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Ernest Adisi


Active since 2018

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how to import multiple file and calculate a mean?
I have this code which works fine. it take one file and reshapes into matrices to plot a contour. i now want multiple files to i...

más de 3 años ago | 1 answer | 0

1

answer

Question


How do I make an average of points ?
Hi, say I have an 11*10 matrix and for every point in the 6th row, I want matlab to take an average of the surrounding points an...

más de 3 años ago | 2 answers | 0

2

answers

Question


How do I rotate contour plot?
I want this contour image to have the wake moving from left to right with y, along the x axis, and conversely x along y. I've ma...

más de 3 años ago | 1 answer | 0

1

answer

Question


reshape a column vector in a row-wise direction?
if I have column vector A= 1;2;3;4;5;6;7;8;9;10 how do I get matlab to reshape it in the row wise direction so it becomes ...

más de 3 años ago | 1 answer | 0

1

answer

Question


how do i write a for loop to eliminate point under a certain value?
hi, i want to omit all points under a certain value for a series of plots as shown. would it be something like for i=100:...

más de 3 años ago | 1 answer | 0

1

answer

Question


how to calculate rms of fluctuation velocity
I have an m*n*a matrix of my fluctuation velocity where a is the number of imported files which gives me a time series of veloci...

más de 3 años ago | 1 answer | 0

1

answer

Question


rotate my countour plot without changing the axes
I have this plot which is fine, although, I want to rotate it 180 degrees; I tried the rotate function but get the following. ...

más de 3 años ago | 2 answers | 0

2

answers

Question


Why was my code working then error message appears?
ive been using this code to run perfectly, but all of a sudden I get an error in the plotting that i dont understand can anyone...

más de 3 años ago | 1 answer | 0

1

answer

Question


how to create a mean velocity matrix from multiple .dat files and plot the mean profile?
I have a folder of x no of *.dat files. So far I've imported 1 file and reshaped the columns to get matrices for each column. e...

más de 3 años ago | 1 answer | 0

1

answer

Answered
How do i use for to populate matrix
hey, thanks resolved it before. works fine now

más de 3 años ago | 0

Question


obtain matrix for multiple files
I have this code which reshapes column vectors from the file 'B00049' into 4 different matrices for x y u v now i want to scale ...

más de 3 años ago | 0 answers | 0

0

answers

Question


How do i view the velocity profile
I have this code which has reshaped column vectors into matrices, i now want to find the velocity profile for x,y,u,v how do i d...

más de 3 años ago | 1 answer | 0

1

answer

Question


How do i use for to populate matrix
iv'e run this code bust i get the error message below. Index exceeds matrix dimensions. Error in Import_dat_files (line 20) ...

más de 3 años ago | 2 answers | 0

2

answers

Question


How to build a matrix from information in multiple matrices
I have this file from which I made 2 separate matrices X and y using the 1st and 2nd columns. I now want to create a 3rd matrix ...

más de 3 años ago | 1 answer | 0

1

answer

Question


Pulling specific data from 2 different matrices, and starting a new matrix
I have a global matrix A of 4 column vectors and i've subsequently constructed 2 separate matrices X and Y from the 1st 2 column...

más de 3 años ago | 0 answers | 0

0

answers

Question


import sequential files using for loop and sprintf
i'm trying to import sequential files with filename format B00001.dat to B00050.dat. Im reading the 'sprintf' function but don't...

más de 3 años ago | 1 answer | 0

1

answer

Question


hoe to import *.dat file to matlab ?
i'm trying to import the *.dat file into matlab but, it seems to have worked but the numerical values haven't appeared as expect...

más de 3 años ago | 0 answers | 0

0

answers

Question


How to load this .dat file data into matrix format?
VARIABLES = "x", "y", "displacement-x", "displacement-y" ZONE T="Frame 0", I=214, J=134 6.000000 6.000000 0.868404 -6.4383...

más de 3 años ago | 1 answer | 1

1

answer

Question


load multiple .dat files into matlab in matrix form
I have a folder of N .dat files that I want to load in matrix form. They all have the filename form B000XX.dat where XX are chan...

más de 3 años ago | 1 answer | 0

1

answer