jgg
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已回答
How to convert a string to a variable useable in a script?
I think you're like 99% of the way there. Z11='haar_net_scg_in1_2obsrv'; yfit11 = eval(strcat(Z11,'(Ind_vald)'); Thi...
How to convert a string to a variable useable in a script?
I think you're like 99% of the way there. Z11='haar_net_scg_in1_2obsrv'; yfit11 = eval(strcat(Z11,'(Ind_vald)'); Thi...
8 years 前 | 0
| 已接受
已回答
How to optimize this program using a for loop?
As far as I can tell, you're just doing this: fm1 = ifft(fft(fx)/norm(fx).*y); figure(1) plot(abs(fm1)) fm2 = if...
How to optimize this program using a for loop?
As far as I can tell, you're just doing this: fm1 = ifft(fft(fx)/norm(fx).*y); figure(1) plot(abs(fm1)) fm2 = if...
8 years 前 | 0
| 已接受
已回答
How to set linspace to infinity
No, this isn't possible because <http://www.mathworks.com/help/matlab/ref/linspace.html linspace> generates a uniformly spaced v...
How to set linspace to infinity
No, this isn't possible because <http://www.mathworks.com/help/matlab/ref/linspace.html linspace> generates a uniformly spaced v...
8 years 前 | 0
| 已接受
提问
Creating a block matrix of matrices?
I have a problem where I'm trying to create a matrix of the form [A B 0 0; 0 A B 0; 0 0 A B; 0 0 0 A]; However, this is i...
8 years 前 | 2 个回答 | 1
2
个回答已回答
Too many input arguments error. Matrix variable as input to objective function. Using ga algorithm.
As you've written it, your objective function does not take in any inputs. It needs to take in the point to be evaluated and ret...
Too many input arguments error. Matrix variable as input to objective function. Using ga algorithm.
As you've written it, your objective function does not take in any inputs. It needs to take in the point to be evaluated and ret...
8 years 前 | 0
| 已接受
已回答
How do you store all return values from a while loop in a vector in matlab ?
You can just store it as a vector: vector_choice_breakfast = cell(1000,1); count = 1; while breakfast_choicerep == 'Y' ...
How do you store all return values from a while loop in a vector in matlab ?
You can just store it as a vector: vector_choice_breakfast = cell(1000,1); count = 1; while breakfast_choicerep == 'Y' ...
8 years 前 | 0
已回答
problem with matlab when trying to use a condition
You've opened a scoped environment. In order to end the scope, you need to use |end|: if i == 1 % do stuff end If y...
problem with matlab when trying to use a condition
You've opened a scoped environment. In order to end the scope, you need to use |end|: if i == 1 % do stuff end If y...
8 years 前 | 0
已回答
Why is My Code Running So Slowly?
Try using the profiler, as per isakson recommends. This will give you an idea of what is taking up your time. MATLAB will use ...
Why is My Code Running So Slowly?
Try using the profiler, as per isakson recommends. This will give you an idea of what is taking up your time. MATLAB will use ...
8 years 前 | 0
| 已接受
已回答
OLS regression for bootstrapped data
To answer your question based on my comment. The command |Y = A(:,i)| selects the |i|-th column from the |A| matrix, so this wi...
OLS regression for bootstrapped data
To answer your question based on my comment. The command |Y = A(:,i)| selects the |i|-th column from the |A| matrix, so this wi...
8 years 前 | 0
| 已接受
已回答
How do I compare between 10 groups on a Ttest2?
Let's suppose you have them labeled |v1|, |v2|, ..., |v10| and they're the same size |n|. (If they're not the same size, use a ...
How do I compare between 10 groups on a Ttest2?
Let's suppose you have them labeled |v1|, |v2|, ..., |v10| and they're the same size |n|. (If they're not the same size, use a ...
8 years 前 | 0
已回答
How to integrate SS y*exp(x) dxdy using matlab?
I think this should work; you want the |integral2| function. fun = @(x,y)(x.*exp(y)); ymin = @(x)(x/4); ymax = @(x)(...
How to integrate SS y*exp(x) dxdy using matlab?
I think this should work; you want the |integral2| function. fun = @(x,y)(x.*exp(y)); ymin = @(x)(x/4); ymax = @(x)(...
8 years 前 | 0
| 已接受
已回答
How to output multiple results via function
Do you mean from the function |fun|? It's pretty easy: function [f,yl,otherstuff] =fun(y,lambda) [y,fval]=fmincon(@...
How to output multiple results via function
Do you mean from the function |fun|? It's pretty easy: function [f,yl,otherstuff] =fun(y,lambda) [y,fval]=fmincon(@...
8 years 前 | 0
| 已接受
已回答
Define a text string and use in variable name throughout script
You can do this using the eval command, but you should AVOID it if possible. If there's any way to change the way those matrice...
Define a text string and use in variable name throughout script
You can do this using the eval command, but you should AVOID it if possible. If there's any way to change the way those matrice...
8 years 前 | 0
已回答
Using table in MATLAB 2012
Matlab 2012 doesn't support the |table| function; it was implemented in R2013b. If you want to use that function, you will ne...
Using table in MATLAB 2012
Matlab 2012 doesn't support the |table| function; it was implemented in R2013b. If you want to use that function, you will ne...
8 years 前 | 0
已回答
questions related with tic and toc ?
1) They're the sounds a mechanical clock makes. Tick, tock, tick, tock as the pendulum swings back and forth. 2) The value o...
questions related with tic and toc ?
