Respondida
How do I replace missing data with other values?
isnan is the correct way to detect and replace nans. Rn=radi; Rn(isnan(radi))= ---- something else ----

alrededor de 7 años hace | 0

| aceptada

Respondida
How can I register or rotate series of image in matlab
imregister or imregtform seems like a good choice.

alrededor de 7 años hace | 0

| aceptada

Respondida
parallel computation for a for loop
parfor pi=1:NP*kkk Tempo1 = zeros( p(pi) ,1 ); Tempo1_M = zeros( p(pi) ,1); Tempo2 = zeros(q(pi) ...

alrededor de 7 años hace | 0

| aceptada

Respondida
How to Hybrid two median filters
out = medfilt2(medfilt2(yourImage))

alrededor de 7 años hace | 1

Respondida
fitting a funciton with minimax error
Consider using fminimax.

alrededor de 7 años hace | 1

Respondida
Error using trainNetwork. Unable to read file.
I think it is expecting more traditional types of image files like .jpg,.png, etc.. I think for .mat you need to specify a speci...

alrededor de 7 años hace | 0

| aceptada

Respondida
How to use a for-loop to find the onset (first element) of trials of zeros, ones and twos, in an array of sequences of zeros, ones and twos
No, we're not going to do your homework for you. Go away and leave us alone.

alrededor de 7 años hace | 1

Respondida
Rotation of the circle (points)
Just add an increment to the th th = linspace(0,2*pi,10) + rotation_angle ;

alrededor de 7 años hace | 0

| aceptada

Respondida
Multiply and shift ?
R = ifftshift(xcorr(x,'unbiased'))

alrededor de 7 años hace | 1

Respondida
FFT Peak at Zero
Apply fftshift to your spectrum to see it with DC centered in the plot. x=csvread('230.csv',1,0); rollSpectrum=ffts...

alrededor de 7 años hace | 2

Respondida
Solving compound linear optimization problem
I've never heard of a compound optimization problem but maybe this will help https://www.mathworks.com/discovery/multiobjective...

alrededor de 7 años hace | 1

Pregunta

Is this a bug in lsqcurvefit?
When I run this simple test of lsqcurvefit (this is R2018a), I get errors. opts=optimoptions(@lsqcurvefit,'SpecifyObjective...

alrededor de 7 años hace | 0 respuestas | 1

0

respuestas

Respondida
invalid syntax at '=' . A '(' might be missing a closing ')'
if (f == 0) and same thing in this line if(~isinteger(NMAX) || NMAX == 0 || ischar(NMAX))

alrededor de 7 años hace | 0

| aceptada

Respondida
How to save vectors with different lengths
One way is to use cell arrays C={1,[2,3],[4,5,6,7]}

alrededor de 7 años hace | 0

Respondida
fitting 2 variable function to (x-1) form
My fit is completey messed up, and it looks nothing like the data. It shouldn't look like the r and eta data, because that's no...

alrededor de 7 años hace | 1

| aceptada

Respondida
Image registration of two different imaging moralities
That sounds like a very unusual registration problem, but if you have a model that relates the CT image to the microscopy image,...

alrededor de 7 años hace | 0

Respondida
How to preprocess this image.?
PI=I; PI(~CH_objects)=255; imshow(PI); title('Preprocessed Image');

alrededor de 7 años hace | 0

| aceptada

Respondida
how to extract the first three elements present in each row of a matrix
B=A(:,1:3)

alrededor de 7 años hace | 1

| aceptada

Respondida
max min optimization using inbuilt MATLAB function fminimax
The outside negative sign only matters if you care about calculating the optimal fval [x,fval] = fminimax(------) fval=-fval; ...

alrededor de 7 años hace | 1

Respondida
Unable to perform assignment because the left and right sides have a different number of elements.
k(i) = (4/pi) * (1/(2*i+1)) * sin( ((2*i+1)* pi.* t(i))/T );

alrededor de 7 años hace | 1

| aceptada

Respondida
Fit multiple sets of data with same function model to get optimal global parameter using lsqcurvefit
This might be what you mean - ExtraData.R=R; ExtraData.G=G; ExtraData.pks_locs1=pks_locs1; ExtraData.pks_locs2=pks_...

alrededor de 7 años hace | 0

| aceptada

Respondida
Not Enough Input Arguments in fsolve
function myProblem options = optimset('display','off') x = fsolve(@fun,[2 3.5],options) X = x(1) Y = x(2) fun...

alrededor de 7 años hace | 0

| aceptada

Respondida
My textbook gave me code that has an error I don't know how to fix
alt and flag must be scalars.

alrededor de 7 años hace | 0

| aceptada

Respondida
Reducing a vector size when it is being updated in a loop
for h=5:-1:1 %code to load all script files if h==1 A = dlmread("Trial 1"); elseif h==2...

alrededor de 7 años hace | 1

| aceptada

Respondida
How can I go back to the beginning of my program first line by a command?
keepGoing=true; while keepGoing answer=input('Do you wish to continue [yes/no]','s'); keepGoing=(answer=...

alrededor de 7 años hace | 0

Respondida
Classdef get methods: allowing get indexing into an array of length either (1x1) or (Nx1).
You would need to overload subsref, e.g., methods function out=subsref(obj,S) if S(1).type=="." && S(1).subs{1}=="A" &&...

alrededor de 7 años hace | 0

| aceptada

Respondida
(x²+y²+z²)dx-(2xy)dy-(2xz)dz=0
Easy. x=0; y=0; z=0;

alrededor de 7 años hace | 1

Respondida
Help with fmincon function
First of all, let's fix your code. g = @(u) 30*u(1) + (20/2)*(u(2))^2 + (20/2)*(u(3))^2 + (10/2)*(u(4))^2 + (40/2)*(u(5))^2; ...

alrededor de 7 años hace | 1

| aceptada

Respondida
Plot with linspace and for loop - what is wrong with this code?
plot(r,X,'o');

alrededor de 7 años hace | 0

Respondida
Why dir function is creating additional files while creating a structure? how to ignore it?
Do a more specific search, like files = dir('folder/*.jpg'); Or, just throw the first 2 away files = dir('folder'); files(1:...

alrededor de 7 años hace | 0

| aceptada