Torsten
Top ten contributors whose answers received the most acceptances in 2022
Awarded to Torsten on 01 Jan 2023
Download any 10 unique submissions
Awarded to Torsten on 01 Nov 2022
Contribute at least one answer each month for 36 consecutive months
Awarded to Torsten on 12 Oct 2019
Answer 3 questions that were unanswered for more than 30 days
Awarded to Torsten on 20 Jul 2017
100 of your answers have been accepted
Awarded to Torsten on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Torsten on 20 Jul 2017
Content Feed
답변 있음
How can i use this vector in my ODE function?
Integrate from t=0 to t=10 and use u = 30. Restart the ode solver with the solution at t = 10 and integrate from t=10 to t = 20...
How can i use this vector in my ODE function?
Integrate from t=0 to t=10 and use u = 30. Restart the ode solver with the solution at t = 10 and integrate from t=10 to t = 20...
대략 15시간 전 | 0
답변 있음
Simulating a 1D Random Walk
% Step 2: Plot the entire trajectory for a single random walk N = 100; % Number of steps single_trajectory = simulateRandomWal...
Simulating a 1D Random Walk
% Step 2: Plot the entire trajectory for a single random walk N = 100; % Number of steps single_trajectory = simulateRandomWal...
대략 17시간 전 | 0
| 수락됨
답변 있음
How to plot different length vectors against each other?
However the x vector has a length of 113 compared to 1849 for y because of the differences in timestep. Solve for x and y toget...
How to plot different length vectors against each other?
However the x vector has a length of 113 compared to 1849 for y because of the differences in timestep. Solve for x and y toget...
대략 18시간 전 | 0
| 수락됨
답변 있음
Error using linprog (line 369)
A_s and f_s are not specified in your code. But without running your code, I think your problem exceeds your available computer...
Error using linprog (line 369)
A_s and f_s are not specified in your code. But without running your code, I think your problem exceeds your available computer...
대략 24시간 전 | 0
| 수락됨
답변 있음
95% confidence bounds from logistic curve (curve fitter) give different results to plotting via equation in script
It's not possible to just insert lower and upper bounds for the parameters into the model equation to get the curves for the con...
95% confidence bounds from logistic curve (curve fitter) give different results to plotting via equation in script
It's not possible to just insert lower and upper bounds for the parameters into the model equation to get the curves for the con...
1일 전 | 0
답변 있음
how to calculate the drivative of discretized ODE
After the line sol = ode45(@(t,u) dODE(t, u, par, tau, M,D), tspan, u0,options); you can compute the derivatives of the soluti...
how to calculate the drivative of discretized ODE
After the line sol = ode45(@(t,u) dODE(t, u, par, tau, M,D), tspan, u0,options); you can compute the derivatives of the soluti...
1일 전 | 0
| 수락됨
답변 있음
There is an error when i run my 'subplot' command in MATLAB
Rename your script file "subplot.m" to something else. "subplot" is a reserved name in MATLAB.
There is an error when i run my 'subplot' command in MATLAB
Rename your script file "subplot.m" to something else. "subplot" is a reserved name in MATLAB.
1일 전 | 1
답변 있음
Please help for objectiveFunction command.
You don't supply k1, k2, c1 and c2 to the objective function. If these are the parameters to be optimized, you don't need to pa...
Please help for objectiveFunction command.
You don't supply k1, k2, c1 and c2 to the objective function. If these are the parameters to be optimized, you don't need to pa...
1일 전 | 1
답변 있음
1D HEAT CONDUCTION
In each time step, you have to solve the linear system of equations T(1,k+1) = Tleft T(i, k+1) - deltat/deltax^2*alpha* (T(i-...
1D HEAT CONDUCTION
In each time step, you have to solve the linear system of equations T(1,k+1) = Tleft T(i, k+1) - deltat/deltax^2*alpha* (T(i-...
2일 전 | 1
답변 있음
Finding a definite integral
x = linspace(0,1,101); u = [0.1600 0.1600 0.1599 0.1599 0.1597 0.1596 0.1594 0.1592 ... 0.1590 0.1...
Finding a definite integral
x = linspace(0,1,101); u = [0.1600 0.1600 0.1599 0.1599 0.1597 0.1596 0.1594 0.1592 ... 0.1590 0.1...
2일 전 | 0
| 수락됨
답변 있음
Compute a function that has Double summation
All the series involved are geometric series for which the finite and infinite sums are known: sum_{i=1}^{i=n} q^i = q * (1-q^n...
