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**Content Feed**

Pass data between two Matlab?

You might be able to load the data in the base workspace then pull it into the app, I am not sure apps would halt while somethin...

1 year ago | 0

Question

Extra margin or boarder space around apps in 20a/20b.

I am getting extra margin or boarder space with apps made with or run in 20a/20b. They look fine in app designer but when run I...

1 year ago | 1 answer | 0

### 1

answerQuestion

App Designer uitree nodedata memory size limit?

Is there a memory limit to what can be put into the nodedata field of a uitree? My app and tree work correctly when putting d...

2 years ago | 1 answer | 0

### 1

answerQuestion

Disallow running an App in an older version of ML?

Is there a way to disallow or inform the user that they cant run an installable App in an older version of ML? I have made an A...

2 years ago | 1 answer | 0

### 1

answerQuestion

App Designer KeyPress callback for a Tree

Is there a work around for making a KeyPress callback when a Tree is active within the App Designer? I would like to remove sel...

2 years ago | 1 answer | 0

### 1

answerHow to position box plots in one figure without overlap?

Your third boxplot as a matrix going in but the position is a scalar, documentation says 'position' should have as many values a...

2 years ago | 0

Area Mach Number Relation

Put all that code info a function with inputs/outputs; call it for each ARatio you want. https://en.wikipedia.org/wiki/Wrapper_...

2 years ago | 0

Area Mach Number Relation

You can format posts to look llike ML text and make them easier to read. Without reading any of your code it sounds like you ca...

2 years ago | 0

Question

Use a Live Script to document an APP?

I am building a Matlab APP for my employer and as it grows in size, complexity and userbase I am seeing that it will need some f...

2 years ago | 1 answer | 0

### 1

answerQuestion

Pre-determine plot ranges?

Given two vectors of the same length is there a way to determine the axes ranges that would result if the data were plotted with...

3 years ago | 1 answer | 0

### 1

answerisprime function seems to have poor performance

>> tic, isprime(2^607-1), toc ans = logical 0 Elapsed time is 0.453590 seconds. >> tic, isprime(uint64(2^1279-1)),to...

3 years ago | 0

Index in position 2 exceeds array bounds (must not exceed 1).

Your first line is making "elem" a scalor but the if test is using it as a martix; this does not work.

3 years ago | 0

Deleting overlapping lines in a plot

.fig files retain Children information of the figure; you can loop over the Children and delete based on color.

3 years ago | 0

| accepted

How to speed up function approximation?

I dont have those toolboxes but often you can start an optimization problem with a randomly selected sub-set of data run for a s...

3 years ago | 0

How to ignore an element(s) in a vector or matrix

You can specify a sub compontent of a matrix but the resulting matrix math needs to remain logical >> theta = [1,2,3,4]; alpha ...

3 years ago | 0

| accepted

Is it possible to add row vectors into a matrix with a for loop?

A loop is not needed for your simple demo >> mat = [sample1; sample2] mat = 1 2 3 4 5 6 But yes y...

3 years ago | 0

| accepted

how to pick up all combination of numbers from multiple vectors

I use allcomb from the Exchange - works great. Works with chars too. It uses ndgrid under the hood and is probably mostly a pa...

3 years ago | 0

How to create an empty edit field (numeric) in app designer

Can you make the input a text field and reject anything that does not convert to a number?

3 years ago | 0

calculate difference of euler angles between two dynamic moving objects

Are you trying to compare the rotation matries directly or are you compairing the euler angles? I am not sure you can use the m...

3 years ago | 0

Question

Passing data into and out of an App

I am new to Apps and would like to make sure I am clear on how to it is best to get data into and out of an App. I need to be a...

3 years ago | 1 answer | 0

### 1

answerQuestion

Initialize a model in steady state

I have a Simulink model of an aircraft that I would like to have start in a steady state trim condition before the model runs. ...

3 years ago | 1 answer | 0

### 1

answerQuestion

Can I disable linear indexing?

I am working with a large number of matrices of varying dimensions and have many times typed in the wrong number of indexes when...

3 years ago | 2 answers | 0

### 2

answersQuestion

Can an APP access the calling functions workspace?

If I execute an APP can it access the workspace of a function I am debugging? I am trying to write an APP that will plot my c...

4 years ago | 0 answers | 0

### 0

answersSolved

First non-zero element in each column

For a given matrix, calculate the index of the first non-zero element in each column. Assuming a column with all elements zero ...

4 years ago

Solved

Check if number exists in vector

Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

4 years ago

Solved

Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.

Submit your answer to this problem a multiple of 5 seconds after the hour. Your answer is irrelevant; the only thing that matte...

4 years ago

Solved

How to subtract?

*± ± ± ± ± ± ± ± ± ± ±* * Imagine you need to subtract one...

4 years ago

Question

plot legends with custom symbols

I am doing something like >> XX = 0; YY = 0; >> h1 = plot( XX, YY, ['.y'] ); hold on >> set(h1, 'markersize', 30); ...

7 years ago | 1 answer | 1