1) They're the sounds a mechanical clock makes. Tick, tock, tick, tock as the pendulum swings back and forth. 2) The value o...
8 years 前 | 0
| 已接受
已回答
Parpool time to launch excessive
I'm going to answer this question for myself, approximately. It seems the issue was not specific to the MATLAB2014b compiler;...
Parpool time to launch excessive
I'm going to answer this question for myself, approximately. It seems the issue was not specific to the MATLAB2014b compiler;...
8 years 前 | 1
| 已接受
已回答
How do i improve this loop?
Your approach should work. Try this instead: Image3 = randn(10,10,3)+355; %example data mask = Image3(:,:,1) > 350 & Imag...
How do i improve this loop?
Your approach should work. Try this instead: Image3 = randn(10,10,3)+355; %example data mask = Image3(:,:,1) > 350 & Imag...
8 years 前 | 0
已回答
function handle producing different output
Not sure what the deal is, but this works: A_vals = A(0.1:0.01:1); vals = 0.1:0.01:1; B_vals = B(0.1:0.01:1); plot(val...
function handle producing different output
Not sure what the deal is, but this works: A_vals = A(0.1:0.01:1); vals = 0.1:0.01:1; B_vals = B(0.1:0.01:1); plot(val...
8 years 前 | 0
已回答
How to Solve a System of Equations with Multiple Variables
You can do this using numerical optimization by setting up an equation in which the objective function is the norm of the equati...
How to Solve a System of Equations with Multiple Variables
You can do this using numerical optimization by setting up an equation in which the objective function is the norm of the equati...
8 years 前 | 0
提问
Parpool time to launch excessive
Hello everyone I'm working with a large server which is running a large computation. I've been trying to speed this up using...
8 years 前 | 3 个回答 | 0
3
个回答已回答
I need to make a set of 2000 random numbers between 0 and 1, with a mean of 0.5, with most of the numbers being either high or low (bimodal distrubution with peaks at 0 and 1)
m = randi([0,1],2000,1); r = abs(randn(2000,1)); r = r - min(r); r = r./max(r); num = m; num(m==0) = 0 + r(m==0); n...
I need to make a set of 2000 random numbers between 0 and 1, with a mean of 0.5, with most of the numbers being either high or low (bimodal distrubution with peaks at 0 and 1)
m = randi([0,1],2000,1); r = abs(randn(2000,1)); r = r - min(r); r = r./max(r); num = m; num(m==0) = 0 + r(m==0); n...
8 years 前 | 0
已回答
How GlobalSearch optimization method works?
Basically, GlobalSearch takes a problem you've defined, which consists of an objective function and a solver, then repeatedly ru...
How GlobalSearch optimization method works?
Basically, GlobalSearch takes a problem you've defined, which consists of an objective function and a solver, then repeatedly ru...
8 years 前 | 0
| 已接受
已回答
Student or Education License, which?
It really depends on what you're trying to do. The Student license, if you have access to the license through your university, ...
Student or Education License, which?
It really depends on what you're trying to do. The Student license, if you have access to the license through your university, ...
8 years 前 | 1
| 已接受
已回答
What does command 'rng default;' do?
When Matlab generates random numbers, they're not truly random; they are based on a pseudo-random number generating algorithm. ...
What does command 'rng default;' do?
When Matlab generates random numbers, they're not truly random; they are based on a pseudo-random number generating algorithm. ...
8 years 前 | 13
已回答
Undefined function or variable 'S', help!
You never define |S| in your function. You probably want something like this: function euler(func,S0,dt,t0,tf) % Time inte...
Undefined function or variable 'S', help!
You never define |S| in your function. You probably want something like this: function euler(func,S0,dt,t0,tf) % Time inte...
8 years 前 | 0
已回答
How to remove some certain rows in Matlab?
Ah, I think I understand: the first column are IDs or something. This should work, using the |ismember| function with the |rows...
How to remove some certain rows in Matlab?
Ah, I think I understand: the first column are IDs or something. This should work, using the |ismember| function with the |rows...
8 years 前 | 0
已回答
How to (1) accept user input while (2) keeping track of the number of character keys being pressed?
I think you can do it by making a customized version of |GetEchoString|. I don't have the toolbox, but the code looks simple <h...
How to (1) accept user input while (2) keeping track of the number of character keys being pressed?
I think you can do it by making a customized version of |GetEchoString|. I don't have the toolbox, but the code looks simple <h...
8 years 前 | 2
| 已接受
已回答
Random multiply by negative one
Try this: A = [1,-1]; rand_nums = A(randi([1,2],22528,1000));
Random multiply by negative one
Try this: A = [1,-1]; rand_nums = A(randi([1,2],22528,1000));
8 years 前 | 0
已回答
Fitting using fit - i can't fit function without one constant [SOLVED]
Try this: %xdata = ...; %load your data %ydata = ... Le = 0.00025; Rm = 2.649; Mm = 0.00002; Cm = 0.00016; Bl = 10.5;...
Fitting using fit - i can't fit function without one constant [SOLVED]
Try this: %xdata = ...; %load your data %ydata = ... Le = 0.00025; Rm = 2.649; Mm = 0.00002; Cm = 0.00016; Bl = 10.5;...
8 years 前 | 0
已回答
how do i copy figure in linux
Try this: bar(1:10) %whatever your figure is print('BarPlot','-dpng') There are other options here: http://www.mat...
how do i copy figure in linux
Try this: bar(1:10) %whatever your figure is print('BarPlot','-dpng') There are other options here: http://www.mat...
8 years 前 | 0
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