Compute a function that has Double summation
All the series involved are geometric series for which the finite and infinite sums are known: sum_{i=1}^{i=n} q^i = q * (1-q^n...
3일 전 | 0
답변 있음
What does this mean: K12_global(1:3:6,1:3:6)?
Do you see what happens ? The new matrix K12 is formed of the elements (1,1),(1+3,1),(1,1+3) and (1+3,1+3) of the original mat...
What does this mean: K12_global(1:3:6,1:3:6)?
Do you see what happens ? The new matrix K12 is formed of the elements (1,1),(1+3,1),(1,1+3) and (1+3,1+3) of the original mat...
3일 전 | 0
답변 있음
Unable to meet integration tolerances without reducing the step size below the smallest value allowed (1.136868e-13) at time t.
I had to add the line global alpha pD K g_T IFN at the beginning of your program to make the code work because the above globa...
Unable to meet integration tolerances without reducing the step size below the smallest value allowed (1.136868e-13) at time t.
I had to add the line global alpha pD K g_T IFN at the beginning of your program to make the code work because the above globa...
3일 전 | 0
답변 있음
Numerical Differentiation using Finite Differences
h = 0.01; x = 0:h:2*pi; fx = sin(x); %df1 = (sin(x+h) - sin(h))/h; df1 = (sin(x+h) - sin(x))/h; df2 = (sin(x) - sin(x-h...
Numerical Differentiation using Finite Differences
h = 0.01; x = 0:h:2*pi; fx = sin(x); %df1 = (sin(x+h) - sin(h))/h; df1 = (sin(x+h) - sin(x))/h; df2 = (sin(x) - sin(x-h...
3일 전 | 0
| 수락됨
답변 있음
Efficiently evaluating ODE event that depends on only some variables
Use OutputFcn to check your condition after each successful time step. But I think it will be difficult to check for complanari...
Efficiently evaluating ODE event that depends on only some variables
Use OutputFcn to check your condition after each successful time step. But I think it will be difficult to check for complanari...
3일 전 | 0
답변 있음
Finding real and imaginary part of an equation
U = 0:0.1:10; P = sqrt((((20*U.^2)-15) + sqrt((400*U.^4)+ (1080*U.^2) + 25 -600 - 450 - (1125./U.^2)))./((36*U.^2) + 30)); Pim...
Finding real and imaginary part of an equation
U = 0:0.1:10; P = sqrt((((20*U.^2)-15) + sqrt((400*U.^4)+ (1080*U.^2) + 25 -600 - 450 - (1125./U.^2)))./((36*U.^2) + 30)); Pim...
4일 전 | 0
답변 있음
I have a code related to thermodynamic subject, i don't know how to run it in order to get the different plot out of it. for example plot (p,rho). plot of pressure vs density.
I think there is something wrong in the calculation of the compressibility factor. p = EOS(2.0,150) function p=EOS(rho,temp)...
I have a code related to thermodynamic subject, i don't know how to run it in order to get the different plot out of it. for example plot (p,rho). plot of pressure vs density.
I think there is something wrong in the calculation of the compressibility factor. p = EOS(2.0,150) function p=EOS(rho,temp)...
4일 전 | 0
| 수락됨
답변 있음
compute sums by accumulating in a for-loop
sum(xprime(1:100-l)) This is a scalar. sum(xprime(1:100-l)).*xprime(1+l:100) This is a vector of length 100-(1+l)+1. (sum(xp...
compute sums by accumulating in a for-loop
sum(xprime(1:100-l)) This is a scalar. sum(xprime(1:100-l)).*xprime(1+l:100) This is a vector of length 100-(1+l)+1. (sum(xp...
4일 전 | 0
답변 있음
Financial optimization of heston
Assuming that Price_SV returns a vector of the same size as P_data, your call would look somehow like fun =@(p)Price_SV(p(1), p...
Financial optimization of heston
Assuming that Price_SV returns a vector of the same size as P_data, your call would look somehow like fun =@(p)Price_SV(p(1), p...
4일 전 | 0
| 수락됨
답변 있음
I don't know why this code is saying, "Arrays have incompatible sizes for this operation."
Your vector of initial conditions is 6x1 y0 = [Pi; Si; Li; Ii; Ri; Bi]; but you only return a 5x1 vector in PSLIR dydt = [dPd...
I don't know why this code is saying, "Arrays have incompatible sizes for this operation."
Your vector of initial conditions is 6x1 y0 = [Pi; Si; Li; Ii; Ri; Bi]; but you only return a 5x1 vector in PSLIR dydt = [dPd...
