naygarp
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Accept 5 answers given by other contributors
Awarded to naygarp on 12 Dec 2017
Feeds
Question
What changes should I make to get binary images correctly in order for BoundingBox to grab the ROI correctly?
I am not getting the correct binary images of the attached images in order for the BoundingBox to capture the ROI properly. It h...
3 years ago | 2 answers | 0
2
answersQuestion
How do I calculate the spreading length of an image of a droplet spreading and find the ROI and automate the process
I have a series of images of droplet impacting on another droplet. The images are in RGB color and I converted to grayscale and ...
3 years ago | 1 answer | 0
1
answerQuestion
How do I merge 3 figures from 3 different programs in a single figure ?
I have 3 figures from 3 different codes and I want to merge all the 3 figures in a single figure. I could merge 2 figures fro...
5 years ago | 1 answer | 0
1
answerQuestion
How do I use a for loop in my ode15s based code for shooting method and get multiple graphs?
I am using ode15s solver to solve a set of odes by shooting technique and obtain graphs of the solutions. while trying to var...
6 years ago | 1 answer | 0
1
answerQuestion
How do I correct the disorientation of the dotted lines into solid lines when I export setup .fig to .eps file
I am modifying a set of graphs for publishing and when I resize the graphs from the figure window manually and export it to .eps...
6 years ago | 0 answers | 1
0
answersQuestion
Is it possible to merge to graphs in one figure from two m files?
I have a code implementing shooting method to solve 4 ODEs I have saved in two different files, one is by using solver 'bvp4c...
6 years ago | 1 answer | 0
1
answerQuestion
How do I use 'deval' or any equivalent kind in the code for shooting method using 'ode15s'
Hello, I need to find out the value of y(3),y(5), y(7) at x=0, There is an option 'deval' eg. deval(sol,0), which I used i...
6 years ago | 0 answers | 0
0
answersQuestion
Why does my code for shooting method using 'ODE45' or 'ODE23s' does not converge to the boundary value.?
I have used shooting method with ' _ode45_' or ' _ode23s_'. But , the solution doesn't converge and it takes a lot of time. ...
6 years ago | 2 answers | 1
2
answersQuestion
Can I obtain results with more significant figures after the decimal place while using 'deval' in a bvp4c solver?
When I use deval in the bvp4c solver, I get only up to four digits after the decimal place. Can't I get up to more than four ...
6 years ago | 1 answer | 0
1
answerQuestion
How do I extract a particular value in a 'bvp4c' code solver?
I have this bvp4c code for the following equations : f"=g(g^2+gamma^2)/(g^2+lambda*gamma^2) ------ (1) g'= (1/3)*f'^2-...
6 years ago | 1 answer | 0
1
answerQuestion
How do I get an analytical solution of a boundary value problem in MATLAB
I have the following 3rd order ordinary differential equation that I need to solve f'''- 1/3f'^2- 2/3ff'=0 at x=0, ...
6 years ago | 2 answers | 0
2
answersQuestion
How do I obtain graphs of parameters like Reduced Sherwood no. vs Brownian motion parameter(Nb) from a bvp4c code that I have written
Following are non-dimensional the set of equations that I have: f"=g(g^2+gamma^2)/(g^2+lambda*gamma^2) ------ (1) g'= ...
6 years ago | 0 answers | 0
0
answersQuestion
Is my code for bvp4c for a set of odes is correctly written
I have the following set of equations: f"=g(g^2+gamma^2)/(g^2+lambda*gamma^2) ------ (1) g'= (1/3)*f'^2-(2/3)*(f*f")+ Mn*f'...
6 years ago | 0 answers | 0
0
answersQuestion
I am unable to obtain multiple graphs by varying a parameter in a for loop while solving a Runge-Kutta based problem
While solving a Runge-Kutta problem, I wanted to obtain 3 graphs varying the values of 'phi' in a 'for' loop, but I am unable to...
6 years ago | 1 answer | 0
1
answerQuestion
I am getting an error of 'Subscript indices must either be real positive integers or logicals' while solving a runge kutta problem
clf;clc; %parameters s=0.01; t_final=10; global Re Pr R phi b eps Mn Bi alp rhof cpf kf rhos cps ks Re= 2.5; Pr= 6...
6 years ago | 1 answer | 0
1
answerQuestion
How do I use 'legend' to show for which parameter value is for which graph?
The equations I've used are : f"=g(g^2+gamma^2)/(g^2+lambda*gamma^2) ------ (1) g'= 1/3f'^2-2/3(f*f")+ Mn*f' --------------...
6 years ago | 0 answers | 0
0
answersQuestion
I an not getting multiple graphs after running two 'for' loops for different parameters solving ode using 'bvp4c'
The equations that I have to solve are : f"=g(g^2+gamma^2)/(g^2+lambda*gamma^2) ------ (1) g'= 1/3f'^2-2/3(f*f") ---...
6 years ago | 1 answer | 0
1
answerQuestion
Why am I not getting multiple graphs after iteration of the following equation, I am using two 'for' loops
Equation: F"= G(G^2+lambda*gamma^2)/(G^2+gamma^2) for different values of parameter 'G' and parameter 'gamma' are calculated...
6 years ago | 1 answer | 0
1
answerQuestion
I am not getting multiple graphs(iterative) when I run the code for a coupled bvp ODE using bvp4c
Two ODEs are: F"=G(G^2+gamma^2)/(G^2+lambda*gamma^2) G'= 1/3F'^2-2/3(F*F") subject to: F(xi)=alpha/2, F'(xi)=1 at xi=...
6 years ago | 1 answer | 0
1
answerI want a code for solving a coupled 3rd order and 2nd order ode using shooting method and RK-4 numerical technique , please if anyone could help
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6 years ago | 0
Question
I want a code for solving a coupled 3rd order and 2nd order ode using shooting method and RK-4 numerical technique , please if anyone could help
(1+2M*eta)f''' + 2M*f"+ f*f" -f'^2 - k1*f' + lambda*theta=0 ---------- (1) (1+2M*eta)theta" + 2M*theta' + Pr(f*theta'-f'*th...
6 years ago | 3 answers | 0
3
answersQuestion
Are there some issues, if I run programs in MATLAB R2017a that I have created using MATLAB R2010a?
I have used a program that I ran in MATLAB R2010a and later I ran the same code in MATLAB R2017a, I have some issues with the gr...
6 years ago | 1 answer | 0
1
answerQuestion
What modifications do I need to make in the following codes for solving the boundary value problem similar to the Blasius equation using Shooting method with R-K 4 numerical analysis
The equation is (1+2M*eta)f'''+ 2Mf"+ f*f"- (f')^2- K1*f'= 0 ; f' is df/d(eta) 'eta' is a similarity variable ...
6 years ago | 1 answer | 0
1
answerQuestion
How do I plot a graph from the following code
I need a graph of 'x vs y1' and 'x vs y0' as well as 'x vs y2', but the values of y0,y1,y2 has to be the iterated values. ...
6 years ago | 1 answer | 0
1
answerQuestion
I want a whole code for solving the Blasius equation(similarity variable 'eta') using shooting method with Runge Kutta 4th order numerical technique
I tried to write a brief code for the Blasius equation but I am unable to proceed further, it will be helpful if improvements ar...
6 years ago | 1 answer | 0
1
answerQuestion
Errors while trying to solve a simple differential equation
Why am I getting all these errors while solving this simple differential equation? syms y t a b eqn = diff(y,t,2) == a^2*y;...
6 years ago | 1 answer | 0
1
answer
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