Risposto
Regarding Genetic Algorithm Optimization- How to stop GA tool after each generation
t=0.2; % or any other reasonable time value while exist('filename.extension','file')==2 pause(t) end
Regarding Genetic Algorithm Optimization- How to stop GA tool after each generation
t=0.2; % or any other reasonable time value while exist('filename.extension','file')==2 pause(t) end
oltre 12 anni fa | 0
Risposto
problem with if test to test the increment in time
T = 1e-4; h = T/100; n = 1000;%par exemple Ts = 0:T:n*T; j = 1; for t =0:h:n*T if ismembc(t,Ts) ...
problem with if test to test the increment in time
T = 1e-4; h = T/100; n = 1000;%par exemple Ts = 0:T:n*T; j = 1; for t =0:h:n*T if ismembc(t,Ts) ...
oltre 12 anni fa | 0
Risposto
interpolate data points problem
At least one entry in Y is NaN (Not-A-Number). To find it, type in the command window: find(isnan(Y)) You should check ...
interpolate data points problem
At least one entry in Y is NaN (Not-A-Number). To find it, type in the command window: find(isnan(Y)) You should check ...
oltre 12 anni fa | 0
| accettato
Risposto
How to reduce execution time? "If" and "ismember" functions
To make ismember function faster, replace it with either *ismembc* or *ismembc2* functions. *ismembc* returns an array of logica...
How to reduce execution time? "If" and "ismember" functions
To make ismember function faster, replace it with either *ismembc* or *ismembc2* functions. *ismembc* returns an array of logica...
oltre 12 anni fa | 0
Risposto
How to find the indices of element occuring once in a vector?
A=[1 1 -1 0 0 0 1 0 1 1]; [~,c]=histc(A,unique(A)); out=find(c==1);
How to find the indices of element occuring once in a vector?
A=[1 1 -1 0 0 0 1 0 1 1]; [~,c]=histc(A,unique(A)); out=find(c==1);
oltre 12 anni fa | 0
Risposto
How to find the indices of element occuring once in a vector?
A=[1 1 0 -1 0 0 1 0 1 1]; [~,c]=histc(A,unique(A)); out=A(c==1);
How to find the indices of element occuring once in a vector?
A=[1 1 0 -1 0 0 1 0 1 1]; [~,c]=histc(A,unique(A)); out=A(c==1);
oltre 12 anni fa | 3
Risposto
code of euler's method
A simple application of Euler method: Define the function: function E=euler(f,a,b,ya,M) h=(b-a)/M; Y=zeros(1,M+1);...
code of euler's method
A simple application of Euler method: Define the function: function E=euler(f,a,b,ya,M) h=(b-a)/M; Y=zeros(1,M+1);...
oltre 12 anni fa | 1
| accettato
Risposto
To sum functions which have two unknowns and finding the min values of these unknowns
See if this works: F=zeros(200,1); xy=zeros(200,2); BS=rand(4,2); r=rand(200); for ti=1:200 for m=1:4 ...
To sum functions which have two unknowns and finding the min values of these unknowns
See if this works: F=zeros(200,1); xy=zeros(200,2); BS=rand(4,2); r=rand(200); for ti=1:200 for m=1:4 ...
oltre 12 anni fa | 0
Risposto
How to generate a total random 6 by 6 Latin Square?
Look at the following: http://www.mathworks.com/matlabcentral/fileexchange/12315-latsq/content/latsq.m Hope this helps!
How to generate a total random 6 by 6 Latin Square?
