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# aa

Last seen: 3 maanden ago Active since 2020

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How to compute the lag time between single day cross-correlation
Dear Matlab members, What I did: I compute the noise cross correlation (CC) for daily temprature (365 days with 12 hours se...

7 maanden ago | 1 answer | 1

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Question

Hourly observation for date/time?
Hi everyone, I have two data-time (formate YYYY-MM-DDTHH:MM:SS) data sets (date-set 1: consists of 164 observations, data-se...

9 maanden ago | 0 answers | 0

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Question

How to design a data kernel of two point average?
Hi everyone, I am working on the data kernels for different wighting functions. The code and the output shown below is a dat...

9 maanden ago | 0 answers | 0

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How to plot Probability density function using equation?
Hi everyone, I have a vector (10000 by 1). I required to plot the probability density functtion using the equation and condiat...

10 maanden ago | 0 answers | 0

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Question

How to compute the frequency of hourly/daily observation?
Hi everyone, I want to compuet the hourly/daily number of observations. My data consistes of six colums (YYYY MM DD HH MM SS...

10 maanden ago | 1 answer | 0

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Question

How to extract the data using inpolygon function ?
Hi everyone, May some one help me here ... I have data in three colums. (1) x-coordinate; (2) y-coordinate; and (3) z-value (...

10 maanden ago | 1 answer | 0

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Question

How to make a composite probability density plot?
Hi everyone, May someone help me here ... I have data in two columns, I am interested to make a probability density plot (his...

11 maanden ago | 0 answers | 0

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Question

How to pick data with fix moving window ?
Hi everyone, May someone help me here... I have a 366 data points. I am interested to pick 60 data points each time with a shi...

11 maanden ago | 1 answer | 0

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Question

How to randomly select sub-sets from an array?
Hi everyone, May someone help me .. I have data in text file (51360 enteries) attached here. How can I select 1000 random sub...

12 maanden ago | 1 answer | 0

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Question

How to calculate hourly observation?
Hi everyone, May someone help me here ... I have data in two columns, Hour and Minuts. I have to calculate the hourly numbe...

12 maanden ago | 1 answer | 0

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Question

How to calculate the hourly data points?
Hi everyone, May someone help me here .. I have a long data in time-date formate i.e. six columns YYYY MM DD HH MM SS. Each t...

ongeveer een jaar ago | 1 answer | 0

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Question

How to calculate the number of occurrences per hour with respect to specific data value
Hi everyone, May someoen help me ... I have two difrenty data sets consistes of time values (YYYY/MM/DD/HH/MM). I want to com...

ongeveer een jaar ago | 0 answers | 0

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Question

How to fixed the issue of variable data length ?
Hi everyone, May somone help me ... Might be my problem is very puzzling... I have same type of data in two diffrent files wi...

ongeveer een jaar ago | 1 answer | 0

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Question

Bootstrap statistics for multiple column data with varies data points ?
Hi everyone, May someone help me here ...I have data in columns (51 columns) y = load('Bootstrap_data.txt'); nBoot = 1000; ...

ongeveer een jaar ago | 0 answers | 0

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Question

How to solve an equation using numerical solver in Matlab?
Hi everyone, I want to solve this equation using numerical solver. I have value of R and want to calculate the coressponding va...

ongeveer een jaar ago | 1 answer | 0

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Question

How to pick the values from individual grids ?
Hi everyone, May someone help me here ,, My data set is consists of three paramateres ... x, y and z .. the x, y paramteres a...

ongeveer een jaar ago | 1 answer | 0

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Question

How to plot a line graph (x,y) with a color bar representing z-axis...
I have data in multiple y and z axis... x-axis is fixed while y-axis is varying with eah value of x and z is fixed for each (x,...

ongeveer een jaar ago | 1 answer | 0

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Question

Ellipse and circle plot
May someone help me here I want to plot an ellipse with origin at (0,0) and semi major axis 2 in horizontal direction and an ...

ongeveer een jaar ago | 1 answer | 0

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Question

how to generate a sin function of time ....
how to generate a sine function of time with 1024 second long ... and generate 8 full cycle over this interval ....

ongeveer een jaar ago | 1 answer | 0

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Question

Comparison of entries of one data set (just one column) with multiple columns of second data set
Hi everyone, May someone help me here... The picture below represent what I want to get. I think this needs 2 to 3 for loops ...

ongeveer een jaar ago | 1 answer | 0

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Question

Data picking from grid
I have data in three column (x,y,z) I want to pick the values of z in each grid ... For exmaple, in fiure, the values of x are...

ongeveer een jaar ago | 1 answer | 0

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Question

How to split an array?
Hi everyone, May someone help me. I have data in column and want to split this in two set by the condition of third point: F...

ongeveer een jaar ago | 1 answer | 0

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Question

How to calculation the difference of a number in a column?
Hi everyone, May someone help me.. I have data in multiple columns. That is required to compare with another column in such a...

ongeveer een jaar ago | 1 answer | 0

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Question

How to make a grid plot with 3 parameters
Hi everyone, May some one help me, I have data in (x,y,x). I want to plot z in teh grid of x,y with a shift of 0.01 (Detai...

ongeveer een jaar ago | 1 answer | 0

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Question

Use of for loop for multiple columns
Hi everyone, May someone help me. The code presneted here is work well. I need to modified this for n number of columns (a=s(...

meer dan een jaar ago | 1 answer | 0

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Question

Random picking of adjacent data points
Hi, May someone help me I have data in one column and want to randomly pick adjacent 48 data points for 1000 times. For exam...

meer dan een jaar ago | 2 answers | 0

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Question

use of ismember command and change of corresponding
Hi everyone, May someone pleas help me I want to compare two data set and if match exit then changes the coresspoanding value...

meer dan een jaar ago | 1 answer | 0

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Question

Colour plot using single x, y and multiple z values
Hi everyone, I have data with single x-axis, singel y-axis and multiple z-axis. I want to plot the values of z againts x-y in ...

meer dan een jaar ago | 1 answer | 0

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Question

Time windows and time shift in an array of data
I have an array of data [1:120] and want to calculate sum of the elements in diffrent time windows and diffrent time shifts. For...

meer dan een jaar ago | 0 answers | 0