Answered
How can I study Autocorrelation function of common inputs?
you can simply generate your own vectors in matlab and do some studying e.g. rectPulse = [zeros(1,10) ones(1,15) zeros(1,10)];...
How can I study Autocorrelation function of common inputs?
you can simply generate your own vectors in matlab and do some studying e.g. rectPulse = [zeros(1,10) ones(1,15) zeros(1,10)];...
3 years ago | 1
Submitted
MRAW reader GUI with image enhacement and sub pixel tracking
Loads Photron mraw files, allows fluent preview, image-wise spectral filtering, binomial filtering and temporal median filtering...
3 years ago | 1 download |
Answered
I need to change a graphic without using unwrap
you can unwrap manually. if you have data x and y myWrapThr=-150; dy=diff(y); dy(dy<myWrapThr)=dy(dy<myWrapT...
I need to change a graphic without using unwrap
you can unwrap manually. if you have data x and y myWrapThr=-150; dy=diff(y); dy(dy<myWrapThr)=dy(dy<myWrapT...
3 years ago | 0
Answered
define color range in scatter plot
i do not fully understand, you want to use the pallett for split to 0 to 3000, but at a certain threshold you want to use black ...
define color range in scatter plot
i do not fully understand, you want to use the pallett for split to 0 to 3000, but at a certain threshold you want to use black ...
3 years ago | 0
| accepted
Answered
Fourier Transform of Seismic Waves
subtract the mean before fft to improve visibility of frequencies or use dB view by calculating 20*log10(P1) explanation: the...
Fourier Transform of Seismic Waves
subtract the mean before fft to improve visibility of frequencies or use dB view by calculating 20*log10(P1) explanation: the...
3 years ago | 1
Answered
Plotted image is clear but saved image is blurry- why?
use png instead of jpg, then no compression is applied and the quality will stay good there ate several methods whichbaffect ...
Plotted image is clear but saved image is blurry- why?
use png instead of jpg, then no compression is applied and the quality will stay good there ate several methods whichbaffect ...
3 years ago | 0
Answered
Why do certain images require imshow(imagename,[]). whereas others don't?
the answer loes within the variable class. the original inage is uint8 which can have values between 0 and 255, this means imsho...
Why do certain images require imshow(imagename,[]). whereas others don't?
the answer loes within the variable class. the original inage is uint8 which can have values between 0 and 255, this means imsho...
3 years ago | 1
| accepted
Answered
Joining two columns and exporting to excel
use mat2cell before joining them! [mat2cell(A) mat2cell(B)]
Joining two columns and exporting to excel
use mat2cell before joining them! [mat2cell(A) mat2cell(B)]
3 years ago | 0
Answered
Double condition to find index
myData=...; fs=2000; minLength=ceil(fs*0.05); highVals=myData>20; searchFor=conv(highVals,ones(1,minLength),'s...
Double condition to find index
myData=...; fs=2000; minLength=ceil(fs*0.05); highVals=myData>20; searchFor=conv(highVals,ones(1,minLength),'s...
3 years ago | 0
Answered
Extracting multiple row values (with unequal range) in a column separately
dat=readmatrix('saf_wind.csv'); dat(dat==9999)=[]; whereIsNan=find(isnan(dat)); yourMeans=zeros(1,numel(whereIsNan)+1); for ...
Extracting multiple row values (with unequal range) in a column separately
dat=readmatrix('saf_wind.csv'); dat(dat==9999)=[]; whereIsNan=find(isnan(dat)); yourMeans=zeros(1,numel(whereIsNan)+1); for ...
3 years ago | 1
Question
Speeding up fread for random position in big file
dear community, at the moment i need to read one or multiple image(s) from a big data file. since I build a live data viewer an...
3 years ago | 3 answers | 0
3
answersAnswered
I want to replace the hyphens with en dashes in a plot axes.
i suggest you have a look into the yticklabels() and xticklabels() and do some replacement of '-' with the en dash char(0x2013)....
I want to replace the hyphens with en dashes in a plot axes.
i suggest you have a look into the yticklabels() and xticklabels() and do some replacement of '-' with the en dash char(0x2013)....
3 years ago | 1
| accepted
Question
Results of math with integer
Dear community, I recently had to work with uint8 and did some simple calculations over it. I tought using integer math tells t...
3 years ago | 1 answer | 0
1
answerAnswered
Al estar trabajando la grafica no aparece, se abre la ventana pero solo aparece la cuadricula sin ningun tipo de lineas
use RC./V instead of RC/V to divide element by element
Al estar trabajando la grafica no aparece, se abre la ventana pero solo aparece la cuadricula sin ningun tipo de lineas
use RC./V instead of RC/V to divide element by element
3 years ago | 1
| accepted
Answered
Unit Step Funtion Without using heaviside function
you could go over the integration of the delta function, which is the heaviside function: t=-5:5; ds=[0 1 1 1 1 0 -1 -1 ...