Look at the following: http://www.mathworks.com/matlabcentral/fileexchange/12315-latsq/content/latsq.m Hope this helps!
oltre 12 anni fa | 0
Risposto
How to make an anonymous function whose variable is itself a function of another variable?
z = @(phi) cos(phi).^2 + 4*sin(phi).^2 phi = @(x) x.^3 + 4*x.^2 + x +3 z(phi(3))
How to make an anonymous function whose variable is itself a function of another variable?
z = @(phi) cos(phi).^2 + 4*sin(phi).^2 phi = @(x) x.^3 + 4*x.^2 + x +3 z(phi(3))
oltre 12 anni fa | 1
| accettato
Risposto
how to make output a for loop subtract sequentially a data set below it to give sum of differences
Do you want this: b=2; c=1; d=1; n=4; Y=b*c*d*n; X = [10 13 15 12 17 23 26 19]; f = [1 4 8 10 12 16 18 20];...
how to make output a for loop subtract sequentially a data set below it to give sum of differences
Do you want this: b=2; c=1; d=1; n=4; Y=b*c*d*n; X = [10 13 15 12 17 23 26 19]; f = [1 4 8 10 12 16 18 20];...
oltre 12 anni fa | 0
| accettato
Risposto
Breaking a function into components?
Make a function named myfunc as follows: %---------------------- function out=myfunc(a,vec) out=a.*vec; end %----...
Breaking a function into components?
Make a function named myfunc as follows: %---------------------- function out=myfunc(a,vec) out=a.*vec; end %----...
oltre 12 anni fa | 0
Risposto
How to generate an array alternating the values of two others?
A = [1 2 3 4 5 6]; B = [10 20 30 40 50 60 70 80 90 100 110 120 130 140 150]; M1=[A,A,A(1:3)]; M2=B; M=[M1;M2]; Se...
How to generate an array alternating the values of two others?
A = [1 2 3 4 5 6]; B = [10 20 30 40 50 60 70 80 90 100 110 120 130 140 150]; M1=[A,A,A(1:3)]; M2=B; M=[M1;M2]; Se...
oltre 12 anni fa | 1
Risposto
fminunc stopped because it exceeded the function evaluation limit, options.MaxFunEvals = 100 (the default value).
Define the objective function by setting its output with the opposite sign as follows: function F=fun(x) F=-0.2662*x.^6+...
fminunc stopped because it exceeded the function evaluation limit, options.MaxFunEvals = 100 (the default value).
Define the objective function by setting its output with the opposite sign as follows: function F=fun(x) F=-0.2662*x.^6+...
oltre 12 anni fa | 0
| accettato
Risposto
hi am working on a code for gaussian elimination
The correct function is: function [x,U]=gausselim(A,b) % function to perform gauss eliminination %FORWARD ELI...
hi am working on a code for gaussian elimination
The correct function is: function [x,U]=gausselim(A,b) % function to perform gauss eliminination %FORWARD ELI...
oltre 12 anni fa | 1
| accettato
Risposto
How can I solve system of the matrix differential equation within MATLAB?
eqn = 'D2y - A*Dy - B*y = C'; inits2 = 'y(0)=a, Dy(0)=b'; y=dsolve(eqn,inits2,'x') where a and b are the initial or bou...
How can I solve system of the matrix differential equation within MATLAB?
eqn = 'D2y - A*Dy - B*y = C'; inits2 = 'y(0)=a, Dy(0)=b'; y=dsolve(eqn,inits2,'x') where a and b are the initial or bou...
oltre 12 anni fa | 0
Risposto
trying to delete 2 cells of Nans, NOT To delete the row
At least one of the values of JT_S_TN([13,14,15,34,35,36,55,56,57,76,77,78],2) must be equal to 2 and at least one of the ...
trying to delete 2 cells of Nans, NOT To delete the row
At least one of the values of JT_S_TN([13,14,15,34,35,36,55,56,57,76,77,78],2) must be equal to 2 and at least one of the ...
oltre 12 anni fa | 0
Risposto
matlab sovle newton raphson method
Look for the following Newton-Raphson solver in the File Exchange: http://www.mathworks.com/matlabcentral/fileexchange/44315-...
matlab sovle newton raphson method
Look for the following Newton-Raphson solver in the File Exchange: http://www.mathworks.com/matlabcentral/fileexchange/44315-...
oltre 12 anni fa | 0
Risposto
simpsons rule in matlab
a= Initial point of integration interval b= Last point of integration interval n= number of sub-intervals (panels) of in...
simpsons rule in matlab
a= Initial point of integration interval b= Last point of integration interval n= number of sub-intervals (panels) of in...
