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Runge-Kutta integration of the Taylor-Maccoll eq

Shouldn't k1 = h*F1(t, y1(i), y2(i)); m1 = h*F1(t, y1(i), y2(i)); k2 = h*F2(t+0.5*h, y1(i)+0.5*h, y2(i...

Runge-Kutta integration of the Taylor-Maccoll eq

Shouldn't k1 = h*F1(t, y1(i), y2(i)); m1 = h*F1(t, y1(i), y2(i)); k2 = h*F2(t+0.5*h, y1(i)+0.5*h, y2(i...

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How can I shade the area between a curve and a vertical line?

Try help fill or help patch Although they refer to polygons, you could easily represent your curve as a multi-segment polyg...

How can I shade the area between a curve and a vertical line?

Try help fill or help patch Although they refer to polygons, you could easily represent your curve as a multi-segment polyg...

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Finding best parametric function estimation for ODE of first order

First plot the points, ui vs xi to see what sort of curve it might be. If it looks like it could be a polynomial (as in the cas...

Finding best parametric function estimation for ODE of first order

First plot the points, ui vs xi to see what sort of curve it might be. If it looks like it could be a polynomial (as in the cas...

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Impose a numerical limit on the value of a sum of two vectors

One possibility is min(max(a1),a1+a2)

Impose a numerical limit on the value of a sum of two vectors

One possibility is min(max(a1),a1+a2)

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How read Matrix Market data into MATLAB?

Do you mean like this: %%MatrixMarket matrix coordinate real symmetric % System: M x_dotdot + E x_dot + K x = B u % y...

How read Matrix Market data into MATLAB?

Do you mean like this: %%MatrixMarket matrix coordinate real symmetric % System: M x_dotdot + E x_dot + K x = B u % y...

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rounding the imaginary part of the number

Z = 0.0000e+00 + 7.8765e-04*1i; format shortG round(Z,4)

rounding the imaginary part of the number

Z = 0.0000e+00 + 7.8765e-04*1i; format shortG round(Z,4)

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How can I model second order ODE with matrices and external forcing?

Like this perhaps (I've made up arbitrary data; you will obviously have to replace it with your own) x0 = [1; -1]; v0 = [0; 0]...

How can I model second order ODE with matrices and external forcing?

Like this perhaps (I've made up arbitrary data; you will obviously have to replace it with your own) x0 = [1; -1]; v0 = [0; 0]...

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Randomisation of ramberg osgood equation

You don't need a loop. Yu can just do deltaepsilon = r/E + 2*(r/(2*Kp)).^(1/np); where Kp = K' and np = n'. Note that you nee...

Randomisation of ramberg osgood equation

You don't need a loop. Yu can just do deltaepsilon = r/E + 2*(r/(2*Kp)).^(1/np); where Kp = K' and np = n'. Note that you nee...

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How to solve a ode within a for loop?

Like this A = 0:0.05:0.35; tspan = 0: 0.1: 1; p32 = zeros(length(tspan),length(A)); r = 0.7; r0 = 2; p0 = [r; r0]; for k ...

How to solve a ode within a for loop?

Like this A = 0:0.05:0.35; tspan = 0: 0.1: 1; p32 = zeros(length(tspan),length(A)); r = 0.7; r0 = 2; p0 = [r; r0]; for k ...

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How can I solve a system of equations with exponential terms in Matlab?

There is almost certainly no analytical solution here! For a numerical solution (given the values of the other parameters), try...

How can I solve a system of equations with exponential terms in Matlab?

There is almost certainly no analytical solution here! For a numerical solution (given the values of the other parameters), try...

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To find integral of a function in loop

Try replacing q = integral(f,6e-7, x); with q(i) = integral(f,6e-7, x(i));

To find integral of a function in loop

Try replacing q = integral(f,6e-7, x); with q(i) = integral(f,6e-7, x(i));

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Numerical integration of the missile dynamic model

I don't know the actual problem, but if you look at your values of Y against time you will see that some of them are clearly div...

Numerical integration of the missile dynamic model

I don't know the actual problem, but if you look at your values of Y against time you will see that some of them are clearly div...

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Monte Carlo simulation for probability of a multi part machine working

Here's one possibility: % each A part works 98% of the time. Each B works 91% of the time. % The machine has 12A and 7B parts....

Monte Carlo simulation for probability of a multi part machine working

Here's one possibility: % each A part works 98% of the time. Each B works 91% of the time. % The machine has 12A and 7B parts....

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Need help on using trapz on a definite integral

Replace Final = Nach + Vor; by Final(i) = Nach + Vor;

Need help on using trapz on a definite integral

Replace Final = Nach + Vor; by Final(i) = Nach + Vor;

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Multiple parameter Non Linear Curve Fit- Error using ^

You probably need to use element by element multiplication and division etc in your definition of fun. I.e. use a.*b and a...

Multiple parameter Non Linear Curve Fit- Error using ^

You probably need to use element by element multiplication and division etc in your definition of fun. I.e. use a.*b and a...

