Simon Allosserie

Last seen: 2 years ago | Active since 2020

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How to steer uiprogressdlg from external function
Hello I am building an App wit appdesigner in which a rather complex function is called. The function is at the moment not with...

2 years ago | 1 answer | 0

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How to convert rows to logical
I am filtering a set of values in a column vector in multiple steps. In the end, I get the row numbers of the values that should...

2 years ago | 2 answers | 0

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How to apply MinSeparation on both islocalmin and islocalmax
I am using findlocalmin and findlocalmax to find the local extrema of a curve (actually, it's a column of a greyscale image). Th...

2 years ago | 0 answers | 0

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App Designer shuts down when processing big files
I have an app that processes .tif files in different resolutions. It compares two images printed on two different printers to ch...

2 years ago | 0 answers | 0

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How to change x-axis ticks labels in stackedplot?
Use xtick and xticklabels to change to the A, S, T, ... labels https://nl.mathworks.com/help/matlab/ref/xticks.html I don't...

2 years ago | 1

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Put values from an array in a while loop into a table
To put info in tables, you best put them in columns. So you could define coefficient vectors for each coefficient, and through y...

2 years ago | 0

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combine vectors in different length in to one matrix
You can combine vectors of different lengths in cell arrays, instead of adding zeros to your vectors. It will be easier to proce...

2 years ago | 1

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How to fill empty matrix elements based on surrounding values
I have a matrix with a lot of empty values and some numbers. A column could look like this (simplified for the sake of this ques...

2 years ago | 2 answers | 0

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answers

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How to use full axes area when zooming image in App GUI
I plot an image using imshow in an axis in my APP GUI. Then there can be zoomed in to see details. Now when you zoom in, only t...

2 years ago | 1 answer | 1

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Question

How to keep roi points visible when replotting
I have a GUI where I plot an image using imshow. There are 2 color versions of this image. By clicking on the image, the user c...

2 years ago | 1 answer | 0

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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,...

3 years ago

Solved

Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

3 years ago

Solved

Add two numbers
Given a and b, return the sum a+b in c.

3 years ago

Solved

Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

3 years ago

Question

What is the difference between
When packaging an app in App Designer, I always get three output folders: The appplication found in for_redistribution must b...

3 years ago | 1 answer | 0

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answer

Question

Categorical Bar Plot keeps old categories
I make a bar plot with categorical x-values as follows: define legend names (that will be the labels for each bar in the bar gr...

3 years ago | 1 answer | 0

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Solved

The Piggy Bank Problem
Given a cylindrical piggy bank with radius g and height y, return the bank's volume. [ g is first input argument.] Bonus though...

3 years ago

Answered
App Designer Edit Field precision
When you select the field, you can edit the ValueDisplayFormat code. Now it is apparently in some kind of scientific notation mo...

3 years ago | 1

Solved

Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

3 years ago

Solved

Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

3 years ago

Solved

Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

3 years ago

Solved

Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

3 years ago

Solved

Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

3 years ago

Solved

Return the first and last characters of a character array
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

3 years ago

Solved

Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

3 years ago

Solved

Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

3 years ago

Solved

Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

3 years ago

Solved

Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

3 years ago

Solved

Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

3 years ago

Solved

Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

3 years ago

Simon Allosserie

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