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Chris


Last seen: 7 months ago |  Active since 2015

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Answered
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...

4 years 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...

4 years ago | 1 answer | 0

1

answer

Question


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...

4 years ago | 1 answer | 0

1

answer

Question


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...

5 years ago | 1 answer | 0

1

answer

Question


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...

5 years ago | 1 answer | 0

1

answer

Answered
How 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...

5 years ago | 0

Answered
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_...

5 years ago | 0

Answered
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...

5 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...

5 years ago | 1 answer | 0

1

answer

Question


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...

5 years ago | 1 answer | 0

1

answer

Answered
isprime 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...

5 years ago | 0

Answered
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.

5 years ago | 0

Answered
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.

5 years ago | 0

| accepted

Answered
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...

5 years ago | 0

Answered
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 ...

5 years ago | 0

| accepted

Answered
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...

5 years ago | 0

| accepted

Answered
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...

5 years ago | 0

Answered
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?

5 years ago | 0

Answered
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...

5 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...

5 years ago | 1 answer | 0

1

answer

Question


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. ...

5 years ago | 1 answer | 0

1

answer

Question


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...

6 years ago | 2 answers | 0

2

answers

Question


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...

6 years ago | 0 answers | 0

0

answers

Solved


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 ...

7 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,...

7 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...

7 years ago

Solved


How to subtract?
*&plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn &plusmn* * Imagine you need to subtract one...

7 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); ...

9 years ago | 1 answer | 1

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