Yona

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Error in loading data from AWS S3
I tried to get a files from a bucket i creat in S3 I use a code i saw in different places: setenv('AWS_ACCESS_KEY_ID', <...

mer än 6 år ago | 2 answers | 1

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answers

Answered
plots working on matlab 2013b but not on 2016b
The plot system was change in 2014b and some function are not compatible. You need to review all your plots and update it. re...

nästan 8 år ago | 0

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How I can find the directory the script or function running now is
I am running a script and i want to know the path it is with out using the script name. The path is in 'matlabpath' so by usi...

nästan 8 år ago | 1 answer | 0

1

answer

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Compile a file in windows to run on MAC os or UBUNTO
I am using MATLAB Compiler to create a program in my PC (win 8). It create a .exe file that i can run on another windows PC. ...

nästan 8 år ago | 1 answer | 0

1

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How can i make program for method of iteration ...please help me out .. equation is X^3-2x=1
you need to find a function of X from your equation for your example X^3-2X=1 you get X(X^2-2)=1 and then X=1/(X^2-2) so ...

ungefär 8 år ago | 0

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How to merge excel files?
This code will work, If you have the same number of column in the same sheets (all sheet1s have the same columns number, ext.) ...

nästan 9 år ago | 1

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select string by condition
if i want select value by condition i can write (a==1)*3+(a~=1)*5 when a will get 3 if a is 1 or 5 if not. can i do s...

nästan 10 år ago | 1 answer | 0

1

answer

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How can I count the number of elements of a given value in a matrix?
first use <http://www.mathworks.com/help/matlab/ref/floor.html floor> to round it. after this run double loop, one on latitud...

nästan 10 år ago | 0

Question

bug in zoom in timeseries plot
before i report a bug i want to ask if someone have a problem with the zoom button on a timeseries plot. i create a time-seri...

nästan 10 år ago | 0 answers | 0

0

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How Can I Assign variable Name?
you can use <http://www.mathworks.com/help/matlab/ref/eval.html eval> function.but it not recommended. and you cannot use / in ...

nästan 10 år ago | 0

Answered
create new matrix with special structure
The simple way: for j=0:2:m-1 for i=1:n newmatrix(1+j,2*i-1:2*i)=p(j+[1 2],1); end end

nästan 10 år ago | 0

Answered
Concatenate two cells into another
do you try to use <https://www.mathworks.com/help/matlab/ref/strcat.html strcat>? It allow you to concatenate two cells. ...

ungefär 10 år ago | 0

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i dont know why my code is not working..
plot(f,Pyy(1:2^(N-1))); the length of pyy in 14 so you cannot take cell number 16384 (2^13). another problem: length(f)=81...

ungefär 10 år ago | 0

Answered
Save figures in a subfolder after 2 for loops?
use <http://www.mathworks.com/help/matlab/ref/mkdir.html mkdir> to create a folder and change the folder name you save on to the...

ungefär 10 år ago | 0

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Question

using xlsread for cell variable
I have a data store in .csv files. in the data i have vector of number that i want get in cell not in string (and some more data...

ungefär 10 år ago | 2 answers | 0

2

answers

Question

save an excel file to be read only
can we save data on excel file (by xlswrite function or other way) and define the file to be read-only from matlab?

ungefär 10 år ago | 2 answers | 0

2

answers

Question

find n-st element that meet a logical expression
I have 2 question: 1) find function can give the all n-th element (first or last) that meet a logical expression. i want only t...

ungefär 10 år ago | 1 answer | 0

1

answer

Answered
Function to aggregate data
first you don't need to put them together, you just need to track the line you want and take them from the second matrix (for ex...

ungefär 10 år ago | 0

Question

dynamic y-tick label
It have a way to save the y-tick to be dynamic and decide what will be the label format. In default is show 5 number, i want to...

ungefär 10 år ago | 1 answer | 0

1

answer

Question

save size of Matlab environment variable
Hi, I have some question about the presentation of variable in Variables window. 1) I have a matrix with 18 Column. when ...

ungefär 10 år ago | 1 answer | 0

1

answer

Question

It is possible to find all m-file i call to another m-file?
my problem is that i create a function and call it in several programs (m-files), now i find a better way and change the functio...

ungefär 10 år ago | 1 answer | 0

1

answer

Answered
Problem in using the "While" loop function
you need to define all variables. n(1)=n0; while 1 if n(end) <=0 break; end n(end+1)=n(end)-S*exp(...

mer än 10 år ago | 0

| accepted

Answered
plotting using data from a cell array
you can use <http://www.mathworks.com/help/matlab/ref/bar.html bar> and specify xlabel name. figure name = {'m1';'m2';'m...

mer än 10 år ago | 0

Answered
Help: XLSREAD with an unpsecified number of colums
you can defined it in string. for example if you have 4: N=4; st = ['A1:E' num2str(N)]; inputdata=xlsread('c:\thm....

mer än 10 år ago | 1

Answered
I having two time series one is monthly and another one is in daily, now i need to average the daily time series to the particular time values of monthly time series
find the value of middle of month by m=1:12; d=[1 0 1 0 1 0 1 1 0 1 0 1]; mid = datenum(0,m,15+d)/365 when m is th...

mer än 10 år ago | 0

Answered
How to find common time between two time series
tc.time give you all times in time serie in array. so you can find common data between 2 array. for this you can use <http://...

mer än 10 år ago | 0

Answered
How to delete multiple rows from an excel file?
when you import data by xlsread function, you get 3 matrix. one of numbers, one of text and one with both of them and it is a ce...

mer än 10 år ago | 0

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Question

sum of vector by group
i have a vector of numbers a=[1 4 1 -3 -6 9 9 1 1 1 -1 -1 -4] and i group them by their sign (i don't have zero, only po...

mer än 10 år ago | 1 answer | 1

1

answer

Answered
How to fix the error?
you start by l=0.3; and you put this value in k k=l; and because k>1 you do yp(k,:)=y(size(y,1),1:2); bu...

mer än 10 år ago | 0

| accepted

Answered
How to find fifth value after somewhere in a series OR the end of the series, whichever comes first?
you can add max from 1 and 5 before the min and the min from end and 5 after the min. xrangemin=xdata(max(1,find(xdata==x...

mer än 10 år ago | 0

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