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Alex Ogren


Last seen: Today |  Active since 2020

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Why does a griddedInterpolant use twice as much memory as the array of values that it's interpolating between?
Let V be the n-by-n array of values that the griddedInterpolant is interpolating between, and let X and Y be the ndgrid-format a...

mer än 2 år ago | 1 answer | 1

1

answer

Solved


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

nästan 3 år 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...

nästan 3 år ago

Solved


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

Question


Print vectorized graphic of patches without edges
I need to export a vectorized graphic of material data from a finite element simulation. I don't want the lines of the mesh to s...

nästan 3 år ago | 2 answers | 1

2

answers

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...

ungefär 3 år 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| ...

ungefär 3 år 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...

ungefär 3 år 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,....

ungefär 3 år 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...

ungefär 3 år 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...

ungefär 3 år 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...

ungefär 3 år ago

Solved


Insert zeros into vector
Insert zeros after each elements in the vector. Number of zeros is specified as the input parameter. For example: x = [1 ...

ungefär 4 år ago

Solved


Create a vector
Create a vector from 0 to n by intervals of 2.

ungefär 4 år ago

Solved


Swap two numbers
Example Input: a = 10 b = 20 Output a = 20 b = 10

ungefär 4 år ago

Solved


Reverse the elements of an array
Reverse the order of elements in an array: eg: input X = [ 1 2 3 ; 4 5 6 ; 7 8 9 ] o...

ungefär 4 år ago

Solved


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:...

ungefär 4 år ago

Question


Saving figures (with saveas or with savefig) does not save the alpha value that I've set for the line objects
I'm trying to save matlab figure files where I've set the transparency of the plot lines using the fourth element in the color v...

ungefär 4 år ago | 1 answer | 2

1

answer