Evan Smith

Last seen: 3 månader ago | Active since 2021

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square number
Square a number

nästan 3 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...

nästan 3 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...

nästan 3 år ago

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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...

nästan 3 år ago

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Matlab Basics - Set unwanted 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. Example x = [1 2 3 4 5 6 7] --> ...

nästan 3 år ago

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Matlab Basics - Logical Tests I
Write a script to test whether a year number is for a leap year or not. eg. x = 1884 output = 1 eg. x = 3 output = 0

nästan 3 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]

nästan 3 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 ...

nästan 3 år ago

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What is Sum Of all elements of Matrix
Given the matrix x, return the sum of all elements of matrix. Example: Input x = [ 1 2 0 0 0 0 6 9 3 3 ] ...

nästan 3 år ago

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

nästan 3 år ago

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Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.
Submit your answer to this problem a multiple of 5 seconds after the hour. Your answer is irrelevant; the only thing that matte...

nästan 3 år ago

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Energy of a photon
*&#9883 &#9762 &#9883 &#9762 &#9883 &#9762 &#9883* Given the frequency F of a photon in giga hertz. Find energy E of this...

nästan 3 år ago

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Draw a '0' in a one matrix!

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

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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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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to the 2 all elements
to the 2 all elements

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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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

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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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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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Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

nästan 3 år ago

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Create an n-by-n null matrix and fill with ones certain positions
The positions will be indicated by a z-by-2 matrix. Each row in this z-by-2 matrix will have the row and column in which a 1 has...

ungefär 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| ...

ungefär 3 år ago

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ungefär 3 år ago

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Find the maximum number of decimal places in a set of numbers
Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not coun...

ungefär 3 år ago

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Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

ungefär 3 år ago

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Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

ungefär 3 år ago

Evan Smith

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Introduction to MATLAB Master

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