Answered
How would I write a function that finds the closest point from a list of coordinates?
Hi Joshua, you can try this: x = [3, 1, 2, 2]; y = [5, 2, 4, 6]; current_site = 4; site_list = [1, 3]; [chosen_site, d] = s...
How would I write a function that finds the closest point from a list of coordinates?
Hi Joshua, you can try this: x = [3, 1, 2, 2]; y = [5, 2, 4, 6]; current_site = 4; site_list = [1, 3]; [chosen_site, d] = s...
4 years ago | 0
| accepted
Answered
How can I use feval, linespace and int()?
You can do like that: syms x; ex = int(x^2); s = @(x) subs(ex, 'x', x); numPoints = 200; xvec = linspace(1,10,numPoints);...
How can I use feval, linespace and int()?
You can do like that: syms x; ex = int(x^2); s = @(x) subs(ex, 'x', x); numPoints = 200; xvec = linspace(1,10,numPoints);...
4 years ago | 0
| accepted
Answered
how to use for loop in equation
Hi Shiv, up to my understanding you want to execute a kind of parametric study, basing on a parameter A (and perhaps in future...
how to use for loop in equation
Hi Shiv, up to my understanding you want to execute a kind of parametric study, basing on a parameter A (and perhaps in future...
4 years ago | 0
Answered
Why the solution is higher than the initial conditions in a model without heatsource?
Dear YL, In my opinion which is observed in the figure is just a uniform temperature T = 50, plus a numerical noise, which may...
Why the solution is higher than the initial conditions in a model without heatsource?
Dear YL, In my opinion which is observed in the figure is just a uniform temperature T = 50, plus a numerical noise, which may...
4 years ago | 0
| accepted
Answered
How to solve trigonometric equation x*cos(x)+sin(x)=0 with function fsolve?
Hi Attho, since your function depends on one varialbe only, you can solve more easily with fzero: fun = @(x) x.*cos(x)+sin(x)...
How to solve trigonometric equation x*cos(x)+sin(x)=0 with function fsolve?
Hi Attho, since your function depends on one varialbe only, you can solve more easily with fzero: fun = @(x) x.*cos(x)+sin(x)...
4 years ago | 1
| accepted
Answered
how do i fix inline function error?
Hi, you can try this: work5(0.5) function A=work5(x) m=1; fun = @(n) log(n)./(n.^2); % *** for k=10:...
how do i fix inline function error?
Hi, you can try this: work5(0.5) function A=work5(x) m=1; fun = @(n) log(n)./(n.^2); % *** for k=10:...
4 years ago | 0
| accepted
Answered
Substracting all elements in two arrays with different sizes
Enjoy ... a1 = [1 2]; a2 = [1 2 3]; res = a1.' - a2 ; res = res(:).' Pay attention to the fact that a1 and a2 must be row-ve...
Substracting all elements in two arrays with different sizes
Enjoy ... a1 = [1 2]; a2 = [1 2 3]; res = a1.' - a2 ; res = res(:).' Pay attention to the fact that a1 and a2 must be row-ve...
4 years ago | 2
| accepted
Answered
adding answers into cell array
Hi. You could do like this: answers = {}; for n = 1 : 10 % My very complex computation res = sprintf('The answer is ...
adding answers into cell array
Hi. You could do like this: answers = {}; for n = 1 : 10 % My very complex computation res = sprintf('The answer is ...
4 years ago | 0
Answered
Ax = 0 with 2 values of x known
Basically, you are asking how to impose Dirichlet boundary conditions, right? If so, there are several methods: Substitution me...
Ax = 0 with 2 values of x known
Basically, you are asking how to impose Dirichlet boundary conditions, right? If so, there are several methods: Substitution me...
4 years ago | 1
| accepted
Answered
Creating mesh from volumetric array
Dear Alan, perhaps for your purpose you could try to use the marching cube algorithm. A Matlab implementation is available her...
Creating mesh from volumetric array
Dear Alan, perhaps for your purpose you could try to use the marching cube algorithm. A Matlab implementation is available her...
