Answered

Find the width of a peak

do you just want to measure the peak width of this data set only? if yes, i should be telatively easy locating the peak with min...

Find the width of a peak

do you just want to measure the peak width of this data set only? if yes, i should be telatively easy locating the peak with min...

etwa ein Monat ago | 0

Answered

Resampling vector to have homogeneous length between trials

you can use the interp1() function to produce an equal number of samples per jump

Resampling vector to have homogeneous length between trials

you can use the interp1() function to produce an equal number of samples per jump

etwa ein Monat ago | 0

Answered

how to clean data by deleting [0 0]

use rowsToDelete=~any(AB,2); or rowsToDelete=all(~AB,2); AB(rowsToDelete,:)=[]; or rowsToKeep=any(AB,2); AB=AB(rowsToKeep...

how to clean data by deleting [0 0]

use rowsToDelete=~any(AB,2); or rowsToDelete=all(~AB,2); AB(rowsToDelete,:)=[]; or rowsToKeep=any(AB,2); AB=AB(rowsToKeep...

etwa ein Monat ago | 0

| accepted

Answered

Finding the max value in 1st column of values based on a range in the 2nd column of values

max(yourMat( yourMat(:,2)>0.09 && yourMat(:,2)<0.11 ,1)) for the first range and so on?

Finding the max value in 1st column of values based on a range in the 2nd column of values

max(yourMat( yourMat(:,2)>0.09 && yourMat(:,2)<0.11 ,1)) for the first range and so on?

etwa ein Monat ago | 0

Answered

Find rising and falling point

you can identify those points using a threshold for the differential signal, something like find( abs(diff(x)) > someThreshol...

Find rising and falling point

you can identify those points using a threshold for the differential signal, something like find( abs(diff(x)) > someThreshol...

etwa ein Monat ago | 1

Answered

How can I get the mean data from under the graphs?

what about a general threshold like 10 here? mean(all_data(all_data>10))

How can I get the mean data from under the graphs?

what about a general threshold like 10 here? mean(all_data(all_data>10))

etwa ein Monat ago | 0

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)];...

etwa ein Monat ago | 1

Submitted

partially logarithmic plots

This function allows to plot with x or y axis divided into a logarithmic and linear part.

etwa ein Monat ago | 3 downloads |

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...

etwa ein Monat ago | 2 downloads |

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...

etwa ein Monat 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 ...

etwa ein Monat 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...

etwa ein Monat 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 ...

etwa ein Monat 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...

etwa ein Monat 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)]

etwa 2 Monate 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...

etwa 2 Monate 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 ...

etwa 2 Monate 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...

etwa 2 Monate ago | 3 answers | 0

Answered

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)....

etwa 2 Monate ago | 0

| 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...

etwa 2 Monate ago | 1 answer | 0

Answered

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

etwa 2 Monate 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 ...

etwa 2 Monate 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...

etwa 2 Monate 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

etwa 2 Monate 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 ...

2 Monate 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

2 Monate 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 Monate 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 Monate ago | 1 answer | 0

Answered

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 Monate 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 Monate ago | 0

| accepted