Answered

Matlab doesnt recognize file in path while using readObj

sarl = readobj(something) Pass the content of the variable called something to the function readobj. If readobj expects a filen...

Matlab doesnt recognize file in path while using readObj

sarl = readobj(something) Pass the content of the variable called something to the function readobj. If readobj expects a filen...

18 hours ago | 1

Answered

64 bit binary number representation in matlab without rounding off

If matlab shows the number is 1.01010101010101e+41 then you do not have a binary number. You have a decimal integer number consi...

64 bit binary number representation in matlab without rounding off

If matlab shows the number is 1.01010101010101e+41 then you do not have a binary number. You have a decimal integer number consi...

18 hours ago | 1

Answered

JSON decode / encode eats arrays

Not sure why Walter revived this old question but now that I've seen it: For the record, while inconvenient in the above scenari...

JSON decode / encode eats arrays

Not sure why Walter revived this old question but now that I've seen it: For the record, while inconvenient in the above scenari...

1 day ago | 0

Answered

Extracting Data from Cells

If you want to create a scatter3 plot using the coordinates from all the cells of Cross_sections, this is how I'd go about it: ...

Extracting Data from Cells

If you want to create a scatter3 plot using the coordinates from all the cells of Cross_sections, this is how I'd go about it: ...

1 day ago | 0

Answered

problem with "cd" and network drive

cd filepath is the command form of cd. The fact that filepath is purple is a hint that filepath is being treated as literal tex...

problem with "cd" and network drive

cd filepath is the command form of cd. The fact that filepath is purple is a hint that filepath is being treated as literal tex...

1 day ago | 1

| accepted

Answered

Time series plot from structure array

but for the original data set tickers will have different number of dates so it will not be possible to put them in a table (I t...

Time series plot from structure array

but for the original data set tickers will have different number of dates so it will not be possible to put them in a table (I t...

1 day ago | 0

| accepted

Answered

Using for loops in referencing

You don't even need a loop to perform your calculation: n = permute(0:5:40, [1, 3, 2]); %create a vector 0:5:40 in the 3rd dime...

Using for loops in referencing

You don't even need a loop to perform your calculation: n = permute(0:5:40, [1, 3, 2]); %create a vector 0:5:40 in the 3rd dime...

2 days ago | 1

| accepted

Answered

ActiveX compatibility problems in Matlab GUIDE application

Since you want to use your activex program in GUIDE, I assume it is an activeX control. If so, it is impossible to use a 32-bit ...

ActiveX compatibility problems in Matlab GUIDE application

Since you want to use your activex program in GUIDE, I assume it is an activeX control. If so, it is impossible to use a 32-bit ...

2 days ago | 0

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Answered

Naming sheets with xlswrite

Have you looked at the documentation of xlswrite? xlswrite(filename,A,sheet) writes to the specified worksheet.

Naming sheets with xlswrite

Have you looked at the documentation of xlswrite? xlswrite(filename,A,sheet) writes to the specified worksheet.

2 days ago | 0

| accepted

Answered

What licence do I need to sell MATLAB/Simulink Online Course?

I would persevere with Sales. It's odd that they're not answering you. We don't work for Mathworks so whatever we tell you has n...

What licence do I need to sell MATLAB/Simulink Online Course?

I would persevere with Sales. It's odd that they're not answering you. We don't work for Mathworks so whatever we tell you has n...

2 days ago | 0

Answered

Empty Figures because of empty variables

Right, since we're not getting the required explanation of what you're trying to do, here is how to calculate monthly latitude a...

Empty Figures because of empty variables

Right, since we're not getting the required explanation of what you're trying to do, here is how to calculate monthly latitude a...

3 days ago | 0

Answered

Community profile not updating

Yes, I've reported it to the devs half an hour ago. No reply so far, but it's still early at Mathworks.

Community profile not updating

Yes, I've reported it to the devs half an hour ago. No reply so far, but it's still early at Mathworks.

3 days ago | 1

| accepted

Answered

Save Excel cell range as image with activeX

With activex, you can do anything you can do with excel directly (as long as excel exposes it programmatically). So if you know ...

Save Excel cell range as image with activeX

With activex, you can do anything you can do with excel directly (as long as excel exposes it programmatically). So if you know ...

3 days ago | 2

| accepted

Answered

How to update variable names after a "clear"

Unfortunately, this is a limitation of matlab's editor. Note that clear x is exactly the same as clear('x') The former is t...

How to update variable names after a "clear"

Unfortunately, this is a limitation of matlab's editor. Note that clear x is exactly the same as clear('x') The former is t...

4 days ago | 0

| accepted

Answered

how I can delete 1.0e+03 in my answer

format shortg %or format longg should fix your display issue.

how I can delete 1.0e+03 in my answer

format shortg %or format longg should fix your display issue.

4 days ago | 1

Answered

In memory calculations with tall arrays from different databases

If you have R2019a, you can combine your two datastores. ds_1 = tabularTextDatastore('file_1.txt'); ds_2 = tabularTextDatastor...

In memory calculations with tall arrays from different databases

If you have R2019a, you can combine your two datastores. ds_1 = tabularTextDatastore('file_1.txt'); ds_2 = tabularTextDatastor...

5 days ago | 1

Answered

Removing data from a structure that is less than a certain threshold

This code seems to run very slowly The code you've posted either doesn' do anything because the if condition is never true, or ...

Removing data from a structure that is less than a certain threshold

This code seems to run very slowly The code you've posted either doesn' do anything because the if condition is never true, or ...