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How to separate plot titles on single line? [solved]

Define the titles with an extra space at the end of each word.

How to separate plot titles on single line? [solved]

Define the titles with an extra space at the end of each word.

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Plotting to test probability convergence

See my reply to your question at https://uk.mathworks.com/matlabcentral/answers/871048-how-to-do-integration-of-this-equation-an...

Plotting to test probability convergence

See my reply to your question at https://uk.mathworks.com/matlabcentral/answers/871048-how-to-do-integration-of-this-equation-an...

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How to do integration of this equation and plot graph between T and y

Like this perhaps: u=0.020; x=0.025; z=0; t=5; eta= 0.6; P=200; C=500; ro= 1000; l=0.008; Alpha=17e-6; r = 0.01; % Gu...

How to do integration of this equation and plot graph between T and y

Like this perhaps: u=0.020; x=0.025; z=0; t=5; eta= 0.6; P=200; C=500; ro= 1000; l=0.008; Alpha=17e-6; r = 0.01; % Gu...

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Making relative histogram for data, and a convergence diagram to see if enough trials have been run for monte carlo simulation.

Something like the following? N = 1000; Throwsum = zeros(N,1); Relativefreq = zeros(N,1); count = 0; for i=1:1000 throwD...

Making relative histogram for data, and a convergence diagram to see if enough trials have been run for monte carlo simulation.

Something like the following? N = 1000; Throwsum = zeros(N,1); Relativefreq = zeros(N,1); count = 0; for i=1:1000 throwD...

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Runge Kutta and Binary Search to analyze system of ODEs

At the moment you have dj/dt = -K*d0^2; which means rate of reduction of radius is constant. Since d0^2 is a constant this m...

Runge Kutta and Binary Search to analyze system of ODEs

At the moment you have dj/dt = -K*d0^2; which means rate of reduction of radius is constant. Since d0^2 is a constant this m...

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Gaussian Curve Plotting Issues

If you have 10000 individuals with a probability of 0.013 of being in group A, you would expect your curve to peak close to 130 ...

Gaussian Curve Plotting Issues

If you have 10000 individuals with a probability of 0.013 of being in group A, you would expect your curve to peak close to 130 ...

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Solve equation with 2 unknowns using solve

There are an infinite number of solutions! Restrict the range. One possibility is as follows bfn = @(a) acos(1.6-cos(a)); fn...

Solve equation with 2 unknowns using solve

There are an infinite number of solutions! Restrict the range. One possibility is as follows bfn = @(a) acos(1.6-cos(a)); fn...

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Is this formula correct for simulate 3D Water rocket

Probably vy = v0*cos(alpha); should be more like vy = v0*cos(alpha)*cos(beta); where beta is an angle that will point the r...

Is this formula correct for simulate 3D Water rocket

Probably vy = v0*cos(alpha); should be more like vy = v0*cos(alpha)*cos(beta); where beta is an angle that will point the r...

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Need to Produce a different size matrix on each iteration

Try the following wqe=[1;2;3;4;5;6;7;8;9;10;11;12;13;14;15]; kli=[51;52;53;54;55;56;57;58;59;60;61;62;63;64;65]; hsd=size(kli...

Need to Produce a different size matrix on each iteration

Try the following wqe=[1;2;3;4;5;6;7;8;9;10;11;12;13;14;15]; kli=[51;52;53;54;55;56;57;58;59;60;61;62;63;64;65]; hsd=size(kli...

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Getting error using syms to implement power formula

Like this? % Arbitrary values - replace with your own fs = 1; x_h = @(n) 1/(n+10)^2; %Power formula syms N...

Getting error using syms to implement power formula

Like this? % Arbitrary values - replace with your own fs = 1; x_h = @(n) 1/(n+10)^2; %Power formula syms N...

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Solving a system of 12 ode’s with discrete data using Euler method

Look up interp1 doc interp1

Solving a system of 12 ode’s with discrete data using Euler method

Look up interp1 doc interp1

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How to handle a variable inside matrix without using syms toolbox?

Are you looking for somethig like this; f = @(w) [1,-0.1409*w^2;0,1]*[1,0;1/286.48,1]*[1,-0.05493*w^2;0,1]... *[1,0;1/1793...

How to handle a variable inside matrix without using syms toolbox?

Are you looking for somethig like this; f = @(w) [1,-0.1409*w^2;0,1]*[1,0;1/286.48,1]*[1,-0.05493*w^2;0,1]... *[1,0;1/1793...

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Issues in For loop

Have you intialised j (i.e. set j = 1;) before going into the for i = 1:38976 loop?

Issues in For loop

Have you intialised j (i.e. set j = 1;) before going into the for i = 1:38976 loop?

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How can I randomize cube positions in matlab?

Like this? E=1; N=3; Nsamples=10; d=randi(N,1,Nsamples); s=randi(2,1,Nsample...

How can I randomize cube positions in matlab?

Like this? E=1; N=3; Nsamples=10; d=randi(N,1,Nsamples); s=randi(2,1,Nsample...

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