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Mohanned Al Gharawi


Last seen: 28 days ago Active since 2017

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Question


plot a smooth curve
Hello everyone, I plotted a curve with a set of data by using a spline technique, but the problem is the start and the end of t...

1 year ago | 2 answers | 0

2

answers

Question


how to plot a fit or a spline or a smooth curve on a set of data
Hello everybody; I would like to plot a 2D curve, but what I need is a smooth curve on a set of data. The smooth curve may be a...

1 year ago | 0 answers | 0

0

answers

Question


plotting a sine or cosine wave with specific time with specific cycles
Hello, hope you're doing well. I want to plot the attache sine graph with 50 cycles and 33 sec. I have tried several codes but ...

2 years ago | 1 answer | 0

1

answer

Question


Find the frequency for signals by using FFT
Hello every body, Thank in advance. I have several signals. They have been created by using a collections of images for one wee...

3 years ago | 1 answer | 0

1

answer

Question


rename photos in a specific folder
Hello everybody, I have a set of photos in a specific folder. Let say they start from Image00000_IR1 to Image00100_IR1. What I ...

3 years ago | 1 answer | 0

1

answer

Question


read and rename a group of photos
Hello every body, I have two sets of groups of photos with around 1000 pictures for each set. Anyhow, both of them have the sam...

3 years ago | 2 answers | 0

2

answers

Answered
how can I fit nonlinear regression equations with a set of data
Thank you so much I appreciate your help.

4 years ago | 0

Answered
how can I fit nonlinear regression equations with a set of data
@ Star Strider Sorry for that, I just updated the data set. Thanks

4 years ago | 0

Question


how can I fit nonlinear regression equations with a set of data
Hello everybody I’m trying to find a nonlinear relationship between two input variables and one dependent variable (output). I ...

4 years ago | 3 answers | 0

3

answers

Answered
inserting vectors into another new vector
thank you it works also.

4 years ago | 0

Answered
inserting vectors into another new vector
@JESUS DAVID ARIZA ROYETH thank you it works with several cases.

4 years ago | 0

Question


inserting vectors into another new vector
Hello everybod, Let’s say I have two vectors, A=[7 17 27] and B=[13 22], and later produce a new vector C as shown in the below...

4 years ago | 4 answers | 0

4

answers

Question


principal component analysis pca
Hello everybody I have infrared images (144) for one day for a specific specimen. Anyhow, I transferred these images into 3D ma...

4 years ago | 0 answers | 0

0

answers

Question


building a phase or an amplitude
Hello everybody, I'm trying to build a phase and/or an amplitude from a group of images (which were taken every 1-hr for only o...

4 years ago | 0 answers | 0

0

answers

Answered
Surf plot using meshgrid
Thank you so much, it worked.

4 years ago | 0

Question


Surf plot using meshgrid
Hello everybody, I have a set of snr values for defects in a concrete specimen for different depths as attached in excel sheet....

4 years ago | 2 answers | 0

2

answers

Question


plotting curves through max and min
Hello everybody I have a signal and I want to find the max and values for this signal and then draw curves which pass through t...

5 years ago | 0 answers | 0

0

answers

Question


plot a curve throughout max and min values
Hello everybody, I have a signal as shown below, I need to plot two curves, one passes the max values of the signal and the oth...

5 years ago | 1 answer | 0

1

answer

Question


count cycles in a signal
Hello everybody; I would like to count the number of cycles for a specific signal as shown in the below figure. Thanks in adva...

5 years ago | 1 answer | 2

1

answer

Answered
writing title on images
Thanks for your respond, The problem is still. The title is only written at the end of the loop. I mean the last image has onl...

5 years ago | 0

Question


writing title on images
Hello everybody, I have 100 images, what my code does is reading the image and shows them, but I need to write a title on each ...

5 years ago | 4 answers | 0

4

answers

Question


write in multiple rows in excel
Hello everyone, I have a loop (n=30), each loop gives me different results. I want to write the result of the first loop at the...

5 years ago | 1 answer | 0

1

answer

Question


max and min in one cycle
Hi everyone I have a signal, I need to find max and min values for each cycle in this signal. Let's say we have the signal...

6 years ago | 2 answers | 0

2

answers

Question


reading pixels from an image
I saved several images with extension fig, I need to read pixels in them, how can I do that?

6 years ago | 1 answer | 0

1

answer

Question


phase and/or amplitude vs frequency
Hi everybody I have around 4000 IR images for a concrete specimen for one month. The time between each image is 10 minutes. The...

6 years ago | 0 answers | 0

0

answers

Question


Amplitude or phase versus frequency
Hi everybody, I have images which were taken for around one month each ten minutes.My supervisor asked me to plot amplitude or t...

6 years ago | 1 answer | 0

1

answer

Question


Delete the center in an array?
Hi everybody, I have an array, let's say 6x6, how to delete the center of this array. I mean I want to delete 3x3 center of t...

6 years ago | 1 answer | 0

1

answer