5 days ago | 1

Answered

What will be the output of of CD(1:8:8*16)=ciphertext

It simply replaces elements 1,9,17, 25, ..., 121 of CD by the elements of ciphertext. Since that's 16 elements of CD that are re...

What will be the output of of CD(1:8:8*16)=ciphertext

It simply replaces elements 1,9,17, 25, ..., 121 of CD by the elements of ciphertext. Since that's 16 elements of CD that are re...

5 days ago | 1

| accepted

Answered

How to run macro in a different workbook

If the macro is supposed to act on the first workbook, the only way your excel procedure can work is if the macro rely on the Ac...

How to run macro in a different workbook

If the macro is supposed to act on the first workbook, the only way your excel procedure can work is if the macro rely on the Ac...

5 days ago | 2

| accepted

Answered

Sort Through Cell And Put Corresponding Values In Their Respective Rows

This is how I'd do it: data = readtable('ML_Q_1.xlsx', 'ReadVariableNames', false); %optionally, give better name to the varia...

Sort Through Cell And Put Corresponding Values In Their Respective Rows

This is how I'd do it: data = readtable('ML_Q_1.xlsx', 'ReadVariableNames', false); %optionally, give better name to the varia...

6 days ago | 1

| accepted

Answered

How to split a table based on date and hour

The easiest way is to use retime (requires a timetable) or groupsummary grouping by day, Of course, for matlab a day starts at 0...

How to split a table based on date and hour

The easiest way is to use retime (requires a timetable) or groupsummary grouping by day, Of course, for matlab a day starts at 0...

6 days ago | 2

| accepted

Answered

Write a program to calculate the probability of two fair dice having sum equal to 7. There are two fair dice and we are interested in seeing whether the sum of the two fair dice having sum equal to 7. Use Monte Carlo Simulation.

Everything is fine with your code (although the calculation of n7 and nAll could be done with no loop at all), except for your c...

Write a program to calculate the probability of two fair dice having sum equal to 7. There are two fair dice and we are interested in seeing whether the sum of the two fair dice having sum equal to 7. Use Monte Carlo Simulation.

Everything is fine with your code (although the calculation of n7 and nAll could be done with no loop at all), except for your c...

6 days ago | 1

| accepted

Answered

Dot indexing is not supported for variables of this type in a for loop

Typically, you'll get this error because the structure or object you're indexing with . is empty. Indeed, you have this bit of ...

Dot indexing is not supported for variables of this type in a for loop

Typically, you'll get this error because the structure or object you're indexing with . is empty. Indeed, you have this bit of ...

7 days ago | 0

Answered

How can I create a (printable) image (jpeg, bitmap, tiff...any format is ok) starting from a binary code?

I understood that it's an art project but I'm worried that you're going to be disappointed with the results if you don't come up...

How can I create a (printable) image (jpeg, bitmap, tiff...any format is ok) starting from a binary code?

I understood that it's an art project but I'm worried that you're going to be disappointed with the results if you don't come up...

7 days ago | 0

Answered

please help me run this code, as i am unable to solve an error.

There are a few issues with your code: you correctly query the size of your image and use that to preallocate your arrays, th...

please help me run this code, as i am unable to solve an error.

There are a few issues with your code: you correctly query the size of your image and use that to preallocate your arrays, th...

7 days ago | 2

| accepted

Answered

Keep positive real values from a cell inside a matrix

I want to scatter all the positive real values of every cell In that case, I would convert your cell array to a 3D matrix. As I...

Keep positive real values from a cell inside a matrix

I want to scatter all the positive real values of every cell In that case, I would convert your cell array to a 3D matrix. As I...

9 days ago | 0

| accepted

Answered

Swapping Letters Using Regular Expression

>> text = {'Fred', 'Replace', 'Cannot'}; >> regexprep(text, '([^aeiou]*)([aeiou])(.*)', '$1$3$2') ans = 1×3 cell array ...

Swapping Letters Using Regular Expression

>> text = {'Fred', 'Replace', 'Cannot'}; >> regexprep(text, '([^aeiou]*)([aeiou])(.*)', '$1$3$2') ans = 1×3 cell array ...

9 days ago | 0

| accepted

Answered

How to state that at least 80% of the values in my vector need to be positive

if mean(yourvector(150:end) > 0) >= 0.8 %assuming positive means strictly greater than 0 startindex = find(yourvector(150:...

How to state that at least 80% of the values in my vector need to be positive

if mean(yourvector(150:end) > 0) >= 0.8 %assuming positive means strictly greater than 0 startindex = find(yourvector(150:...

9 days ago | 0

Answered

How to remove all the rows if first two columns has same number?

Two of many possible ways: yourmatrix(diff(yourmatrix(:, [1 2]), [], 2) == 0 , :) = []; yourmatrix(yourmatrix(:, 1) == yourm...

How to remove all the rows if first two columns has same number?

Two of many possible ways: yourmatrix(diff(yourmatrix(:, [1 2]), [], 2) == 0 , :) = []; yourmatrix(yourmatrix(:, 1) == yourm...

9 days ago | 0

| accepted

Answered

How to use Uniquetol without sorting?

[~, colindices] = uniquetol(A', 1e-6, 'ByRows', true); %get indices of unique value. Is sorted BY VALUE B = A(:, sort(colindi...

How to use Uniquetol without sorting?

[~, colindices] = uniquetol(A', 1e-6, 'ByRows', true); %get indices of unique value. Is sorted BY VALUE B = A(:, sort(colindi...

9 days ago | 0

| accepted