# Anand Ra

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**Content Feed**

Question

Generate synthetic images with controlled variation using the few sample images.

Hello, I have an image of a copper wire with defect. I am wondering if it possible to generate synthetic images using this samp...

19 days ago | 1 answer | 0

### 1

answerQuestion

Save 3d surface plot as u3d or .ply file

Hello, I am having trouble in saving my matlab interactive 3d plot as u3d or .ply file. I am unable to understand the file exch...

2 months ago | 0 answers | 0

### 0

answersQuestion

How to fix the Frame size error when creating a video.?

Hello Requesting help to fix the error encountered during the video creation. Trying to generate a video by varying one para...

7 months ago | 1 answer | 0

### 1

answerQuestion

Plot: How to reflect a curve and multiply by another curve to produce 3d plot.

Hello, I am looking to reflect a curve that I have generated (see below for reference) about y=50 ( a vertical line) Result...

7 months ago | 1 answer | 0

### 1

answerQuestion

How CT projection image and intensity plot are related?

Hello I am looking to interpret the CT projection image and I am lacking basics. From my X-ray system: I have one CT projec...

7 months ago | 0 answers | 0

### 0

answersQuestion

How to efficiently perform Fminsearch fitting

Hello I am looking to make the below code efficient. So that I can update when required. Right now its clunky and I findi it di...

7 months ago | 1 answer | 0

### 1

answerQuestion

Perform fminsearch to find the best value for the variable in a model

Hello I trying to fit data set into a model to predict the best value of a variable using fminsearch. I am getting a couple of...

7 months ago | 3 answers | 0

### 3

answersQuestion

How to do Fminsearch- Curve fitting

I am trying to perfrom Fminsearch to fit the image intensity decaying data points to the wave propogation model , to determine c...

7 months ago | 1 answer | 0

### 1

answerQuestion

Find image intensity and perform fitting - fminsearch

Hello, I am looking to: 1. Extract intensity along the length of the medium ( xray scan) ( Not sure how) 2. Plot the int...

7 months ago | 1 answer | 0

### 1

answerQuestion

How to save unint16 class as tiff image.

Hello I have 36 tiff images ( CT scans) : Imported them and store in a cell array :C I stacked row slices of each image to ...

7 months ago | 1 answer | 0

### 1

answerQuestion

Image stacking. Generate Sinogram and apply inverse radon transform

Hello I am trying to create sinogram by stacking of parallel images of CT scan projections and apply inverse radon transform to...

8 months ago | 0 answers | 0

### 0

answersQuestion

Direction field and slope field- quiver

Looking for some help to generate slope field for the below differential equation % dN/dt = (b − a ln(N))N [N,t]=meshgrid(0...

1 year ago | 1 answer | 0

### 1

answerQuestion

Minimization and Optimization. Minimize output by optimizing inputs

Hello Trying to minimize the output by finding the optimium input values. I am unable to construct the minimization part of the...

1 year ago | 1 answer | 0

### 1

answerQuestion

Optimization to minimize output

Hello, I am trying to optimize the lengths to minimize the power ( details in the code) I am unable to proceed with the opti...

1 year ago | 1 answer | 0

### 1

answerQuestion

Optimization: Optimize multiple input variables to minimize the output

Hello I am looking to optimize multiple input variables to minimize the output using fminsearch. Clearly, I am doing it ...

1 year ago | 1 answer | 0

### 1

answerQuestion

Curve fitting and convergence to estimate two coefficients

Hello Question Objective: I am looking to employ curve fiting and convergence to estimate two coefficients in my model equat...

1 year ago | 6 answers | 0

### 6

answersQuestion

Goodness of fit , residual plot for fminbnd fitting

I have the data fitting using fminbnd solver. I am wondering how to evaluate the goodness of the fit and obtain residual plots. ...

1 year ago | 1 answer | 0

### 1

answerQuestion

Extrapolation: How do I extrapolate a curve with minimum error.

I would like to extrapolate the following data set in the interval of 300 seconds, assuming it reaches equilibrium ( =1) after 3...

1 year ago | 2 answers | 0

### 2

answersQuestion

Unable to data fitting with Lsqnonlin and estimate the coefficient. Need help fitting the data.

I am unable to get a good fit. I have to keep guessing the initial assumption d0 to manually get the better fit. Can I please ge...

1 year ago | 1 answer | 0

### 1

answerQuestion

how to perform data fit like excel? and plot

I have observed array of data ( y_obs) and predicted data (y_pred) Predicted data is obtained from an equation How do I fit th...

1 year ago | 1 answer | 0

### 1

answerQuestion

Lsqnonlin to determine coefficient

I am looking to fit data to a complex equation using lsqnonlin solver. I am not sure where I am going wrong. I keep getting a re...

1 year ago | 0 answers | 0