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MByk


Last seen: 2 months ago
22 total contributions since 2017

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Question


How can I group data in order to build a table?
Hello, I want to group values according to the first column which repeats itself in every 5 records and displays the values side...

5 months ago | 1 answer | 0

1

answer

Question


How to save "optimoptions" to a file?
Is there a way to save "optimoptions" to a txt file? I tried the code below but it is not working. I also tried "dlmwrite" and "...

5 months ago | 1 answer | 0

1

answer

Question


Particle swarm optimization solving an equation system
I want to use particle swarm optimization to solve 4 complex valued nonlinear equations just to compare the results I got from o...

6 months ago | 2 answers | 0

2

answers

Question


Solving nonlinear equations using fmincon
Hello, I have 4 nonlinear equations with 4 unknows (x(1), x(2), x(3), x(4)). I can get solutions using "lsqnonlin" and "fsolve" ...

7 months ago | 1 answer | 0

1

answer

Question


Evaluation of Clustering Algorithms
I am trying to learn basics of clustering and clustering algorithms. Sorry if it is a dumb question. Is there a way to use K-Med...

8 months ago | 1 answer | 0

1

answer

Question


Plotting Matrix with Small and Large Values
I am trying to plot the matrix (machines (rows) vs. production times (in sec) (columns)) below. C1=[0.6018 0.6238 0.6001 0....

2 years ago | 1 answer | 0

1

answer

Question


Different Bayes Optimization Results
Sorry if it is a dumb question but is it normal to get different values despite using the same seed value? Or Am I making a mist...

2 years ago | 1 answer | 0

1

answer

Question


Accumulating Unique Set Values
I have 10 sets (each set includes 1s and 0s: 1 means element selected) and trying to find the unique sets and store its element ...

2 years ago | 1 answer | 0

1

answer

Question


Converting Cell Array into Array
I have 4 matrices with fixed columns but different rows (4 * n-by-3) created inside a for loop. I am storing them in a cell arra...

2 years ago | 2 answers | 0

2

answers

Question


Converting Logical Indices into Real Values
I am trying to seperate observations of each class (I have 2 classes) but somethings wrong with the answers. I dont have a class...

2 years ago | 1 answer | 0

1

answer

Question


Adding Legend to Perfcurve
I am plotting "perfcurve" but class 2 is shown as a green circle in the legend. How can fix it? Thanks for the help. <</matla...

2 years ago | 1 answer | 0

1

answer

Question


Saving Classification Learner Results
Is there a way to save (export) the classification learner results (history and current model window values) in txt (or word or ...

2 years ago | 0 answers | 0

0

answers

Question


Grouping Figures with Subplots
I have 3 figures which has 5 subplots and a uitable. I want to group them together. I use the following code but in the first ru...

2 years ago | 1 answer | 0

1

answer

Question


Bayesian Optimization <undefined> and NaN Results
Sorry, if it's a silly question. I am using Bayesian Optimization to optimize classifier hyperparameters but sometimes I having ...

2 years ago | 1 answer | 0

1

answer

Question


Adding an Extra Input Parameter to the Function
How can I add an extra input parameter to the function below? I want to add switch-case inside the function. [features,hist...

3 years ago | 2 answers | 0

2

answers

Question


Bayesian Optimization Results Evaluation
I am trying to learn and understand Bayesian Optimization. My code is working like in the documentation page but what is the dif...

3 years ago | 1 answer | 0

1

answer

Question


Parameter Optimization using Simulated Annealing
I am new to optimization and trying to understand the basics, so sorry if it is a dumb question. Is it possible to tune paramete...

3 years ago | 1 answer | 0

1

answer

Question


Find the threshold point in a matrix
I have a 178x13 double matrix. In each column there is a point where each data value starts to stay same. I want to find them (r...

3 years ago | 1 answer | 0

1

answer

Question


Diagonal Elements of the Square Matrix
I am calculating Sorensen-Dice coefficient (2|A and B|/|A|+|B|) but diagonal elements (intersection with itself) of the square m...

3 years ago | 2 answers | 0

2

answers

Question


How Jackknife sampling works?
I am trying to understand sampling techniques but I am stuck on jacknife. Can somebody explain how jacknife sampling works? How ...

3 years ago | 1 answer | 1

1

answer

Question


Intersection of matrix rows up to a given column
How can I find the number of intersecting elements of a matrix up to a user defined column? For example, intersection of first...

3 years ago | 1 answer | 0

1

answer

Question


User defined distance function
I'am trying to calculate Canberra distance (formula of the Canberra distance sum(|a-b|/|a|+|b|)) by defining a custom distance f...

3 years ago | 1 answer | 0

1

answer