# Xymbu

I have degrees in mechanical and electrical engineering and am decently familiar with matlab.

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English

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**Content Feed**

Question

Coinbase API connectivity problem

Im trying to connecto to the Coinbase sandbox API. Ive done all the preliminary setup with the API keys and passphrase but I kee...

8 dagen ago | 0 answers | 0

### 0

answersQuestion

How to specify a parent UIplot for the plots that the bayesopt() funtion provides

I am using app designer. and I don't want the product plots when using the bayesopt() function with neural network training to j...

3 maanden ago | 1 answer | 0

### 1

answerQuestion

Trying to add a Row to a nested table

I have been playing with data storage and was playing with a crypto API to try and figure out a good data storage method. I have...

3 maanden ago | 0 answers | 0

### 0

answersQuestion

Compile and loadlibrary() issues.

I compile a simple function using this command in the command prompt... mcc -v -B csharedlib:InputTest InputTest.m Then, t...

7 maanden ago | 0 answers | 0

### 0

answersQuestion

Write a cell arrary of strings into a signle cell on a csv.

I have a 1x4 cell array with strings and I want to write them all into a single cell on a csv file like when you hit alt+enter t...

9 maanden ago | 1 answer | 0

### 1

answerQuestion

convert a py.str to a matlab string

I used a python function which returns a py.str format and im not sure how to convert it to a matlab string so I can use matlab ...

9 maanden ago | 2 answers | 0

### 2

answersQuestion

How to Store emojis when used as an input to text field in App Designer.

I have a matlab app that im working on and in the text input that involves emojis which are then currently written to a csv. the...

9 maanden ago | 1 answer | 0

### 1

answerQuestion

Some Toolboxes not showing up in 2022a

I am missing some of my toolboxes when I install 2022a. I reran the installer and they are just simply not there. like the Dataf...

9 maanden ago | 1 answer | 0

### 1

answerQuestion

Using custom fit equation for surface

If I do a fittype for a cruve like this ft = fittype('a + b*x + c *x^2') it works fine, but if i want to do a surface fit with...

9 maanden ago | 1 answer | 0

### 1

answerQuestion

How do you reformat this for a custom surface equation

This is an example of using a custom example with fit using a function. https://www.mathworks.com/matlabcentral/answers/92830-h...

9 maanden ago | 0 answers | 0

### 0

answersQuestion

Is there a way to get a higher order polynomial fit for a surface than poly55

Is there a method a could use to get a higher order polynomial fit for a surface than poly55?

9 maanden ago | 1 answer | 0

### 1

answerQuestion

Image processing and analysis, layers on image

I am building an image for analysis on matlab that has a bunch of different layers that i have been overlapping using the image(...

10 maanden ago | 2 answers | 0

### 2

answersAlternating forward and reversed cos function

This is what I was looking for. What I am actually applying this to is a little bit more complex than how I poorly explained it....

11 maanden ago | 0

Question

Alternating forward and reversed cos function

I have a function that im not really sure how to get a matlab function for. I have several cycles of a cosine function, then tho...

11 maanden ago | 2 answers | 0

### 2

answersQuestion

Finding function calls in my code using the Profiler

I'm using the profiler and am trying to figure out if there is a way to identify in my own code where the components in the prof...

11 maanden ago | 1 answer | 0

### 1

answerI want to integrate Google Earth on Matlab GUI but I don't have api key for the toolbox. Where can I get this api key?

I imagine you would have to set up a developers account with google. Reference Below. https://developers.google.com/maps/docume...

11 maanden ago | 0

Question

Matlab 2022a Updates to App Designer

Im looking for any release notes specifically dealing with app designer on the 2022a release and am having trouble finding them....

11 maanden ago | 1 answer | 0

### 1

answerTwitter API using getdata

The suggestion in the comments from Ive J works. I ended up, however, calling the python library requests in order to automate t...

11 maanden ago | 0

| accepted

Question

Twitter API using getdata

How do I add the bearer token in a header using the getdata() function. an example from the API curl 'https://api.twitter.com/...

11 maanden ago | 1 answer | 0

### 1

answerQuestion

Using NARXnet clarification input delays

I am trying to learn more about using narxnet to predict future values of a times series. I am having trouble finding a good exp...

ongeveer een jaar ago | 0 answers | 0

### 0

answersQuestion

call a variable in a timetable from a cell matrix

I have a loop with the column/variable names of a timetable need to be called in a loop for 1 = 1:10 a(:,i) = Timetable.V...

ongeveer een jaar ago | 1 answer | 0

### 1

answerQuestion

Parfeval, Backgroundpool and Webread

I am trying to use parfeval to do a webread on a background pool and it responds with the message... Invalid default value for...

ongeveer een jaar ago | 1 answer | 2

### 1

answerQuestion

using Parfeval and BackgroundPool

Was the BackgroundPool changed because everytime I trie to use backgroundPool with Parfeval it gives me the error... Unrecogniz...

ongeveer een jaar ago | 1 answer | 0

### 1

answerQuestion

Plotting Multiple Lines from two end points in a matrix without a loop?

I have sets of two end points in xyz coord in a matrix in the form of V (2,3,418) so for example V(1,:,1) would call the start...

ongeveer een jaar ago | 0 answers | 0

### 0

answersQuestion

API usage with matlab

Can anyone tell me what the setup for matlab would be to use the nomics api https://nomics.com/docs/ I'm kinda new to using an...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

Word counting in a loop

I have a while loop running where I bring in a sentence on every loop Sentence(i) = ('some string of words'); I can split the ...

bijna 2 jaar ago | 1 answer | 0

### 1

answerQuestion

Question on datetime Input Format

I can't seem to get the input format for the date time conversion that works with data formatted as shown below 'Sat Jan 30 0...

ongeveer 2 jaar ago | 1 answer | 0

### 1

answerQuestion

String to Datenum Format using opts and Setvaropts

I have read in a table using readtable() and am trying to convert on of the columns to datetime as it is currently a string in t...

meer dan 2 jaar ago | 1 answer | 0