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# Marcel Kreuzberg

##### Last seen: 2 jours ago
109 total contributions since 2019

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Solved

Longest run of consecutive numbers
Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...

30 jours ago

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...

environ un mois 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|...

environ un mois ago

Solved

Find MPG of Lightest Cars
The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...

environ un mois ago

Solved

Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...

environ un mois 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...

environ un mois ago

I have Day, Month, Year, Hour and Minute in different columns, how to combine in a datetime format (17-Oct-2019 00:00)?
try Second = zeros(53715,1); Year = Year+2000; t = datetime(Year,Month,Day,Hour,Minute,Second,'Format','dd-MMM-yyyy hh:mm'); ...

environ un mois ago | 0

Solved

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

environ un mois 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...

environ un mois ago

Solved

Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.&#8519;^(-&lambda;t)*cos(2πft)| where |A|, |&lambda;|, and |f| ...

environ un mois ago

Solved

Solve a System of Linear Equations
*Example*: If a system of linear equations in _x&#8321_ and _x&#8322_ is: 2 _x&#8321;_ + _x&#8322;_ = 2 _x&#8321;...

environ un mois 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,....

environ un mois 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...

environ un mois 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...

environ un mois 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 y...

environ un mois ago

detect Circles and squares on the image using regionprops
try this I = imread('test.png'); imshow(I); I = rgb2gray(I); I = im2bw(I,0.01); [L ,num] = bwlabel(I); stats1 = regionprop...

environ un mois ago | 0

| accepted

Loop to write data in excel from 1 st iteration to n th iteration
for t = 0:1:10 a = cos(t).*[2 3;4 5] b = cos(t).*[6 5;4 6] c = a+b d = eig(c) r = 2*3*d w(:,t+1) = r end csvwrite(...

environ 2 mois ago | 0

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How can i plot this graph?
clear clc clf x = -0.5:0.001:1.8; f2=mod(x,1); f1=mod(-0.5*cos(2*pi*-x),1); plot(x,f1,'.'); hold on plot(x,f2,'.'); hol...

environ 2 mois ago | 1

How to print data from cell array to a text file ?
try fprintf(fid ,'%d %f \r\n', FINALSHEET{1,1}{row,:},FINALSHEET{1,2}{row,:});

environ 2 mois ago | 0

| accepted

What is the meaning of any_image(:,w:-1:1) in MATLAB
w:-1:1 start with w step -1 till 1 6:-1:1 -> 6 5 4 3 2 1

2 mois ago | 0

| accepted

Adding 2 values of old vector into new vector of half size
b = a(1:2:end) + a(2:2:end) (this is not working for uneven amount of inputs)

2 mois ago | 0

| accepted

Solved

Fibonacci Decomposition
Every positive integer has a unique decomposition into nonconsecutive Fibonacci numbers f1+f2+ ... Given a positive integer n, r...

3 mois ago

Solved

How many Fibonacci numbers?
Find the number of unique Fibonacci numbers (don't count repeats) in a vector of positive integers. Example: x = [1 2 3 4...

3 mois ago

Largest number in Matlab
65535 127

3 mois ago | 0

Could anyone please solve this MATLAB operation x=7/84
7/8\4 = (7/8)\4 = 4/(7/8)

3 mois ago | 0

Largest number in Matlab
max uint16 = 2^16-1 max int8 = 2^7-1

3 mois ago | 0

Solved

Triangle sequence
A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...

3 mois ago

Solved

Project Euler: Problem 2, Sum of even Fibonacci
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

3 mois ago

Solved

Number of Even Elements in Fibonacci Sequence
Find how many even Fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

3 mois ago