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# Jared Metzel

46 total contributions since 2015

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Finding an element in a vector
x is a vector of unknown length your function should return the index of the first element in the vector that is greater than...

ungefär 6 år ago

Solved

Replace every 3rd element in a vector with 4
x is a vector of undetermined length You are to replace every 3rd element with the number 4, example: x = [11 23 34 43 2 3...

ungefär 6 år ago

Solved

Get a Fibonacci number's index.
*N.B.* For the purpose of this exercise, the first Fibonacci number is 1, and the second is 2; that is, |fib(1) = 1| and |fib(2)...

mer än 6 år ago

Solved

Multiplying Vectors 101
Make a vector from 1 to x then multiply the sum of that vector by 2.

mer än 6 år ago

Problem

Get a Fibonacci number's index.
*N.B.* For the purpose of this exercise, the first Fibonacci number is 1, and the second is 2; that is, |fib(1) = 1| and |fib(2)...

mer än 6 år ago | 3 | 27 solvers

Solved

Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

mer än 6 år ago

Solved

Given a and b, return the sum a+b in c.

mer än 6 år ago

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Generalized Fibonacci
The Fibonacci sequence is defined as: Fib(1) = 0 Fib(2) = 1 Fib(N) = Fib(N-1) + Fib(N-2) The Fibonacci sequence ca...

mer än 6 år ago

Solved

Matlab Basics II - Max & Index of Max
Write a function that takes a vector x, then returns both the max value in x and its location in the vector for example x ...

mer än 6 år ago

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Matlab Basics II - Determine if an array has a 3rd dimension
For an array A, determine whether it has 3 dimensions, return 0 if x is only 2D, and 1 if x is 3D

mer än 6 år ago

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Matlab Basics II - Free Fall
An object freely falling from rest under gravity covers a distance x given by: x = 1/2 gt^2 write a function that calculat...

mer än 6 år ago

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Matlab Basics II - Create a vector with a repeated entry
Create a row vector of length n, filled with 4's, for example, if n = 3 output = [4 4 4] make sure to round UP when n is a...

mer än 6 år ago

Solved

Matlab Basics II - Velocity of a particle
A particle is moving in space, such that it's velocity is given by: <<http://s30.postimg.org/5rf1xtvj5/cody1.png>> write a...

mer än 6 år ago

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Matlab Basics II - Minimum
Write a function that returns the minimum of each ROW of a matrix x example: x = [1 2 3; 4 5 6]; output [1;4];

mer än 6 år ago

Solved

Matlab Basics II - Extract last 3 elements of a vector
Let x be a vector of unknown length, we are always interested in the last 3 numbers in the vector, write a function that gives t...

mer än 6 år ago

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Matlab Basics II - Count rows in a matrix
Write a function that returns that number of rows in a vector or matrix x example: x = [1; 2; 3] output = 3

mer än 6 år ago

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Matlab Basics II - squares
Write a function that takes matrix A, and squares each element in the matrix example: A = [1 2 3] output = [1 4 9]

mer än 6 år ago

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Matlab Basics II - Intervals
Write a function that takes an interval from a to b, and divides it into 5 parts example: a = 1, b = 2 output = 1 1.25 ...

mer än 6 år ago

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Matlab Basics II - Log and natural log
Write a function that calculates the difference between the log and natural log of a vector, to two decimal places example: ...

mer än 6 år ago

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Matlab Basics II - Find the roots of a function
Write a function that finds where a curve crosses zero (the x-axis) to two decimal places Example: <<http://s14.postimg.o...

mer än 6 år ago

Solved

Matlab Basics II - 3 Dimensional Arrays
Assume x is a 3D array with n pages, representing students in a class, for each student (page in the array, the 3rd dimension), ...

mer än 6 år ago

Solved

Matlab Basics II - Operations and Matrix Dimensions
Write a function that takes two inputs, a & b, and outputs the sum and product of the two matrices. The matrices have OPPOSITE d...

mer än 6 år ago

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Matlab Basics II - Unit Conversion
Write a function that converts Kg to lbs, returns the answer to the nearest 1/100th of a pound

mer än 6 år ago

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Matlab Basics - Assigning Variables
Assign different types of data to variables: integer, double, and strings Example: A is a double, for example 2.34 B is a...

mer än 6 år ago

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Matlab Basics - Create a row vector
Write a Matlab script to create a row vector of 10 consecutive numbers x = [1 2 3 4 5 6 7 8 9 10]

mer än 6 år ago

Solved

Matlab Basics - Pick out parts of a vector
Consider x a vector of length >= 7 (there are at least 7 elements in the vector, write a script that extracts the 2nd element, a...

mer än 6 år ago

Solved

Matlab Basics - Switching Assignments
Switch assignments for variables x and y, for example start with x = 1 and y = 3 end with y = 1 and x = 3 Do NOT simply r...

mer än 6 år ago

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Matlab Basics - Set unwated parts of a vector to zero
Consider a vector x, of length >= 7, write a script to set elements 2, 5, and 6 to zero. e.g. x = [1 2 3 4 5 6 7] --> x = [1 ...

mer än 6 år ago

Solved

Matlab Basics - Convert a row vector to a column vector
Write a script to convert a row (e.g. x = [1 2 3]) to a column (e.g. y = [1;2;3]), your script should be able to do this for any...

mer än 6 år ago

Solved

Matlab Basics - y as a function of x
write a script to calculate y as a function of x, such that y = 6x^2 + 5x - 2

mer än 6 år ago