4 years ago | 0
Answered
running out of memory while executing matlab script?
Hi Asim, basically because in your code you use (in the wrong way) length instead of size: the function length returns the tot...
running out of memory while executing matlab script?
Hi Asim, basically because in your code you use (in the wrong way) length instead of size: the function length returns the tot...
4 years ago | 0
| accepted
Answered
Passing time step of ODE solver to odefunction for stochastic simulation
Hi Soeren, in my opinion the question is ill-posed, because (up to my knowledge) methods like ode45 are designed to solve dete...
Passing time step of ODE solver to odefunction for stochastic simulation
Hi Soeren, in my opinion the question is ill-posed, because (up to my knowledge) methods like ode45 are designed to solve dete...
4 years ago | 0
| accepted
Answered
problem with programm that use Newton-Raphson method to solve nonlinear equation system
Hi Mi, it is difficoult to give a precise answer without a deeper knowledge of the equation which has to be solved. Unfortunat...
problem with programm that use Newton-Raphson method to solve nonlinear equation system
Hi Mi, it is difficoult to give a precise answer without a deeper knowledge of the equation which has to be solved. Unfortunat...
4 years ago | 0
Answered
What is the main error in this code and how can it be solved?
Simply, the variable L is undefined. That is, you must assign a value to it before you use it, for instance by: L=2; a=0; b=1;...
What is the main error in this code and how can it be solved?
Simply, the variable L is undefined. That is, you must assign a value to it before you use it, for instance by: L=2; a=0; b=1;...
4 years ago | 0
Answered
Second order boundary value problem numerical solution
Hi. There are plenty of methods to solve your problem. Perhaps, the simplest one is by using Finite Difference; you can find man...
Second order boundary value problem numerical solution
Hi. There are plenty of methods to solve your problem. Perhaps, the simplest one is by using Finite Difference; you can find man...
4 years ago | 0
Answered
How to store consequtive numbers and vector jumps in different matrices?
Hi. You can try this: A = [1,2,3,6,7,8,11,12,13,14,15,17,18,19,30,31,32]; C = {} ; NC = {}; % Consecutive / Non Consecutive ...
How to store consequtive numbers and vector jumps in different matrices?
Hi. You can try this: A = [1,2,3,6,7,8,11,12,13,14,15,17,18,19,30,31,32]; C = {} ; NC = {}; % Consecutive / Non Consecutive ...
4 years ago | 1
| accepted
Answered
Labels above bar-plot
Hi. Up to my understanding, the problem seems to be that when you use bar(A) the coordinates along x are 1, 2, ... 40. Assuming ...
Labels above bar-plot
Hi. Up to my understanding, the problem seems to be that when you use bar(A) the coordinates along x are 1, 2, ... 40. Assuming ...
4 years ago | 0
| accepted
Answered
reallocating matrix concatenated as string
If I understand well your question, you wish to do this: sonucmatrisi = zeros(20, 69); faz1atananmakineler = zeros(20, 69); f...
reallocating matrix concatenated as string
If I understand well your question, you wish to do this: sonucmatrisi = zeros(20, 69); faz1atananmakineler = zeros(20, 69); f...
4 years ago | 0
Answered
sudo ./install doesn't start on Linux
This question has been solved here: https://fr.mathworks.com/matlabcentral/answers/1461039-on-ubuntu-sudo-won-t-run-the-install...
sudo ./install doesn't start on Linux
This question has been solved here: https://fr.mathworks.com/matlabcentral/answers/1461039-on-ubuntu-sudo-won-t-run-the-install...
4 years ago | 10
Question
How to exchange data between two C++ MEX files
Good morning, I need to write a two (or more) C++ mex functions the first MEX function allocates dynamically a std::vector<dou...
4 years ago | 1 answer | 0
1
answerSubmitted
snippet
Snippet is a Matlab toolbox which allows to inline portions of C/C++ code in Matlab programs
5 years ago | 1 download |
Question
How to dramatically speed-up the function plot
Introduction Recently I found that in some circumstances the function plot is extremely slow, and I needed to find a solution t...
5 years ago | 2 answers | 1