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Yaser Khojah


Last seen: 20 dagar ago
76 total contributions since 2018

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Question


Compare two matrices and select max one based on the a column
I have two matrixes and I want to compare the last column. Then select the max one and the whole corresponding row. For exampl...

20 dagar ago | 2 answers | 0

2

answers

Question


Summing the row of a matrix that meet a condition from another matrix
I need help please and thanks for looking into this I have two Matrixes with the same size as A and B. As the following A =...

25 dagar ago | 1 answer | 0

1

answer

Question


How to change Y-axis in subplots of Boxplot on the same figure
I need help with creating 4 boxplots in one figure where in each subplot I would like to assign the ylim. In this example, the y...

ungefär en månad ago | 1 answer | 0

1

answer

Question


Split the data into group then graph them
I have a big matrix as [ENPV, SD, R]; I would like to split R into 3 groups based on criteria as Group 1 when R is betwe...

ungefär 2 månader ago | 1 answer | 0

1

answer

Question


How to update json file with MATLAB?
I have json file that is read by MATLAB script. I’m looking for a way to update the file since there are many to update. I know ...

ungefär 2 månader ago | 1 answer | 0

1

answer

Question


Find that max and its index for data with multiple data values per index
Hello, I looked around and found similar questions that have been answered (here 1 and here 2) but not sure how to find the...

2 månader ago | 1 answer | 0

1

answer

Question


Greetings, Anyway to help to create ridgeline by MATLAB
Greetings, Anyway to help to create ridgeline by MATLAB as the attache link please? https://www.data-to-viz.com/graph/ridgeli...

4 månader ago | 2 answers | 0

2

answers

Question


Adding additional information and drawing to explain the axis better
I have a script that creates a plot, but I would like to explain the axis in a better way. I have tried by adding additional inf...

5 månader ago | 0 answers | 0

0

answers

Question


change the number of bins in corrplot function?
Hello, Is there anyway to change the number of bins in corrplot function? I would like to use 10 bins instead let MATLAB choos...

5 månader ago | 1 answer | 0

1

answer

Question


'String scalar or character vector must have valid interpreter syntax:' for Sigma
Hello, I have this code, and I'm trying to type the sigma symbol, but it is not working. It works for different figures but no...

6 månader ago | 1 answer | 0

1

answer

Answered
How to change the color of individual bars in a bar chart?
how would you show the legend color here?

6 månader ago | 0

Question


How to change Variable names of corrplot
I'm trying to change the variables names of a corrplot from the default one, but It is not working. Can you please help Varia...

6 månader ago | 1 answer | 0

1

answer

Question


Plotting multiple ecdf in one plot with specific line color and width
I'm plotting ecdf for a matrix where I want to chose the line color and type per column. I have this code but not sure how to ch...

7 månader ago | 1 answer | 0

1

answer

Question


calling a matrix with different names in a for loop
I have three matrixes with different names as NPV_1, NPV2 and NPV_3. I have tried the below but It did not work. Can you please ...

7 månader ago | 1 answer | 0

1

answer

Question


How to create multiple cdfplot in one graph?
I have tried to create a multiple cdfplot in one graph as below but I need an efficient way since I'm using this in a big matrix...

7 månader ago | 1 answer | 0

1

answer

Question


Returning an additional value that is not part of the fitness function or objective for all population evaluation in GA
Can anyone please help by showing the code how can I return an additional value (Sigma) that is not part of my fitness function ...

8 månader ago | 1 answer | 1

1

answer

Question


Collecting a value (Sigma ) over all of the objective function evaluations while using GA optimizer
I want to collect all the values of (Sigma ) over all of the objective function evaluations. I'm not really sure how to do this ...

10 månader ago | 0 answers | 0

0

answers

Question


How to return an additional parameter that is not part of the population nor the objective in ga MATLAB?
I'm looking for a way to retun an additional variable (risk) with my objective (ecnomic_value) paramter for each population (wei...

10 månader ago | 0 answers | 0

0

answers

Question


How to return an additional variable that is not part of the objective for each population while using GA optimizer?
I have a function that I'm optimizing by GA. In addition, I would like to show all the population (by using an output function)...

10 månader ago | 1 answer | 0

1

answer

Question


Number of Population and Generation in GA?
I have a function where I'm trying to optimize. So, Im using GA and I have run the optimizer on the defult case. Is there anyway...

11 månader ago | 1 answer | 0

1

answer

Question


Scatter plot with a color variation based on a third vector
I have three variables (Return, Risk, Supply) where I would like to present them on a scatter plot as the attached. I would like...

11 månader ago | 1 answer | 1

1

answer

Question


How to find the final formula or equation that is produced by regression learner.
I have created a trainedModel for my data by using Train Regression Models in Regression Learner App. After I exported my model ...

11 månader ago | 0 answers | 0

0

answers

Question


gamultiobj optimizer is not working and I get the following error massage "Reference to non-existent field 'Best'"
I have a function that its single objective was optimized by using ga optimizer in MATLAB. Everything is working. Now, I would l...

11 månader ago | 0 answers | 0

0

answers

Question


How to change the boxplot color manually
I have a boxplot figure that was saved in my folder but I'm not really sure where the data is. Is there away to change the color...

11 månader ago | 0 answers | 0

0

answers

Question


Does PCA funciton normalize the data while it generates the biplot?
Dear all, I have 16 variables and I would like to use PCA to understand how they are correlated among each other’s. The first 8...

11 månader ago | 0 answers | 0

0

answers

Question


My gamultiobj is not working but it works for the ga?
I have a function that its single objective was optimized by using ga optimizer in MATLAB. Everything is working. Now, I would l...

11 månader ago | 0 answers | 0

0

answers

Question


Find the max value and index of each interval in a big matrix
I'm looking for a way to split my data into group then find the maximum and index of each group. So, I have this code which give...

11 månader ago | 1 answer | 0

1

answer

Question


How to find the index of splitapply
I have this code where I split the data into intervals and I look to find the maximum value for each interval as below. I need t...

11 månader ago | 1 answer | 0

1

answer

Question


Find the highest value of y for each x value
Can anyone please help me with this quesiton. I have a big matrix where I’m only interested to plot the highest value of y for ...

11 månader ago | 1 answer | 0

1

answer

Question


How to plot A Curve That Connects The Highest Values in Y-Axis
Can anyone please help me to create the curve as below. I'm looking for away to plot the highest point at y-axix for all x-axis....

12 månader ago | 1 answer | 0

1

answer

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