Unit Step Funtion Without using heaviside function
you could go over the integration of the delta function, which is the heaviside function: t=-5:5; ds=[0 1 1 1 1 0 -1 -1 ...
3 years ago | 0
Answered
Frequency problem between reality and analysis
the nyquist theorem tells that you need to sample a wave at least two times to reproduce it without errors. Or in other words, i...
Frequency problem between reality and analysis
the nyquist theorem tells that you need to sample a wave at least two times to reproduce it without errors. Or in other words, i...
3 years ago | 0
| accepted
Answered
How to code difference quotients in matlab?
elementwise differences of consecutive elements can be calculated using diff() command
How to code difference quotients in matlab?
elementwise differences of consecutive elements can be calculated using diff() command
3 years ago | 0
| accepted
Answered
Rename Struct Fields Old Function
the question is not if your fieldnames are scalar but if the struct is scalar. you will not have any problems if the atruct has ...
Rename Struct Fields Old Function
the question is not if your fieldnames are scalar but if the struct is scalar. you will not have any problems if the atruct has ...
3 years ago | 0
| accepted
Answered
direction of Y Axis is changing
calling set(gca,'XDir','normal'); should be enough
direction of Y Axis is changing
calling set(gca,'XDir','normal'); should be enough
3 years ago | 0
Answered
what (:, :, :) syntax does?
u=round(ginput(2)); gets two points with rounded x and y values. the values are stored as [x1 y1; x2 y2] it follows that...
what (:, :, :) syntax does?
u=round(ginput(2)); gets two points with rounded x and y values. the values are stored as [x1 y1; x2 y2] it follows that...
3 years ago | 0
| accepted
Question
Is there an easy way to remove points from a signal which can be restored by interpolation
Dear community, I gues there is already a solutio nout there, but I am not finding the right key wordsw to google it myself: I...
3 years ago | 1 answer | 0
1
answerAnswered
How to create random matrix with specified step in interval [a, b]
generate a matrix with random integer values using randi. The spacing will be 1, you can then multiply the values by 3 to get sp...
How to create random matrix with specified step in interval [a, b]
generate a matrix with random integer values using randi. The spacing will be 1, you can then multiply the values by 3 to get sp...
3 years ago | 0
Answered
Create a new column in the table with conditional values of 1 or 0
you could use LLT.newVar=LLT{:,6}<=5 or LLT.newVar=LLT.Odstub_s_<=5; but i cannot see the whole variable name ...
Create a new column in the table with conditional values of 1 or 0
you could use LLT.newVar=LLT{:,6}<=5 or LLT.newVar=LLT.Odstub_s_<=5; but i cannot see the whole variable name ...
3 years ago | 0
| accepted
Question
Matlab system command produces output on matlab command line
Dear community, I am using Matlab's system() command to call an external Program (Praat) to run a (Praat) script. I didn't want...
3 years ago | 0 answers | 0
0
answersAnswered
How to write 10^(-6) in xlabel?
you need { } around an exponent which is more than one character e g. xlabel('$\times 10^{-6}$','Interpreter','latex')
How to write 10^(-6) in xlabel?
you need { } around an exponent which is more than one character e g. xlabel('$\times 10^{-6}$','Interpreter','latex')
3 years ago | 0
| accepted
Answered
find the delay between two signals
use xcorr(sig1,sig2), and use the max value of xcorr. the corresponding delay can be found at the corresponding value in the lag...
find the delay between two signals
use xcorr(sig1,sig2), and use the max value of xcorr. the corresponding delay can be found at the corresponding value in the lag...
3 years ago | 1
| accepted
Answered
plotting title with multiple strings on one line
this works for me title("abc\_def.h5" + " and " + "ghi\_jkl.h5"); a concatenated string in one line
plotting title with multiple strings on one line
this works for me title("abc\_def.h5" + " and " + "ghi\_jkl.h5"); a concatenated string in one line
3 years ago | 1
Answered
How to rename a flash drive using matlab?
this is possible via windows command line. You can access the windows command line via matlab using the system() command sy...
How to rename a flash drive using matlab?
this is possible via windows command line. You can access the windows command line via matlab using the system() command sy...
3 years ago | 1
| accepted
Answered
Hi, can you show me how I could Extract the third and fourth elements of the cell array M?
how do you count in the matrix? M{[3 4]} gives you the content of cell 3 and 4
Hi, can you show me how I could Extract the third and fourth elements of the cell array M?
how do you count in the matrix? M{[3 4]} gives you the content of cell 3 and 4
3 years ago | 0
Answered
How to remove duplicate x-values and rearrange the y-values?
use yourMat=[ [4; 1; 1; 2; 3; 3; 5; 10 ], rand(8,4)]; [~,index]=unique(yourMat(:,1),'stable'); % get unique values from the fi...
How to remove duplicate x-values and rearrange the y-values?
use yourMat=[ [4; 1; 1; 2; 3; 3; 5; 10 ], rand(8,4)]; [~,index]=unique(yourMat(:,1),'stable'); % get unique values from the fi...
3 years ago | 0