# Shubham

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Question

Non linear fitting with 3 independent variables

I have a dataset consisting of one dependent variable (K) and 3 independent variables (a, IL, Vf). I am trying to fit a function...

1 month ago | 2 answers | 0

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answersQuestion

Ellipsoid Mask based on user input of dimension and euler angle

Actually I am trying to generate a 3d ellipsoid mask based on the user input of semi axes and euler angles. But in my code to do...

1 month ago | 1 answer | 0

### 1

answerQuestion

Binary Image from 2D plot

I have wrote a code to generate an irregular shape. Now i want to convert this into a binary image in which all the points lying...

6 months ago | 1 answer | 0

### 1

answerQuestion

Visualisation of non overlapping code

Following is a code which is based on a vector based approch and is used to check overlap between two ellipses. I am not able to...

1 year ago | 1 answer | 0

### 1

answerQuestion

Image to mesh conversion

Can I convert a image to finite element mesh in matlab. This is a circular plate with elliptical holes. Then import this mesh in...

1 year ago | 1 answer | 0

### 1

answerQuestion

Image processing of a binary image

I made this binary image such that a bigger circle has non overlapping random smaller circles. How can I remove those circles th...

1 year ago | 3 answers | 0

### 3

answersQuestion

Solving non linear ode using ode45

I want to solve a problem of die casting where a liquid alloy contained in a crucible is pressurised by argon into a tube again...

1 year ago | 2 answers | 0

### 2

answersQuestion

Generating random circles/ellipses inside circular domain

https://www.mathworks.com/matlabcentral/fileexchange/25389-synthetic-microstructure-generator/ I am using this code for microst...

1 year ago | 3 answers | 0

### 3

answersQuestion

Generating random non overlaping spheres inside a cylinder having certain volume fraction

DOI: http://dx.doi.org/10.13140/RG.2.2.19120.66560 This article is for 3-d synthetic microstructure generation. The code give...

1 year ago | 0 answers | 0

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answersQuestion

To determine response using ode45 for a time dependent forcing at specific nodes

function [qdot] = deriv(t,q,A,B) F(9,1) = 100*sin(100*t); % There are total 7 nodes (4 dof at each node). I want to ...

2 years ago | 0 answers | 0

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answersQuestion

FRF using Fast Fourier transform

As to plot FRF(output) using FFT we plot cross(xf)/auto(ff) v/s frequency. The to plot the Frequency response of input force wha...

3 years ago | 0 answers | 0

### 0

answersQuestion

numerical integration to obtain response using convolution

%% Question - I have to integrate this expression symbollically such that the final answer is a function of ta %% because I hav...

3 years ago | 1 answer | 0

### 1

answerQuestion

Numerical integration to find response

%% Question - I have to integrate this expression symbollically such that the final answer is a function of ta %% because I hav...

3 years ago | 0 answers | 0

### 0

answersQuestion

Response to an impulse(delta dirac)

This is my question there is a spring mass damper system.....hit by a step input at t=0 of magnitude 20N for 2 sec.....I know th...

3 years ago | 1 answer | 0

### 1

answerQuestion

system of ode plotting solution

function qdot = vdPav(t,q) Delta= -2; F= 1; epsilon = 0.1; qdot = [epsilon((1/2)*q(1)-(1/8)*q(1)^3+(1/2)*Delta*q(2)-(1/8)*q(...

3 years ago | 0 answers | 0

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answersQuestion

Perimeter by adding distance

I have two arrays [x] and [y] (contains values corresponding to x)..I plot the values it resulted in a closed curve now the ques...

3 years ago | 1 answer | 0

### 1

answerQuestion

solving non linear equation using fsolve

function F = root2d(phi) F = zeros(2,1); F(1) = (pi*sin((pi*(phi(1) + theta_n))/180)*cos((pi*phi(2))/180)*(cos((pi*theta_n)/...

3 years ago | 1 answer | 0

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answerQuestion

solving set of non linear equation

Problem : to find the values of phi(1) and phi(2) by solving the non linear set of eqn ......I am getting error PS : hal...

3 years ago | 2 answers | 0

### 2

answersQuestion

plotting eta v/s iteration

I want to plot eta v/s iteration I dont know how to proceed

3 years ago | 1 answer | 0

### 1

answerQuestion

Symbolic plotting of Fourier integral

<</matlabcentral/answers/uploaded_files/504473/IMG_20210130_212723.jpg>> I want to plot M/P×a v/s (x/a) there are no values ...

3 years ago | 1 answer | 0

### 1

answerQuestion

How to extract value at a given time in ode 45

I have solved an ode numerically for tspan [0 5] so an array is created for values of x at different t. The question is hoe c...

3 years ago | 2 answers | 0