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Shoaibur Rahman


Baylor College of Medicine

自 2014 起处于活动状态

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

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提问


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])...

6 years 前 | 0 个回答 | 0

0

个回答

提问


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...

6 years 前 | 0 个回答 | 0

0

个回答

已提交


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

9 years 前 | 2 次下载 |

已提交


Customize plot graphics
Set custom graphics to plot

9 years 前 | 1 次下载 |

已提交


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

9 years 前 | 1 次下载 |

已提交


Calculate R-squared value
Calculation of r-squred value

9 years 前 | 2 次下载 |

已提交


Vertical line on a figure
Vertical Line in Matlab

9 years 前 | 1 次下载 |

已提交


Horizontal line on a figure
Horizontal Line in Matlab

9 years 前 | 2 次下载 |

已提交


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

9 years 前 | 2 次下载 |

已提交


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

9 years 前 | 1 次下载 |

已提交


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

9 years 前 | 1 次下载 |

提问


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...

9 years 前 | 1 个回答 | 0

1

个回答

提问


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 ...

9 years 前 | 2 个回答 | 0

2

个回答

已回答
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...

9 years 前 | 2

| 已接受

已回答
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 ...

9 years 前 | 1

已解决


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

9 years 前

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

9 years 前 | 2

| 已接受

已回答
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...

9 years 前 | 1

| 已接受

已回答
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...

9 years 前 | 2

已回答
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)

9 years 前 | 1

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

9 years 前 | 1

已回答
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...

9 years 前 | 1

已回答
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]

10 years 前 | 1

已回答
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...

10 years 前 | 1

已回答
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...

10 years 前 | 1

| 已接受

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

10 years 前 | 1

已回答
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...

10 years 前 | 1

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

10 years 前 | 1

已回答
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...

10 years 前 | 1

| 已接受

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

10 years 前 | 1

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