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Yasmin Tamimi

Last seen: 1 year ago Active since 2011

Professional Interests: optimization problems

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Question

Expected Softmax Classifier Output in CNN
Hi All, What is the expected softmax classifier output during training the convolution neural network architecture under a su...

3 years ago | 0 answers | 0

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Matalab Functions and mex files
Hi All, How can a matlab function file which does not contain any code be executed in matlab. I read at the author page of th...

3 years ago | 1 answer | 0

1

Question

Convolutional neural networks filter training
Hi Everyone, I have two major points that I'm trying to understand in CNN. The first one: Assume that we have 500 testing ima...

4 years ago | 0 answers | 0

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Concatenate a variable number of matrices
Hi All, How can I concatenate a variable number of matrices that is decided by the user's input? Thanks..

4 years ago | 1 answer | 0

1

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The scale in imshow function
Dear All, When we write imshow(a,[]) the [] scales the whole image by how much. I tried to divide by 255 but it didn't give t...

5 years ago | 1 answer | 0

1

Question

How to encode a compressed image
Hey All, After using dwt2 to transform the image, then comes thresholding, quantization and finally encoding..The dwt2 will (...

5 years ago | 0 answers | 0

0

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jpeg Image Compression Implementation
Hey All, How is image compression done in real digital devices, laptops, cameras and mobile phones? Is it hardware or softwar...

5 years ago | 1 answer | 0

1

Question

DWT image compression using linear algebra
Hi All, I'm performing a DWT image compression on the cameraman image according to the following equation: Compressed image ...

5 years ago | 0 answers | 0

0

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Send Square Voltage Pulses to Elvis Board through daq toolbox
Hi Everyone, I want to send a square pulse with dynamic duration [in the first run it is 0.5 seconds and then I want to chang...

5 years ago | 0 answers | 0

0

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Sum the elements in cell array with different element length
Hi everyone, I need to calculate the sum of elements in a cell array per column. I'm assuming that the cell is 4x4 and each e...

6 years ago | 1 answer | 0

1

Question

What does the output of imread represent?
Hey Everyone, I want to read an image for further processing. So when I write for example (I = imread('rice.png');), the outp...

6 years ago | 2 answers | 0

2

Question

Compound Poisson Distribution Model
Hey Everyone, I have the probability density function of a Negative-binomial Distribution (Compound Poisson Distribution) and...

7 years ago | 1 answer | 0

1

Question

fprrintf MATLAB R2013a not working
Hey everyone, I'm sending my values to a txt file in MATLAB R2013a but the txt file remains empty and all the printing is don...

7 years ago | 1 answer | 0

1

Question

Events inter-arrival time using exprnd
Hey everyone, I'm modeling the inter-arrival time between events to be exponentially distributed. But I'm not sure how it rea...

7 years ago | 1 answer | 0

1

Question

Vector convergence in cartesian coordinates
Hey everyone, How can I help my vector in cartesian coordinates converge to its resting point. The vector flips from +x-axis ...

7 years ago | 1 answer | 0

1

Question

Why do I get NAN?
Hey everyone, I'm running this equation hMphi(1) = - (dd_Anis(1) * ddu_acos(1) * du_dMphi(1))/(C2*sin(Mtheta(1)))- ((Is...

8 years ago | 3 answers | 0

3

Question

interpolation function returns NANs
Hey everyone, I'm using interpolation function to create the following "I": pulse_height = 500E-6; pulse_l...

8 years ago | 1 answer | 0

1

Question

int function causes errors
Dear All, I'm not able to integrate the equations although I'm using symbols. The following is the code that resembles the LL...

8 years ago | 1 answer | 0

1

Question

While loop doesn't continue looping!
Hey everyone, In my code for estimating the root using bisection method, while loop only outputs one iteration! yy is user ...

9 years ago | 1 answer | 0

1

Question

if statement not working
Hey all, I am comparing data I have with a larger one in excel, but the results I am getting are not what I am looking for al...

9 years ago | 1 answer | 0

1

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What can I use for equality test between input arguments of type cell?
Hey all, I have to check whether the data I have exists in an excel file or nor and if so I shall copy that row to a new exce...

9 years ago | 1 answer | 0

1

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Why I am getting nans when calculating the PSD for a sequence of numbers?!!
Hey all, I have a sequence of data saved in a column vector. I know that Fs = 400 Hz for the data when it was collected in ti...

9 years ago | 1 answer | 0

1

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How to load txt file with a known number of rows with different lengths of columns??
Hey all, I tried loading my txt file that has different number of columns usnig different commands and down i will state each...

9 years ago | 1 answer | 0

1

Question

Which lyapunov equation to use for my model?
Hey all, I have a dynamical system and modeled it using System Identification Toolbox and ended up with this format: State...

9 years ago | 0 answers | 0

0

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How to show the power spectral density of a time-domain arx model in System Identification Toolbox?
Hey all, After constructing my time domain arx model in System Identification Toolbox, I want to transform the predicted data...

9 years ago | 1 answer | 0

1

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How to get the coefficients from a nlarx model constructed using System Identification Toolbox?
Hey all, I am using System Identification Toolbox for constructing a non linear regression model. This is what I've done: ...

9 years ago | 1 answer | 0

1

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How to control a variable number of sheets in excel files?
Hey all, I have like 10 excel files in a folder, but the number of sheets in each file is not the same. I want to read the .x...

9 years ago | 2 answers | 0

2

Question

Using plot command in a loop
Hey All, I tried to change the input argument for plot command but it didn't work as I discovered that plot doesn't accept it...

9 years ago | 3 answers | 0

3

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Help using perfcurve function!!
Hey everyone, I have three groups of people normal ones, one with disease in its early stages and last one people with diseas...

9 years ago | 2 answers | 0