# Hassan Ashraf

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**Content Feed**

Question

How draw randomly symmetrical and/or asymmetrical shapes or objects in MATLAB?

I want to draw randomly symmetrical and/or asymmetrical shapes or objects in MATLAB just like these below examples. Can anybody...

1 year ago | 0 answers | 0

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answersQuestion

How to add legend in a 3D scatter plot?

I have following piece of code. I am using tsne visualization to plot 3D scatter plot. But I am unable to find a way to add lege...

2 years ago | 1 answer | 0

### 1

answerQuestion

How to detect and track Red Blood Cells in a video?

Hi I am new at video processing and do not know how to detect and track objects in a video. I have video clip in which red blood...

2 years ago | 0 answers | 0

### 0

answersQuestion

Error in plotting decision boundaries using Linear Discriminant Analysis (LDA)?

Hi ! I am trying to plot decision boundaries of a 3 class classification problem using LDA. MATLAB already has solved and post...

2 years ago | 0 answers | 0

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answersQuestion

How to extract confusion-matrix from confusion-chart?

I am using Neural Networks Toolbox. It allows me to plot confusion Chart by using "plotconfusion" command. But it does not allo...

3 years ago | 1 answer | 0

### 1

answerQuestion

how to plot confusion matrix from confusion matrix?

I have a confusion matrix, in numbers. I want to plot the percentage classification accuracies. I found some code from fileExchn...

3 years ago | 0 answers | 0

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answersQuestion

How to add Error Bars in fit curve line graph?

Hey! I want to put Error Bars in my line graph, I am using " fit " function on my data to smooth curves. And it is working fine...

3 years ago | 0 answers | 0

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answersQuestion

How to change Marker Color in line graph?

I am trying to change marker color of line graphs but unable to do it. Can anybody help to figure it out? load('MCA_Disjoint.ma...

3 years ago | 1 answer | 0

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answerQuestion

How to merge multiple cells within a table?

I have created a table in Excel sheets, but now I wanto to create similar table in MATLAB. Can you please help me to guide how t...

3 years ago | 0 answers | 0

### 0

answersQuestion

Error in plot function

Hi I am plotting some results but getting an error in Plot Function. I am using MATLAB 2018b, below is my code load MCAsLDA ...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to conduct statistical tests on large data?

Hi Everyone! I have two result-files from some experiments. Results have generated by using technique A and B. Each technique h...

3 years ago | 0 answers | 0

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answersQuestion

Getting Error, "kernel function is not a valid parameter name".

I am trying to train a SVM Classifier but getting qn error in this line. svmStruct = fitcsvm(trSets,trGroup, 'HyperparameterOp...

3 years ago | 1 answer | 0

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answerQuestion

how to stack 2 dimensional arrays into 3 dimensional aarays?

I have Nine(9) , 2-D arrays of size 3200x8. I want to stack them into a 3D array so that I could have a final aaray of size 320...

3 years ago | 2 answers | 0

### 2

answersQuestion

Error using classify!

I am trying to classify training and testing data using "classify" command but unluckily i'm getting an error. Error using clas...

3 years ago | 0 answers | 0

### 0

answersQuestion

How to code below mathematical formula?

I want to implement a below mathematical function in MATLAB, can anyone help me out?

3 years ago | 2 answers | 0

### 2

answersQuestion

Getting error using Linear Discriminant Analysis(LDA) in MATLAB.

I am trying to classify training and testing data using LDA classify in MATLAB R2018b and getting error. Error : Error using ...

3 years ago | 0 answers | 0

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answersQuestion

Error using "Save" Command.

I am trying to save some files iteratively in a loop anf getting below error. Can someone please help me out? Error: Error us...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to store results(Objects found in an image) of semantic segmentation separately ?

I have used U-NET semantic segmentation to segment an image. By using this MATWORKS example Help me to store each individual o...

3 years ago | 0 answers | 0

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answersQuestion

How to use U-NET Image Segmentation on Kaggle Nuclei detection Data Set?

I am trying to implement U-NET Image Segmentation on Kaggle Nuclei Detection Dataset in MATLAB. In MATLAB, U-NET can be implem...

3 years ago | 0 answers | 0

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answersQuestion

Saving .png images in directory

Greetings Everyone! I am encountering a problem while saving .png files in a loop. I have multiple .png images with 256x256 uni...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to read .png image from a folder iteratively?

I have a folder with multiple images. The format of all images is .png. When I try to read all those images in a cell array I am...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to add cell array elements iteratively?

I have a cell array of 36 elements and each element is a image of 25x256 unit8 dimension. I want to add all these elements itera...

3 years ago | 1 answer | 0

### 1

answerQuestion

Input for U-NET segmentation

I am trying to implement U-NET segmentation on Kaggle 2018 Nuclei segmentation data. The training data set contains images with ...

3 years ago | 2 answers | 0

### 2

answersQuestion

Error using trainNetwork. Unable to read file.

I am trying to implement CNN on signal's Data. I have a database in which I have 10 folders(Each folder has 12 subfolders). Each...

3 years ago | 2 answers | 0

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answersQuestion

What would be the input data matrix and target data matrix in MATLAB Neural Network Pattern Recognition toolbox?

I am new to Neural Networks and have no prior experience of AI,ML or deep learning. Please help me out. I have data sets of ...

3 years ago | 0 answers | 0

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answersQuestion

Getting error message, "Subscript indices must either be real positive integers or logicals."

I am trying to run this code. R=100e6; t=0:2:150; h=2; E=-60; C=0.1e-9; Iinj=repmat(10e-9,1,75); Iinj(1,1)=0; V= zeros(1...

3 years ago | 1 answer | 0

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answerQuestion

How to Plot Multivariate Differential Equation in MATLAB?

I want to plot below equation in MATLAB. V=(I)(R) - (R)(C)(dv/dt) Where, I= Current= 50nA R=Resistance= 200 Mega Ohm C=Ca...

3 years ago | 1 answer | 0