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Matthew Eicholtz


Last seen: 8 Monate ago |  Active since 2012

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I love MATLAB.

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Draw a '0' in a one matrix!

9 Monate ago

Solved


Converts numbers into characters
Converts numbers into characters

9 Monate ago

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Find the max element of the array
Find the max element of the array

9 Monate ago

Solved


Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

9 Monate ago

Solved


Calculate the average value of the elements in the array
Calculate the average value of the elements in the array

9 Monate ago

Solved


to the 2 all elements
to the 2 all elements

9 Monate ago

Solved


the average value of the elements
Calculate the average value of the elements in the array

9 Monate ago

Solved


Double all elements in the array
Duplicate all elements in the array

9 Monate ago

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calculate the length of matrix
input 1 array, calculate the length

9 Monate 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| ...

mehr als ein Jahr ago

Solved


Solve a System of Linear Equations
*Example*: If a system of linear equations in _x&#8321_ and _x&#8322_ is: 2 _x₁_ + _x₂_ = 2 _x₁...

mehr als ein Jahr ago

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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,....

mehr als ein Jahr ago

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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...

mehr als ein Jahr ago

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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...

mehr als ein Jahr ago

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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...

mehr als ein Jahr ago

Solved


Friday or not
I love Friday. Please tell me whether the day is Friday. Dateformat is 'yyyy-mm-dd' or 'dd-mmm-yyyy' or 'mm/dd/yyyy'. Exa...

mehr als 4 Jahre ago

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The average of the second largest values
Given a matrix, find the average of the second largest values in each row. The same value does not exist on a row. Example: ...

mehr als 4 Jahre ago

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Separate even from odd numbers in a vector - without loops
*Without using loops*, rearrange a vector of integers such that the odd numbers appear at the beginning, and even numbers at the...

mehr als 4 Jahre ago

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Separate even from odd numbers in a vector - with a loop
*Using a loop*, rearrange a vector of integers such that the odd numbers appear at the beginning, and even numbers at the end. T...

mehr als 4 Jahre ago

Solved


The great 82-year-old
Let's answer the question below; 'I am *x* years old and I have never written programs. If I study from now, will I be able ...

mehr als 4 Jahre ago

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Shuffle
Shuffle a vector by breaking it up to segments of |n| elements, and rearranging them in a reversed order. For example, the ve...

mehr als 4 Jahre ago

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Vector push
Append an element |x| to the end of the vector |v| and return both the extended vector and the new number of its elements. |x| c...

mehr als 4 Jahre ago

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Vector pop
Take |n| elements from the end of the vector |v| and return both the shorten vector |v| and the |n| elements in a separate vecto...

mehr als 4 Jahre ago

Solved


'Determine if array of numbers is odd'
Return true if the input single number is odd. If the input is a vector, it will return a vector or array of logical values indi...

mehr als 4 Jahre ago

Solved


vector indexes for a matrix
Matlab allows us to use several indexing styles making code simpler and easier to read than using loops. Vectors can have ve...

mehr als 4 Jahre ago

Solved


Please check the last row
We have data of matrix, that is input. That contains 2 or more rows and the last row should contain the average of each column,...

mehr als 4 Jahre ago

Solved


Find the starting index of a consecutive condition
Given a logical vector |v|, and a positive integer |n|, return the smallest index |i| that satisfies: all( v(i : i+n-1) ) =...

mehr als 4 Jahre ago

Solved


Please check if calorie intake is less than 300 kcal.
I like eating some puddings and some chocolate cookies around 3 o'clock. However, I care about calorie intake. Please check whe...

mehr als 4 Jahre ago

Solved


Calculating Ring Area
In two-dimensional space, a ring can be constructed by using two concentric circles. Determine the area of a ring which has r1 ...

mehr als 4 Jahre ago

Solved


Volume of Spherical Shell
In three-dimensional space, a spherical shell can be constructed from two concentric spheres. Determine the volume of a spheric...

mehr als 4 Jahre ago

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