Top 5% contributor
Star Strider, could you please help me solve this set of four coupled ODEs?
tpcl = @(xi,y) [y(2); ((1 + (y(2)*y(2)))^(1.5))*...
Answered 3 years ago
Per, How do I make that value real then?! And why would a simple integration result in a complex value at all?
I am getting the following error while running the code:
Attempted to access R1_rk4(17501); index must be a positive integer ...
Asked 4 years ago
How to create a variable (using linspace) for the following configuration: Distance between the first and second point = 0.5h D...
4 years ago
I am trying to solve a 4th order differential equation using shooting method by disintegrating the ODE into four coupled first o...
Asked 3 years ago
Here is my code: I am getting complex values for "T_integral" and that is messing up my temperature profile TSil. Any help will ...
Distance between first and second point and the distance between second last and last point is 0.5h. All other distances between...
Suppose I have a spreadsheet like this:
A B C
1: 0 45 87
2: 0 7 8
3: 1 65 68
4: 0 ...
I have two variables: "z" and "v" which have the following relationship with x and y:
z = x^2 - y^2
v = 2xy
Asked 3 months ago
How can visualize on a 2D plot the variation of a variable say, z of size (100,1), that varies with both x and y, both of size (...
Asked 8 months ago
Suppose I have a temperature matrix, T = zeros(Nz+1,Nt+1). Nz are number of elements in the z-axis and Nt are number of elements...
Here is my code. Any sort of help will be appreciated.
a = @(x) -(x+3)/(x+1);
b = @(x) (x+3)/((x+1).^2);
f = @(x) 2*(...
Suppose if I have a matrix like this:
Time = [1;2;3;4;5;6;7;8;9;10]
Diameter = [1;2;3;4;5;6;7;8;9;10]
If I want to ...
How to write:
if A(i+2,11) == NaN % Originally posted as: if (i+2,11) == NaN
using ISNAN function?
Could somebody help me solve this set of four coupled ODEs?
tpcl = @(xi,y) [y(2); ((1 + (y(2)*y(2)))^(1.5))*(y(3) - (A/(y(1)...
Nx = 100;Ny = 20;Nt = 4000;
x = 0:10/Nx:10; y = -1:2/Ny:1; t = 0:100/Nt:100;
Dx = 10/Nx;Dy = 2/Ny;Dt = 10/Nt;
a = 0...
Nx = 100;
Ny = 20;
Nt = 400;
x = 0:10/Nx:10;
y = -1:2/Ny:1;
t = 0:1/Nt:1;
Dx = 10/Nx; % delta x
Dy = ...
How to run a function like this in a loop where time is increasing?
Radius varying with time: First 2 seconds drops linearly,...
How would I find the roots to this particular function?
f(x) = mod((4 + x)/(4 - 3*x)) - exp(i*t)
mod = modulus...
Choose your country to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a location from the following list:
See all countries