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Find max
Find the maximum value of a given vector or matrix.

nästan 3 år 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.

nästan 3 år 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...

nästan 3 år 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 ...

nästan 3 år ago

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Draw a '5' in a zero matrix!

nästan 3 år ago

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Draw a '1' in a zero matrix!

nästan 3 år ago

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Converts numbers into characters
Converts numbers into characters

nästan 3 år ago

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Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

nästan 3 år ago

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Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

nästan 3 år ago

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

nästan 3 år 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

nästan 3 år ago

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to the 2 all elements
to the 2 all elements

nästan 3 år ago

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

nästan 3 år ago

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

nästan 3 år ago

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

nästan 3 år ago

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Draw a '0' in a one matrix!

nästan 3 år ago

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Area of a Square
Inside a square is a circle with radius r. What is the area of the square?

nästan 3 år ago

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Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

nästan 3 år ago

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Flag largest magnitude swings as they occur
You have a phenomenon that produces strictly positive or negative results. delta = [1 -3 4 2 -1 6 -2 -7]; Marching thr...

nästan 3 år ago

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How long is the longest prime diagonal?
Stanislaw Ulam once observed that if the counting numbers are <http://en.wikipedia.org/wiki/Ulam_spiral arranged in a spiral>, t...

nästan 3 år ago

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Spot the outlier
All points except for one lie on a line. Which one is the outlier? Example: You are given a list of x-y pairs in a column ...

nästan 3 år ago

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nästan 3 år 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...

nästan 3 år 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|...

nästan 3 år ago

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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...

nästan 3 år 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...

nästan 3 år 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| ...

nästan 3 år 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 ...

nästan 3 år ago

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Make a run-length companion vector
Given a vector x, return a vector r that indicates the run length of any value in x. Each element in r shows how many times the ...

nästan 3 år ago

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

nästan 3 år ago