Answered

signal processing of vibration signal

Have gone through this innumerable times -- and the fft doc gives an example of normalizing the one-sided PSD to match the time ...

signal processing of vibration signal

Have gone through this innumerable times -- and the fft doc gives an example of normalizing the one-sided PSD to match the time ...

ungefär 2 månader ago | 0

Answered

How to quickly view the variables in the mat file? My computer is poor, so it is slow to open matlab😭

Just leave a MATLAB session open, don't close it if you have such use/need frequently. Or, if the content of these .mat files i...

How to quickly view the variables in the mat file? My computer is poor, so it is slow to open matlab😭

Just leave a MATLAB session open, don't close it if you have such use/need frequently. Or, if the content of these .mat files i...

ungefär 2 månader ago | 0

Answered

Convert cell char array With Column in Table form MATLAB

This is pretty simple with the newer string facilities -- as an example, for the first variable, use something like animal=extr...

Convert cell char array With Column in Table form MATLAB

This is pretty simple with the newer string facilities -- as an example, for the first variable, use something like animal=extr...

ungefär 2 månader ago | 0

Answered

Time and Space Efficiency Problem in Multi-Format .csv file Splicing and Saving

Per usual when things are not totally plain vanilla in some fashion, you need to make use of the extended features supplied in M...

Time and Space Efficiency Problem in Multi-Format .csv file Splicing and Saving

Per usual when things are not totally plain vanilla in some fashion, you need to make use of the extended features supplied in M...

ungefär 2 månader ago | 2

Answered

importdata produces strange output when reading a textfile with blank cells and text

>> opt=detectImportOptions('command_window.txt','ExpectedNumVariables',6,'NumHeaderLines',2,"ReadVariableNames",1,'VariableNamin...

importdata produces strange output when reading a textfile with blank cells and text

>> opt=detectImportOptions('command_window.txt','ExpectedNumVariables',6,'NumHeaderLines',2,"ReadVariableNames",1,'VariableNamin...

ungefär 2 månader ago | 0

Answered

How to solve a system of coupled first order differential equations using ode45?

... dydt(1)=((-(sqrt(A/y(1)))^-1)*(y(3)+I_iP-(C*exp((-e*y(1))/T_e)))); dydt(2)=((-(sqrt(B/y(2)))^-1)*(-y(3)+I_iG-(D*exp((-e*y(...

How to solve a system of coupled first order differential equations using ode45?

... dydt(1)=((-(sqrt(A/y(1)))^-1)*(y(3)+I_iP-(C*exp((-e*y(1))/T_e)))); dydt(2)=((-(sqrt(B/y(2)))^-1)*(-y(3)+I_iG-(D*exp((-e*y(...

ungefär 2 månader ago | 0

| accepted

Answered

cell2table: Preserve cell type when column contains numbers and strings

The problem outlined in the Q? is owing to that you introduced strings into the cell array -- use x={ 0 'Infinity' ...

cell2table: Preserve cell type when column contains numbers and strings

The problem outlined in the Q? is owing to that you introduced strings into the cell array -- use x={ 0 'Infinity' ...

ungefär 2 månader ago | 1

Answered

How to break data in to groups using while loop?

Answer the Q? actually asked -- I'll post this as a separate answer for convenience but not remove the first. OK, as @Stephen23...

How to break data in to groups using while loop?

Answer the Q? actually asked -- I'll post this as a separate answer for convenience but not remove the first. OK, as @Stephen23...

ungefär 2 månader ago | 0

| accepted

Answered

How to break data in to groups using while loop?

No explicit looping construct needed; let MATLAB do it for you...I shortened your variable name to M... M= [1 50 60 70 50 40 ...

How to break data in to groups using while loop?

No explicit looping construct needed; let MATLAB do it for you...I shortened your variable name to M... M= [1 50 60 70 50 40 ...

ungefär 2 månader ago | 1

Answered

How do I use a loop to go through a large dataset and put each column into a array?

You don't need (and shouldn't even think about creating) another array from the table; just use the data as they are in the tabl...

How do I use a loop to go through a large dataset and put each column into a array?