oltre 12 anni fa | 0
Risposto
a problem with for loop and indexinf
A={Array_1;Array_2;Array_3;Array_4;Array_5;Array_6;Array_7;Array_8;Array_9;Array_10}; for k=1:10 AR{k}=exp(A{k})+A{k...
a problem with for loop and indexinf
A={Array_1;Array_2;Array_3;Array_4;Array_5;Array_6;Array_7;Array_8;Array_9;Array_10}; for k=1:10 AR{k}=exp(A{k})+A{k...
oltre 12 anni fa | 0
Risposto
delete a NAN but leave a zero instead to be later taken out
A=[NaN 0; 1 3; 1 3; 1 3; 2 4; 2 4; 2 4; 3 1; 3 1; 3 1; 4 2; 4 2; 4 2; NaN 0; 5 4]; sizA=size(A,1); A=A(:); ...
delete a NAN but leave a zero instead to be later taken out
A=[NaN 0; 1 3; 1 3; 1 3; 2 4; 2 4; 2 4; 3 1; 3 1; 3 1; 4 2; 4 2; 4 2; NaN 0; 5 4]; sizA=size(A,1); A=A(:); ...
oltre 12 anni fa | 0
| accettato
Inviato
Stroop Test
Test two key cognitive skills, response inhibition and selective attention
oltre 12 anni fa | 2196 download |
Inviato
Fractional differentiation and integration
The n-th order derivative or integral of a function is calculated through Fourier series expansion.
oltre 12 anni fa | 1769 download |
Inviato
General Single Step Single Solve integration algorithm
Direct linear or nonlinear explicit or implicit time integration of structural dynamics problems
oltre 12 anni fa | 1322 download |
Risposto
How to copy a sub-matrix/vector along diagonal of a larger matrix with varying number of sub-matrices?
e = ones(n,1); A = full(spdiags([e 2*e 3*e], 0:2, n, n+2)) A = full(spdiags(A, 0:5, n, n+5)) A = full(spdiags(A, 0:8, n...
How to copy a sub-matrix/vector along diagonal of a larger matrix with varying number of sub-matrices?
e = ones(n,1); A = full(spdiags([e 2*e 3*e], 0:2, n, n+2)) A = full(spdiags(A, 0:5, n, n+5)) A = full(spdiags(A, 0:8, n...
oltre 13 anni fa | 0
Risposto
Correlation: is this correct?
Dear Nuchto, See this: x=rand(4,30); y=10*x+5; corr=sum(zscore(x',1).*zscore(y',1))'/size(x,2) this is different from...
Correlation: is this correct?
Dear Nuchto, See this: x=rand(4,30); y=10*x+5; corr=sum(zscore(x',1).*zscore(y',1))'/size(x,2) this is different from...
oltre 13 anni fa | 0
Risposto
problem during running my "while" loop?
How are X0 and Y1 defined? George
problem during running my "while" loop?
How are X0 and Y1 defined? George
oltre 13 anni fa | 0
Risposto
How to vectorize this loop ?
window_length = 10; X(X==0)=Inf; X_2=repmat(X,1,length(X)-window_length); X_3=triu(X_2,-window_length)-tr...
How to vectorize this loop ?
window_length = 10; X(X==0)=Inf; X_2=repmat(X,1,length(X)-window_length); X_3=triu(X_2,-window_length)-tr...
circa 14 anni fa | 0
Risposto
Matlab Error (Z must be a matrix, not a scalar or vector.)?
Is this what you want? x = -2.5:.1:2.5; y = -2.5:.1:2.5; [X,Y] = meshgrid(x,y); Z = 2*sin(X.*Y); mesh(X,Y,Z) g...
Matlab Error (Z must be a matrix, not a scalar or vector.)?
Is this what you want? x = -2.5:.1:2.5; y = -2.5:.1:2.5; [X,Y] = meshgrid(x,y); Z = 2*sin(X.*Y); mesh(X,Y,Z) g...
circa 14 anni fa | 4
| accettato