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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...
約4年 前 | 0
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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);...
約4年 前 | 0
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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...
約4年 前 | 0
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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...
約4年 前 | 0
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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)...
約4年 前 | 1
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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:...
約4年 前 | 0
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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...
約4年 前 | 2
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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 ...
約4年 前 | 0
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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...
約4年 前 | 1
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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...
約4年 前 | 0
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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...
約4年 前 | 0
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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...
約4年 前 | 0
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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...
約4年 前 | 0
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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;...
約4年 前 | 0
回答済み
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...
約4年 前 | 0
回答済み
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 ...
約4年 前 | 1
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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 ...
約4年 前 | 0
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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...
約4年 前 | 0
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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...
約4年 前 | 10
質問
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年以上 前 | 1 件の回答 | 0
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snippet
Snippet is a Matlab toolbox which allows to inline portions of C/C++ code in Matlab programs
約5年 前 | ダウンロード 1 件 |
質問
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...
6年弱 前 | 2 件の回答 | 2