You don't need (and shouldn't even think about creating) another array from the table; just use the data as they are in the tabl...

ungefär 2 månader ago | 1

| accepted

Answered

Error in MATLAB standalone app installation

That means your user's PC doesn't have the MS Visual C++ compiler distributable runtime libraries installed -- here's a link to ...

Error in MATLAB standalone app installation

That means your user's PC doesn't have the MS Visual C++ compiler distributable runtime libraries installed -- here's a link to ...

ungefär 2 månader ago | 0

| accepted

Answered

Is it possible to open an excel template, save as a new file then write data to the new file without overwriting the template?

The routine I use to do so follows... function newYearlyBillingWorkbook(fnTemplate,outputFile,outputSheet) % open COM server...

Is it possible to open an excel template, save as a new file then write data to the new file without overwriting the template?

The routine I use to do so follows... function newYearlyBillingWorkbook(fnTemplate,outputFile,outputSheet) % open COM server...

ungefär 2 månader ago | 0

Answered

How to do plotting in a different figure for the same environment

Save the handles to the axes when they're created and plot into the desired one -- without specifying which, plot functions defa...

How to do plotting in a different figure for the same environment

Save the handles to the axes when they're created and plot into the desired one -- without specifying which, plot functions defa...

ungefär 2 månader ago | 0

Answered

Does any one has experience with exporting data from XXPauto to MATLAB? I have found these function but I am not sure how make them work

Certainly not from that alone, no... The best source would be to go back to wherever the functions were found...but just from t...

Does any one has experience with exporting data from XXPauto to MATLAB? I have found these function but I am not sure how make them work

Certainly not from that alone, no... The best source would be to go back to wherever the functions were found...but just from t...

ungefär 2 månader ago | 0

| accepted

Answered

Use Double Array Values to Label Plot

"Would making labels = string(xx) work?" Did you try? It works for a basic definition of what "working" might mean; you migh...

Use Double Array Values to Label Plot

"Would making labels = string(xx) work?" Did you try? It works for a basic definition of what "working" might mean; you migh...

ungefär 2 månader ago | 0

| accepted

Answered

Why does my cell array remain empty?

We can't debug what we don't have, which is a sample app that recreates the problem...looks like all should work just fine here ...

Why does my cell array remain empty?

We can't debug what we don't have, which is a sample app that recreates the problem...looks like all should work just fine here ...

ungefär 2 månader ago | 0

| accepted

Answered

How to build a regression neural network from a datastore? How do i find the variable names from a datastore?

'Pends on how you created the datastore and what it was built from...if you smooshed all five variables into one column, then yo...

How to build a regression neural network from a datastore? How do i find the variable names from a datastore?

'Pends on how you created the datastore and what it was built from...if you smooshed all five variables into one column, then yo...

ungefär 2 månader ago | 0

Answered

Setting scatter point color when scattering matrices instead of vectors.

Read the <scatter> doc on the color input options carefully -- the individual color by point works only if each x,y are vectors,...

Setting scatter point color when scattering matrices instead of vectors.

Read the <scatter> doc on the color input options carefully -- the individual color by point works only if each x,y are vectors,...

ungefär 2 månader ago | 2

| accepted

Answered

Search a larger dataset through a smaller data set of intervals

Taking a wild stab at what might be intended from the above data arrangement; assuming that the larger timetable(?) covers a tim...

Search a larger dataset through a smaller data set of intervals

Taking a wild stab at what might be intended from the above data arrangement; assuming that the larger timetable(?) covers a tim...

ungefär 2 månader ago | 0

Answered

Using subplot in a for loop along with a nested While loop to plot data from a large matrix

Not at all clear why you're using a triply-nested loop here???? To do the requested operation on the array is simply timeTrace...

Using subplot in a for loop along with a nested While loop to plot data from a large matrix

Not at all clear why you're using a triply-nested loop here???? To do the requested operation on the array is simply timeTrace...

ungefär 2 månader ago | 0

Answered

Different Fontsize of texts in stackedplot()

If you mean you want them to be different for each type object, sorry, "no can do". There's only one global 'fontsize' and 'fon...

