

Convert Time Domain Signal Data into Frequency Domain
Hi, I have dataset that contains time stamp and the acceleration data of three axes( x, y, and z) then i the data has been sto...

6 years ago | 1 answer | 0

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how do i calculate the Correlation coefficients
Hi guys, thanks for your answer howeover, the correct function is *corr* CorrcoeffXY{nn,1} = corr(X_Segments{nn},Y_Se...

6 years ago | 0

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Question

how do i calculate the Correlation coefficients
I have dataset that contains the acceleration data of three axes (x, y, and z) , this an example of my data X ...

6 years ago | 2 answers | 0

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Question

calculating the MFCC and BFCC for a signal
Hi guys, I'm wondering, is there any function in Matlab to extract the Mel Frequency Cepstral Coefficients (MFCC) and Bark Fre...

6 years ago | 1 answer | 0