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Whether the input is vector?

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

10 months ago

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Get the length of a given vector

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

10 months ago

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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...

10 months ago

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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 ...

10 months ago

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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 ...

10 months ago

Answered

How to download a .mat file from MATLAB Onramp

I extracted the "Cchord.mat" using the following code: clear; clc; load Cchord.mat for i = 1:3072 fprintf("%1.32f\n",y(i...

How to download a .mat file from MATLAB Onramp

I extracted the "Cchord.mat" using the following code: clear; clc; load Cchord.mat for i = 1:3072 fprintf("%1.32f\n",y(i...

11 months ago | 0

Question

Array idx bug when resizing it

I am making the code to plot a bifurcation diagram, but when testing I found out that jumps one step at the beginning. I also te...

1 year ago | 3 answers | 0

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Help with Cody's 'Problem 672. Longest run of consecutive numbers', I wrote 'if a(i)==a(i+1)' and it says error

In my opinion It's a great problem, this is the solution I came up with function val=longrun(a) count = 1; max_count = 1; val...

Help with Cody's 'Problem 672. Longest run of consecutive numbers', I wrote 'if a(i)==a(i+1)' and it says error

In my opinion It's a great problem, this is the solution I came up with function val=longrun(a) count = 1; max_count = 1; val...

2 years ago | 0

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...

2 years ago

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Calculate Inner Product

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

2 years ago

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Find MPG of Lightest Cars

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

2 years ago

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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...

2 years ago

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Find the Best Hotels

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

2 years ago

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Calculate BMI

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

2 years ago

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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...

2 years ago

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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| ...

2 years ago

Solved

Solve a System of Linear Equations

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

2 years 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...

2 years 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...

2 years ago

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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:...

2 years ago