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**Content Feed**

Question

Convert categorical to string

I have two categorical column vectors of size 872-by-1. I want to calculate the Levenshtein distance between these two. When I a...

23 days ago | 0 answers | 0

### 0

answersQuestion

concatenating elements of cell

I have a data in 300-by-1 cells and each cell contains 500-by-1 single value. How can I make it 1) two 150-by-500 matrix contain...

25 days ago | 1 answer | 0

### 1

answerQuestion

Invalid training data. Sequence responses must have the same sequence length as the corresponding predictors.

numFeatures = 1024; numClasses = 249; layers1 = [ ... sequenceInputLayer(numFeatures,'Name','sequence') fullyConnect...

27 days ago | 1 answer | 0

### 1

answerQuestion

Large gap between training and validation accuracy

I am working on gesture video classification. I have gone through the MATLAB tutorial https://in.mathworks.com/help/deeplearning...

2 months ago | 0 answers | 0

### 0

answersQuestion

Invalid validation data. For a recurrent layer with output mode 'last', responses must be a categorical column vector.

I am trying to train LSTM network following the example given in mathworks entitled "Classify Videos Using Deep Learning". But ...

2 months ago | 1 answer | 0

### 1

answerQuestion

Change the dimesion of concatenation of RGB images

I am concatenating 95 RGB images of size 240-by-320 and as output I am getting a 4-D image of dimension 240-by-320-by-3-by-95. ...

2 months ago | 1 answer | 0

### 1

answerQuestion

find intersection points of a line and a curve.

I am attaching here the plot. I want to get the intersection points of the horizontal red line with the curve. Also, I want to d...

8 months ago | 1 answer | 0

### 1

answerQuestion

Query regarding finding the index which will give 90% of the total area under the curve

I have a curve obtained using curve fitting toolbox. I calculated the area of this curve using both 'trapz' and 'polyarea' fu...

11 months ago | 2 answers | 0

### 2

answersString manipulation with printing of characters

I think the following code should work t=input('Enter a word: ', 's'); disp(t(1));

11 months ago | 0

Question

writing multiple video files in a folder

I have some videos suppose 10 in number like 1.avi, 2.avi,...,9.avi,10.avi. I am reading those videos, then extracting their fra...

12 months ago | 1 answer | 0

### 1

answerQuestion

Query related to inflated3D supporting function in activity recognition from video and optical flow data using deep learning

I was going through an example given in the following link. There I found a supporting function "Inflated3D" under the sub-secti...

12 months ago | 1 answer | 0

### 1

answerQuestion

How to make number of frames equal of several videos having different length and having different number of frames?

I have several videos of different lengths. Correspondilgy, every video has got different number of frames. I want to make every...

1 year ago | 1 answer | 0

### 1

answerapp design - make exe file

I think the follwoing link will help: https://www.mathworks.com/videos/getting-started-standalone-applications-using-matlab-com...

1 year ago | 1

| accepted

Question

problem in saving/writing 3D images.

I had 30 2D images. I concatenated it and made it a 3D image. The 2D and 3D images were of uint8 datatype. I wanted to save or t...

1 year ago | 1 answer | 0

### 1

answerQuestion

Query regarding using image3Dinputlayer

I am designing a 3D CNN. I have 3D images whose first two dimenisons are height and width. The third dimesion is number of image...

1 year ago | 1 answer | 0

### 1

answerQuestion

Problem in imwrite command

I am stuck in a piece of code. Sometimes it works absolutely fine and sometimes the same code shows error. Let me explain the en...

1 year ago | 1 answer | 0

### 1

answerQuestion

Calling videos from a folder in every iteration

clc; clear all; close all; number=45; strng=num2str(number); Folder = 'D:\project\Fingerspelling pics\'; for k=1:length(st...

2 years ago | 1 answer | 0

### 1

answerQuestion

Callback functions for displaying videos

I am making a GUI in Matlab using AppDesigner. It displays a video after pressing the push button. This video is already stored ...

2 years ago | 1 answer | 0

### 1

answerQuestion

Removing blurred part in intermediate images in morphing of images.

I am working on image morphing of two hand gestures. I also got intermediate images. I am attaching here 1)Source Image 2) Targe...

2 years ago | 1 answer | 0

### 1

answerAppDesigner questions: 1) Image path 2) numerical value output

For your 1st query: Select image from the component library (on the left side of App Designer) and then in the component browse...

2 years ago | 0

Question

extract key frames from video

I am writing a code having following steps to extract key frames: 1) Read frames from video (let us suppose we have 700 frames)...

2 years ago | 0 answers | 0

### 0

answersQuestion

draw human hand using geometrical figures?

I want to draw a human hand model using matlab. Can I draw it using geometrical figures like rectangle, cylinder, circle or some...

2 years ago | 1 answer | 0

### 1

answerQuestion

hand gesture synthesis/animation using inverse kinematics

I want to perform hand gesture synthesis or hand gesture animation using inverse kinematics or robotics toolbox. Can anyone sugg...

2 years ago | 0 answers | 0

### 0

answersSolved

Fibonacci sequence

Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

3 years ago

Solved

Create times-tables

At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

3 years ago

Question

Fibonacci Series in cody Challenge

I am solving Fibonacci series in Cody challenge. I have written the following code and it is running well in MATLAB editor. here...

3 years ago | 0 answers | 0

### 0

answersSolved

Determine whether a vector is monotonically increasing

Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

3 years ago

Question

Problem 10 of MATLAB cody challenge

I was trying to solve this question in cody challenge: Problem 10. Determine whether a vector is monotonically increasing. I tri...

3 years ago | 3 answers | 0

### 3

answersSolved

Swap the first and last columns

Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

3 years ago

Solved

Make a checkerboard matrix

Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

3 years ago