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Simon Allosserie


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36 total contributions since 2020

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Answered
Converting coordinates (x,y) and radius (r) from pixels to mm using a calibrated camera intrinsic and extrinsic parameters
You can obtain the dpi of your image from the imfinfo structure dpi = imfinfo(filepath).XResolution %analogous for YResolution ...

ungefär en månad ago | 0

Answered
How to create a line from a curve in a log scale x-axis
If your question is how to plot a log scale, please use set(gca, 'XScale', 'log') %make X axis logarithmic

ungefär en månad ago | 0

Answered
I want to store text data on edit field when I press button on app designer Matlab
For your first question, create a Callback function for that button. I assume you have somewhere an input field where the desire...

ungefär en månad ago | 1

| accepted

Answered
Prime number sum from cell array
There are a few issues. I wouldn't change characters to NaN but rather to an empty cell. After your cellfun and filter1, myArr...

ungefär en månad ago | 1

| accepted

Answered
how to take the derivative of the function saved from curve fitting tool
If you have the values of your fitted curve saved, you can calculate the first derivative by using the gradient function: https:...

ungefär en månad ago | 0

Solved


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

ungefär 2 månader ago

Solved


Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

ungefär 2 månader ago

Solved


Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

ungefär 2 månader ago

Solved


Create a vector
Create a vector from 0 to n by intervals of 2.

ungefär 2 månader ago

Solved


Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

ungefär 2 månader ago

Solved


Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

ungefär 2 månader ago

Solved


Find max
Find the maximum value of a given vector or matrix.

ungefär 2 månader ago

Solved


Get the length of a given vector
Given a vector x, the output y should equal the length of x.

ungefär 2 månader ago

Solved


Inner product of two vectors
Find the inner product of two vectors.

ungefär 2 månader ago

Solved


Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

ungefär 2 månader ago

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

ungefär 2 månader ago

Solved


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

ungefär 2 månader ago

Solved


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

ungefär 2 månader ago

Solved


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

ungefär 2 månader ago

Solved


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

ungefär 2 månader 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 ...

ungefär 2 månader ago

Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

ungefär 2 månader ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

ungefär 2 månader ago

Answered
how to sort object properties at workspace window?
Just type app.property, e.g. app.Button3 to see that value.

ungefär 2 månader ago | 0

Answered
How I can perform a canny edge detection on this image ? It can be used for hand gesture recognition in real time or is just for images
Please refer to https://nl.mathworks.com/help/images/edge-detection.html for loading an image & running an edge detection algori...

ungefär 2 månader ago | 0

| accepted

Answered
ERROR SELECTING MULTIPLE FILES
The moment you select multiple files, file becomes a cell array. Just run this in your command window and select a few files to...

ungefär 2 månader ago | 0

| accepted

Answered
Creating a colormap for an image
You will probably want to use something like a jet colormap. See this page for more details: https://nl.mathworks.com/help/matla...

ungefär 2 månader ago | 0

| accepted

Answered
How to make the last iteration of a for loop run differently?
You can do something like this for i = 1:number % do the things that have to happen for each iteration if i < thelast...

ungefär 2 månader ago | 1

| accepted

Answered
Best practise for quickly changing parameters of a function?
For each number you want to change regularly, make it also an input parameter to your function. Then, you can write a little sc...

ungefär 2 månader ago | 0

Answered
How can I plot this small set as a beautiful histogram?
You are not making a histogram if you want to have the height of the bars equal to the value. You are making a bar graph. This s...

ungefär 2 månader ago | 0

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