Different Fontsize of texts in stackedplot()

If you mean you want them to be different for each type object, sorry, "no can do". There's only one global 'fontsize' and 'fon...

ungefär 2 månader ago | 0

Answered

I have a data 5x148992 , i have to extract data column wise and check if there is any changes wrt previous column and display when there are chnages?

" i want to print only if the conse[c]utive col[u]mns are different ..." Well, then there should not be a disp statement outsid...

I have a data 5x148992 , i have to extract data column wise and check if there is any changes wrt previous column and display when there are chnages?

" i want to print only if the conse[c]utive col[u]mns are different ..." Well, then there should not be a disp statement outsid...

ungefär 2 månader ago | 0

Answered

Undefine Temperatures with Depth

See <Logical Array Indexing> and use the MATLAB <missing> instead of some magic number for missing values. An example for one ...

Undefine Temperatures with Depth

See <Logical Array Indexing> and use the MATLAB <missing> instead of some magic number for missing values. An example for one ...

ungefär 2 månader ago | 0

| accepted

Answered

How can I delete plot Label on Legend?

"As you can see on my plot below, on Legend, I get data1, data2, etc. How can I remove these?" Don't draw what you don't want ...

How can I delete plot Label on Legend?

"As you can see on my plot below, on Legend, I get data1, data2, etc. How can I remove these?" Don't draw what you don't want ...

ungefär 2 månader ago | 0

Answered

How do I add monthly labels to my time series plot?

Ah! Typos are the bane of programming! :) Then t=datetime(1990,1,1):datetime(2016,12,31); % datetime vector is5=isbetwe...

How do I add monthly labels to my time series plot?

Ah! Typos are the bane of programming! :) Then t=datetime(1990,1,1):datetime(2016,12,31); % datetime vector is5=isbetwe...

ungefär 2 månader ago | 0

Answered

Pull numeric data from a mixed text data into a matrix in a loop

d=dir('yourmatchingFileWildCardExpression*.txt'); % get the list of candidate files dir() struct pat=digitsPattern(1)+"."+dig...

Pull numeric data from a mixed text data into a matrix in a loop

d=dir('yourmatchingFileWildCardExpression*.txt'); % get the list of candidate files dir() struct pat=digitsPattern(1)+"."+dig...

ungefär 2 månader ago | 0

Answered

Ideal way to import csv data and create column vectors that will be variables i want to work with

filename='RESP_Trial_3.csv'; column_names={'RLT','RLTx','RLTy','RLTz','RUT','RUTx','RUTy','RUTz','RIC','RICx','RICy','RICz',......

Ideal way to import csv data and create column vectors that will be variables i want to work with

filename='RESP_Trial_3.csv'; column_names={'RLT','RLTx','RLTy','RLTz','RUT','RUTx','RUTy','RUTz','RIC','RICx','RICy','RICz',......

ungefär 2 månader ago | 0

| accepted

Answered

How do I find rows based on 2 column variables, then only retain the previous 3 rows?

% Rows to retain for average response time estimates iKeep=B(contains(B.condition, 'infrequent') & B.correct==0); will be your...

How do I find rows based on 2 column variables, then only retain the previous 3 rows?

% Rows to retain for average response time estimates iKeep=B(contains(B.condition, 'infrequent') & B.correct==0); will be your...

ungefär 2 månader ago | 0

| accepted

Answered

Determine available disk space

Try this for comparison if on Windows... !powershell "Get-PSDrive C | Select-Object @{Name='drive';Expression={$_.Name}}, @{Na...

Determine available disk space

Try this for comparison if on Windows... !powershell "Get-PSDrive C | Select-Object @{Name='drive';Expression={$_.Name}}, @{Na...

ungefär 2 månader ago | 0

Answered

How to aplly a function to all columns?

See fft -- in particular, note the first comment... "fft(X) is the discrete Fourier transform (DFT) of vector X. For matrices,...

How to aplly a function to all columns?

See fft -- in particular, note the first comment... "fft(X) is the discrete Fourier transform (DFT) of vector X. For matrices,...

ungefär 2 månader ago | 0