Cedric Kotitschke

Last seen: 12 days ago | Active since 2021

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Swap shape of cell array full of arrays
Hey, I have a nxn cell array where each element contains a 1xm array. How do I turn this into a 1xm cell array where each elem...

3 months ago | 2 answers | 0

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answers

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Store intermediate results of cost function when solver is run in parallel
Hey, I have a cost function that is comprised of two intermediate results f1 and f2. When I run some solver to minimize this f...

4 months ago | 1 answer | 0

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export_fig of multiple overlayed images only saves one image
Why not use saveas? saveas(gcf,'figname.pdf')

5 months ago | 0

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Way to save figures to .fig file as visible from matlab live script?
Why don't you set the visible property to 'off' after saving? set(gcf, 'Visible', 'on') saveas(gcf, 'figurename.fig') set(g...

5 months ago | 0

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Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

6 months ago

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How do I restore my Simulink Favourite Commands?
Hello, my Matlab did not start so I followed the advice to rename the preference folder and create a new, blank reference folde...

6 months ago | 0 answers | 0

0

answers

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Extract several matrices from single column vector
For everyone who also struggles with this, here's my solution. It is clunky but that's only because genmat objects are buggy whe...

6 months ago | 0

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Question

Extract several matrices from single column vector
Hey, I have three matrices A, B, C, D which I flatten to a single column vector: J = [A(:); B(:); C(:); D(:)] How can I used...

6 months ago | 1 answer | 0

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answer

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Copy simulink block programmatically
Hey, I have a very simple problem for which I am not able to find an answer. How exactly do I copy a block in Simulink program...

9 months ago | 1 answer | 0

1

answer

Question

Convert symbolic inequality to matrix form
Let's say I have a symbolic inequality: 2*x + 3*y <= 5 Is there a way to elegantly extract the matrices A, b for the equivalen...

10 months ago | 2 answers | 0

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answers

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Extract one-dimensional timeseries from multidimensional timeseries
Hey, I have a timeseries with Time: [nx1] and Data: [3x1xn] (output from a Simulink model) How can I get a timeseries based on...

10 months ago | 1 answer | 0

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Rearrange cell array of strings based on occurrence in another cell array of string
Hey, I have two cell arrays of string. Let's call them A and B: A = {'test1', 'test2'}; B = {'here_test2_occurs', 'here_tes...

1 year ago | 1 answer | 0

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answer

Question

Find model references within model references
Hello, I'm trying to find a model reference within a large simulink model which contains multiple model references, often als...

1 year ago | 1 answer | 0

1

answer

Question

Programmatically add annotation with an equation to simulink
Hey all, I'm trying to add an annotation to a Simulink model which includes an equation using Latex syntax. However, all I get ...

1 year ago | 1 answer | 0

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Question

Extract operations from symbolic expression
Hello, given a symbolic expression, I want to extract the fundamental operations that take place in this symbolic expression....

1 year ago | 1 answer | 0

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answer

Solved

Rescale Scores
Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...

1 year ago

Solved

Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

1 year ago

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1 year ago

Solved

1 year ago

Solved

Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...

1 year ago

Solved

Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

1 year ago

Solved

Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

1 year ago

Solved

Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...

1 year ago

Solved

Solve a System of Linear Equations
Example: If a system of linear equations in x₁ and x₂ is: 2x₁ + x₂ = 2 x₁ - 4 x₂ = 3 Then the coefficient matrix (A) is: 2 ...

1 year ago

Solved

Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

1 year ago

Solved

Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

1 year ago

Solved

Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

1 year ago

Solved

Calculate Amount of Cake Frosting
Given two input variables r and h, which stand for the radius and height of a cake, calculate the surface area of the cake you n...

1 year 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:...

1 year ago

Question

ICDF for values very close to one
Hey, I have a problem where I have to transform random variables from the standard normal space to some other, arbitrary dist...

1 year ago | 1 answer | 0

1

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Cedric Kotitschke

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