# Matthew Eicholtz

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I love MATLAB.

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Solved

Predict Cricket Stridulation Rate from Air Temperature

Stridulation is the process that creates a cricket's “chirp” by rubbing their wings or legs. According to the Old Farmer's Alma...

1 year ago

Solved

Find Air Temperature from Cricket Stridulation Rate

Stridulation is the process that creates a cricket's “chirp” by rubbing their wings or legs. According to the Old Farmer's Alma...

1 year ago

Solved

Square root

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

2 years ago

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Calculate the average value of the elements in the array

Calculate the average value of the elements in the array

2 years ago

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the average value of the elements

Calculate the average value of the elements in the array

2 years 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| ...

3 years ago

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Solve a System of Linear Equations

*Example*: If a system of linear equations in _x₁_ and _x₂_ is: 2 _x₁_ + _x₂_ = 2 _x₁...

3 years 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,....

3 years 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...

3 years 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...

3 years 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...

3 years ago

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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...

6 years 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: ...

6 years 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...

6 years 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...

6 years ago

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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 ...

6 years 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...

6 years 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...

6 years 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...

6 years ago

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'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...

6 years ago

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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...

6 years ago

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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,...

6 years ago

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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) ) =...

6 years 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...

6 years ago