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Awarded to kjetil87 on 20 Jul 2017
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Feeds
Question
Matlab suddenly crashes/exits with no error msg.
I have recently had a problem with Matlab suddenly exiting. I have not identified a spesific action that will make it close but...
presque 10 ans il y a | 1 réponse | 0
1
réponseHow to get a sum of a series
t = 3:100; sumY=0; for i=0:2 sumY = sumY+sum(A(1+i)*X(t-i)) ; end like this?
environ 10 ans il y a | 1
| A accepté
problem to arrange rows and columns with fprintf into world
Your are missing one of the numbers/chars . v is 3x4 not 3x3.
environ 10 ans il y a | 0
| A accepté
Writing new column in Text file
As far as i know, there is no possability of writing in the middle of a file and have the rest of the data just shift along (cor...
plus de 10 ans il y a | 0
Error using horzcat in a for loop
horzcat concatinates arrays in horizontal direction i.e x = [a , b] is horzcat. when you call B=[(1:p-1)' ,z] your are calling ...
plus de 10 ans il y a | 0
| A accepté
how to escape,reading line that starts with special character in a text file.
fid=fopen(filename); if(fid<0);error('unable to open file');end y=cell(500,1);%allocate some space, if you alloc...
plus de 10 ans il y a | 0
Generic code to import data from set of txt files?
To find all .txt files in a directory use: myDir = 'C:\iHaveStoredSomethingHere\'; %last backspace is important! di...
plus de 10 ans il y a | 0
sampling rate and the filter output improvement
300 samples sounds about correct from fvtool. Try adding a trail of 300 zeros after your signal. Or get the filering method you ...
plus de 10 ans il y a | 0
Usage of downsample function in 2012b
Undefined function means that the function does not exist, so parhaps there is a small typo in your call? Is the signal proc...
plus de 10 ans il y a | 0
How to run a code for several files also how to stop the code for a specific number of files and give output?
PATH = 'C:\myFilesAreHere\'; %remember the last \ files=dir([PATH,'*.dat']) ; %get info about all files in PATH that e...
plus de 10 ans il y a | 1
| A accepté
How do I extract surface plot data from a figure?
x=1:5; y=1:5; z=randn(5,5); fprintf('z was : \n'); disp(z); figure;surf(x,y,z); clear all ch=get(...
plus de 10 ans il y a | 0
How to find the crosspoint of two curve
If i have done this correctly this should give you the first point in yy before each zero crossing. y=[-0.1227 0.0581 0.0...
plus de 10 ans il y a | 0
Question
intel c++ composer 2011 with SKD 7.1 and R2013a
So i am trying to use the intel c++ composer XE 2011 (update 13) together SDK 7.1 to compile matlab mex functions. According t...
plus de 10 ans il y a | 2 réponses | 0
2
réponsesHow to Sum Certain Values in Matrix A Based on Values of Matrix B in a Loop
Im not a 100% sure if this is what you asked for but ill have a go at it =) A=[0:23;... %hours 0 to 23 rand(15,24)];...
plus de 10 ans il y a | 0
| A accepté
loop until condition met
Vo = [30 15 13 10];% initial V old to calc Re and f. MaxIter=1e10; % Cntr=0; while true Cntr=Cntr+1; % ...
plus de 10 ans il y a | 0
| A accepté
Area under autocorrelation function.
Initially i thought the previous answer was ok, but when reading your entire post you specified that you needed the FIRST positi...
plus de 10 ans il y a | 1
loop until condition met
A while loop is what you are looking for it seems. while ~all([Va==Vo,Vo==Vn]) %your code end
plus de 10 ans il y a | 0
How to mark local peak values of a signal an count them? Matlab GUI
try this one? <http://www.mathworks.se/help/signal/ref/findpeaks.html> if you end up marking to many peaks, try playing ar...
plus de 10 ans il y a | 0
| A accepté
How are vector - vector products calculated?
It is different, if you type type dot You will see that the actual computation done in dot after all the dimension check...
plus de 10 ans il y a | 3
| A accepté
Question
Editor , undocking into two GROUPS
Hi, everyone! I was wondering if there was a way to undock say 50% of the open .m files and group them together? As of now i...
plus de 10 ans il y a | 1 réponse | 0
0
réponseQuestion
c++ shared library startup options
Hi everyone. I have a question regarding compilation of c++ shared libraries and multithreading. When creating a standalone ...
plus de 10 ans il y a | 1 réponse | 0
1
réponseHow to remove this error??
You are indexing h as h(k+1,1) That way when k=80 you are assigning a new value to h(81)=h(80,1)-10; And thus t...
plus de 10 ans il y a | 0
WHEN I RUN THIS CODE IT AGAIN AND AGAIN GIVE THIS PROBLEM THAT IS 'Index exceeds matrix dimensions.'
You are declaring PopM as PopM=[]; Then your are telling matlab to acces element i and j of this matrix, but this matri...
plus de 10 ans il y a | 0
Doubt on Covariance matrix of 3 vectors in MATLAB
You are correct about the diagonal elements var(x) , var(y) and var(z). But the off axis computations is not correct. When you ...
plus de 10 ans il y a | 1
| A accepté
how to make a variable name from a string
The error should not appear, your code looks to work exept for the part of 'data' , should this instead be value? test='eye...
plus de 10 ans il y a | 0
| A accepté
matching matrices sizes using if statements
A=[ 1 2 3;... 4 5 6;... 7 8 9]; B=[4 5 8;... 1 2 7]; [ma,na]=size(A); [mb,nb]=size(B); ...
plus de 10 ans il y a | 0
| A accepté
Sorting a vector with another vector of multiple maximums
Im not a 100% sure if this is what you are asking for, but as for checking for multiple maximums you are actually already doing ...
plus de 10 ans il y a | 1
| A accepté
Question
Assigning single processor core in script
Hi, i am looking for a way to assignt a single core from within matlab. i.e something like: %% my script: clc; cle...
plus de 10 ans il y a | 1 réponse | 0
0
réponsehow to get the string inside exist ?
exist([num2str(val),'.png'],'file')
plus de 10 ans il y a | 1
| A accepté
how can i simplify this for loop?
a=[]; t=zeros(5,2); for i=1:2 t(:,1)=(1:5)+i; t(:,2)=(2:6)+2*(1:5); a=[a;t]; end disp(a) Y...
plus de 10 ans il y a | 0
| A accepté
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