# Med Aymane Ahajjam

### International University of Rabat

Last seen: 3 months ago Active since 2015

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I am holding an engineering diploma in mechatronics from the national school of applied sciences of Tetouan (ENSA) class 2016. Currently, I am a PhD. student at the International University of Rabat. I am developing a system for short-term solar irradiance forecasting and ultimately PV power output forecasting relying on data driven approaches and machine learning algorithms.

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

3 years ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

3 years ago

Question

How to compute the height of a peak relative to the previous amplitude before the peak?
Dear all, I am trying to compute the height of a peak detected using findpeaks function. The peak height should be computed rel...

4 years ago | 1 answer | 0

### 1

Can I avoid matlab to allocate too much memory?
Personnaly, when using app designer, i do not use variables to hold big chunks of data, instead I put the functions that would r...

5 years ago | 0

I installed MATLAB2019a but it is not opening?
Try opening it from its installation directory : for example it could be: C:\Program Files\Polyspace\R2019a\bin then matlab.exe ...

5 years ago | 1

Output argument "XXX" (and maybe others) not assigned during call to "function".
Had the same problem several times honestly. The reason is always an input not being appropriate for the logic in the function. ...

5 years ago | 1

Set specific date ticks
In order for the TickLabelFormat to work, at least in my case, I had to specify: ax.XTickLabelMode = 'manual'; ax.XAxis.TickLa...

5 years ago | 0

Question

convolutional neural network for regression
I have a [17000 obs,72 statistical features] dataset of sky images, and I want to train a CNN for regression problem (sky image ...

7 years ago | 0 answers | 0

### 0

Question

which output transfer function to use for 1 class classification
I have modeled an *ANN classifier* that takes as *input a sky image* (extract 72 statistical features of RGB channels) and *outp...

7 years ago | 0 answers | 0

### 0

Question

How to implement feature selection on a fitting ANN?
I want to use feature selection on my neural network model. The _sequentialfs_ function seems to be the perfect tool to do so, b...

7 years ago | 1 answer | 1

### 1

Question

getting very high MSE and an R almost equal to 1!!
I am trying to model PV output power based on 6 parameters (components of solar irradiance, ambient temperature, wind speed, win...

7 years ago | 1 answer | 0

### 1

Question

How to convert a string to a variable useable in a script?
Hello, So The idea is to construct a string of the name of a variable (network class) that already exists in the workspace, and...

8 years ago | 1 answer | 0

### 1

Question

Error when trying to open existing simulink model

8 years ago | 0 answers | 0

### 0

How to set values of specific data columns in a uitable
yeah okay, it seems better to use 2 tables other than 1.. Thanks :)

9 years ago | 0

How to set values of specific data columns in a uitable
i see so i can't manipulate one columns at a time.. Thanks :)

9 years ago | 0

Question

How to set values of specific data columns in a uitable
Hello, I have a gui table of 2 columns and 6 rows. how can I set to desired values, any specific column of my gui table? i ...

9 years ago | 4 answers | 0

### 4

how to access a simulink's block ouput values ?
Thanks Sebastian, i tried that but it doesn't work, because the blocks only computes not really a simulation like the example (p...

9 years ago | 0

Question

how to access a simulink's block ouput values ?

9 years ago | 2 answers | 0

### 2

Input has is 6*1 matrix but simulink displays only 5*1
Okay, i see.. thanks for your reply , i'll do that :)

9 years ago | 0

Question

Input has is 6*1 matrix but simulink displays only 5*1
Hi, I wanted to display a 6*1 matrix but i only get it's last 5 elements (i.e. the first element doesn't appaear..) Here's th...

9 years ago | 2 answers | 0

### 2

How to make a value limit condition to a edit text and slider in GUI?
Appreciate your detailed answer Image Analyst :D I got it (and I read the FAQ ) and it works like charm! (y)

9 years ago | 0

Question

How to make a value limit condition to a edit text and slider in GUI?
I made a GUI that contains 1 slider (min=-180,max=180) and 1 edit text my goal is to have the user type the angle wanted in the...

9 years ago | 2 answers | 0