6일 전 | 0
| 수락됨
답변 있음
Matlab grader discretization help
Use off_diagonal = coefficient * ones(N-1, 1); instead of off_diagonal = coefficient * ones(N-2, 1); See the example "Create...
Matlab grader discretization help
Use off_diagonal = coefficient * ones(N-1, 1); instead of off_diagonal = coefficient * ones(N-2, 1); See the example "Create...
6일 전 | 0
답변 있음
Apply fmincon nonlinear parameter inequality constraints into SimBiology for parameterization
function [c,ceq] = nonlincon(params) %Nonlinear inequality constraints c(1) = params(1)*params(2) - params(5)*params(7); % For...
Apply fmincon nonlinear parameter inequality constraints into SimBiology for parameterization
function [c,ceq] = nonlincon(params) %Nonlinear inequality constraints c(1) = params(1)*params(2) - params(5)*params(7); % For...
6일 전 | 0
답변 있음
Trouble with For Loop
for i = 1:35 dataN_(i) = ecg_data (:,i); mean_HR_subject(i) = ... ... end
Trouble with For Loop
for i = 1:35 dataN_(i) = ecg_data (:,i); mean_HR_subject(i) = ... ... end
6일 전 | 0
| 수락됨
답변 있음
Solving first order ODE with initial conditions and symbolic function
You solved it in your code. The second solution out of the three MATLAB returned is the "correct" one giving real-valued tempera...
Solving first order ODE with initial conditions and symbolic function
You solved it in your code. The second solution out of the three MATLAB returned is the "correct" one giving real-valued tempera...
6일 전 | 0
| 수락됨
답변 있음
It takes too long to run the program and in the end I get an error, could you tell me what the error is?
You can't change the input for x in function "campo_pendulo". So you can delete this part of your code because it doesn't influ...
It takes too long to run the program and in the end I get an error, could you tell me what the error is?
You can't change the input for x in function "campo_pendulo". So you can delete this part of your code because it doesn't influ...
6일 전 | 0
답변 있음
Can someone help me check if I did this correctly?
Replace syms r a0 by syms r a0 positive to get the limits resolved.
Can someone help me check if I did this correctly?
Replace syms r a0 by syms r a0 positive to get the limits resolved.
6일 전 | 0
| 수락됨
답변 있음
Fixed Bed Adsorption Column Using Dimensionless Equations
The usual procedure is to define a grid 0 = X(1) < X(2) < ... < X(n) = 1 approximate the spatial derivative dA/dX in grid poin...
Fixed Bed Adsorption Column Using Dimensionless Equations
The usual procedure is to define a grid 0 = X(1) < X(2) < ... < X(n) = 1 approximate the spatial derivative dA/dX in grid poin...
6일 전 | 1
| 수락됨
답변 있음
Index exceeds the number of array elements. Index must not exceed 4.
Maybe you mean for i = 1:nt1 G1 = [(1-(1/2-beta)*w2.*t1(i).^2)/(1+(beta*w2.*t1(i).^2)),t1(i)/(1+(beta*w2.*t1(i).^2)); ...
Index exceeds the number of array elements. Index must not exceed 4.
Maybe you mean for i = 1:nt1 G1 = [(1-(1/2-beta)*w2.*t1(i).^2)/(1+(beta*w2.*t1(i).^2)),t1(i)/(1+(beta*w2.*t1(i).^2)); ...
7일 전 | 1
| 수락됨
답변 있음
Empty plot is showing because of my er
What x-y data are given to build the Lagrange Polynomial and in which x-data do you want to interpolate ? I assume that x-y are ...
Empty plot is showing because of my er
What x-y data are given to build the Lagrange Polynomial and in which x-data do you want to interpolate ? I assume that x-y are ...
7일 전 | 0
답변 있음
Any availiable function to find the Taylor series of multi variables function in Matlab?
https://uk.mathworks.com/matlabcentral/answers/92764-how-do-i-generate-the-taylor-series-as-a-function-of-several-variables-in-m...
Any availiable function to find the Taylor series of multi variables function in Matlab?
https://uk.mathworks.com/matlabcentral/answers/92764-how-do-i-generate-the-taylor-series-as-a-function-of-several-variables-in-m...
8일 전 | 0
| 수락됨
또한 다음 목록에서 웹사이트를 선택하실 수도 있습니다.
미주
- América Latina (Español)
- Canada (English)
- United States (English)
유럽
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom (English)
아시아 태평양
- Australia (English)
- India (English)
- New Zealand (English)
- 中国
- 日本Japanese (日本語)
- 한국Korean (한국어)