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Shoaibur Rahman


Baylor College of Medicine

Aktiv seit 2014

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Specialities: Systems Neuroscience, Machine Learning, Data Science, Statistical Inference, Signal Processing, and Image Processing

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Frage


Frequency scaling of audio signals
I have an audio signal x[n], whose frequency varies over time. It's FT is X[k]. I want to reconstruct an audio signal (x_hat[n])...

mehr als 6 Jahre vor | 0 Antworten | 0

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Frage


Inverse Fourier Transformation with a function in the exponent
I have a signal x[n] with it's Fourier Transform X[k]. I want a frequency-warped signal (x_warp[n]) by taking the inverse Fourie...

mehr als 6 Jahre vor | 0 Antworten | 0

0

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Gesendet


Exclude elements from array or matrix
Exclude elements from array, and rows or columns from matrix

fast 9 Jahre vor | 2 Downloads |

Gesendet


Customize plot graphics
Set custom graphics to plot

fast 9 Jahre vor | 1 Download |

Gesendet


Shuffle a vector for multiple times and concatenate them
Shuffle a vector for multiple times and concatenate them

fast 9 Jahre vor | 1 Download |

Gesendet


Calculate R-squared value
Calculation of r-squred value

fast 9 Jahre vor | 2 Downloads |

Gesendet


Vertical line on a figure
Vertical Line in Matlab

fast 9 Jahre vor | 1 Download |

Gesendet


Horizontal line on a figure
Horizontal Line in Matlab

fast 9 Jahre vor | 2 Downloads |

Gesendet


Find peaks (maxima and minima) of a function
This function detects the transition points (maxima and minima) in a function like y = f(x)

fast 9 Jahre vor | 2 Downloads |

Gesendet


A single title on top of a subplot
Use this function to print a title on the top of a group of subplots

fast 9 Jahre vor | 1 Download |

Gesendet


General Linear Regression Model
Generalized form of single and multivariate regression model (linear and non-linear)

fast 9 Jahre vor | 1 Download |

Frage


Shuffling a vector for n times to generate a new vector
A is a vector. I want to shuffle its elements for n times to generate a new vector. For example: A = [3 5 1]; out = [Shu...

mehr als 9 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


Generating a long vector from two other vectors
I got stuck with a (may be) simple problem. Here are two vectors, like: a = [20 13 24 ...]; b = [3 2 4 ...]; How can ...

mehr als 9 Jahre vor | 2 Antworten | 0

2

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Beantwortet
Receiving Matrix Dimensions Do Not Agree Error
Instead of Y use Y transpose as Y' in the last line of your code. X=inv(A)*Y' However if you use the following line inst...

mehr als 9 Jahre vor | 2

| akzeptiert

Beantwortet
How to delete a row from a Financial Time Series?
This works here, delete rows 2 from 4: A = [1 2 3; 4 5 6; 7 8 9; 2 4 6; 1 3 5]; A(2:4,:)=[] When using your code, do ...

mehr als 9 Jahre vor | 1

Gelöst


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

mehr als 9 Jahre vor

Beantwortet
About 3D surface plot
a = ...your 100 x 1 x 51 data; bb = squeeze(a); surf(bb)

mehr als 9 Jahre vor | 2

| akzeptiert

Beantwortet
Bump --> How to change tick label fonts in Matlab figure
Here is an example on how you could use set function to accomplish your job. Delete any pairs of input arguments if not required...

mehr als 9 Jahre vor | 1

| akzeptiert

Beantwortet
how to convert an image into bits???
It is not clear to me exactly what is your goal? Are you trying to convert image pixels into binary bits? If so, you can use dec...

mehr als 9 Jahre vor | 2

Beantwortet
Save cubic spline coefficients to use as response in regression
pp = spline(x,y); NewValue = [1 2]; % may be scaler or vector out = ppval(pp,NewValue)

mehr als 9 Jahre vor | 1

Beantwortet
Find a value with cell array.
A = your cell... out = A(cell2mat(A(:,1))==7,2)

mehr als 9 Jahre vor | 1

Beantwortet
how to calculate a serie of a function with two variables
% xi eta x =[1 2;... 3 4;... 4 5;... 6 7]; y = sum(x) % only sum of all elements alon...

mehr als 9 Jahre vor | 1

Beantwortet
How can I fill a matrix column with dta coming from another matrix according to index
A = [(1:9)' ones(9,1)]; B = [1 10; 2 10; 4 10; 7 10]; C = NaN(size(A,1),1); C(B(:,1)) = B(:,2); C = [A C]

fast 10 Jahre vor | 1

Beantwortet
how to find peaks in jpeg image
You can try with Mablab's findpeaks function, or see the attached code in file exchange: <http://www.mathworks.com/matlabcent...

fast 10 Jahre vor | 1

Beantwortet
I need to match following images
There are many sophisticated methods to do so. However, you can try with: out = ssim(TestImage,refImage) This computes t...

fast 10 Jahre vor | 1

| akzeptiert

Beantwortet
How to check two unbalanced matrix?
Another way may be: X=[1;2;3;4;5]; Y=[2]; Z = X(X==Y)

fast 10 Jahre vor | 1

Beantwortet
how to crop an image
I don't see any image attached. Anyway, you can try with: *roipoly* to select the image region and crop manually, or *imcrop...

fast 10 Jahre vor | 1

Beantwortet
how can i display a gray scale image instead of mapping 0,255 , between 0 , 127 ?
NewImage = 127*mat2gray(Image)

fast 10 Jahre vor | 1

Beantwortet
A simple fsolve problem from a MATLAB beginner
Define underwoodroot function separately, and call them from another m-file. In one m-file, write the following code, and sav...

fast 10 Jahre vor | 1

| akzeptiert

Beantwortet
How can convert a image from type of double(unit16) to a grayscale image?
ImageGray = mat2gray(ImageDouble);

fast 10 Jahre vor | 1

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