Solving First Order Differential Equationsdsolve Symbolic solution of ordinary differential equations.dsolve will not accept equations as strings in a future release.Use symbolic expressions or sym objects instead.For example, use syms y(t); dsolve(diff(y)==y) instead of dsolve('Dy-y).Example 1:Solve y'= y, y(0) = 2syms x y(x)dy(x) = diff(y);Ydsolve(dy==y,y(0) == 2);Example 2:Solve 2)=x√1-1²syms x y(x)dy(x) diff(y);Y = dsolve(dy==x*sqrt(1-y^2));Exercises:Solve the following differential equations1. (1+x)y' - xy = x + x²2. + y = x,y(0) = 4dx3. dy+ysecx = COSXaxScript1%Declare the variables, x, y(x) and dy(x)34 %Solve equation 1, place final Answer as Y15 Y1 =6 %Solve equation 2, place final answer as Y2Y2 =8 % Solve Equation 39 Y3 =My Solutions >Save C Reset E MATLAB Documentation

Solution: 1. To solve (1+x)y' = x+x^2, we can first simplify the equation by dividing both sides…

Solving First Order Differential Equations dsolve Symbolic solution of ordinary differential equations. dsolve will not accept equations as strings in a future release. Use symbolic expressions or sym objects instead. For example, use syms y(t); dsolve(diff(y)==y) instead of dsolve("Dy-y). Example 1: Solve y' = y, y(0) = 2 syms x y(x) dy(x)= diff(y); Y = dsolve(dy==y,y (0) == 2); Example 2: Solve y=x√1-1² syms x y(x) dy(x) = diff(y); Y = dsolve(dy==x*sqrt(1-y^2)); Exercises: Solve the following differential equations 1. (1+x)y' - xy = x+x 2. + y = x, y(0) = 4 dx 3. dy+ysecx = cosx Script 1%Declare the variables, x, y(x) and dy(x) 4 %Solve equation 1, place final Answer as Y1 Y1 = 6 %Solve equation 2, place final answer as Y2 7 Y2 = % Solve Equation 3 9 Y3 = Save C Reset My Solutions > MATLAB Documentation

Solving First Order Differential Equations dsolve Symbolic solution of ordinary differential equations. dsolve will not accept equations as strings in a future release. Use symbolic expressions or sym objects instead. For example, use syms y(t); dsolve(diff(y)==y) instead of dsolve("Dy-y). Example 1: Solve y' = y, y(0) = 2 syms x y(x) dy(x)= diff(y); Y = dsolve(dy==y,y (0) == 2); Example 2: Solve y=x√1-1² syms x y(x) dy(x) = diff(y); Y = dsolve(dy==x*sqrt(1-y^2)); Exercises: Solve the following differential equations 1. (1+x)y' - xy = x+x 2. + y = x, y(0) = 4 dx 3. dy+ysecx = cosx Script 1%Declare the variables, x, y(x) and dy(x) 4 %Solve equation 1, place final Answer as Y1 Y1 = 6 %Solve equation 2, place final answer as Y2 7 Y2 = % Solve Equation 3 9 Y3 = Save C Reset My Solutions > MATLAB Documentation

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Written in Python with docstring please if applicable Thank you
Driver to exercise the use of multiple Rational objects. Creates some rational number objects and performs various operations on them in java.
In python and include doctring: First, write a class named Movie that has four data members: title, genre, director, and year. It should have: an init method that takes as arguments the title, genre, director, and year (in that order) and assigns them to the data members. The year is an integer and the others are strings. get methods for each of the data members (get_title, get_genre, get_director, and get_year). Next write a class named StreamingService that has two data members: name and catalog. the catalog is a dictionary of Movies, with the titles as the keys and the Movie objects as the corresponding values (you can assume there aren't any Movies with the same title). The StreamingService class should have: an init method that takes the name as an argument, and assigns it to the name data member. The catalog data member should be initialized to an empty dictionary. get methods for each of the data members (get_name and get_catalog). a method named add_movie that takes a Movie…
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In C++ Create a new project named lab8_1. You will be implementing two classes: A Book class, and a Bookshelf class. The Bookshelf has a Book object (actually 3 of them). You will be able to choose what Book to place in each Bookshelf. Here are their UML diagrams Book class UML Book - author : string- title : string- id : int- count : static int + Book()+ Book(string, string)+ setAuthor(string) : void+ setTitle(string) : void+ print() : void+ setID() : void And the Bookshelf class UML Bookshelf - book1 : Book- book2 : Book- book3 : Book + Bookshelf()+ Bookshelf(Book, Book, Book)+ setBook1(Book) : void+ setBook2(Book) : void+ setBook3(Book) : void+ print() : void Some additional information: The Book class also has two constructors, which again offer the option of declaring a Book object with an author and title, or using the default constructor to set the author and title later, via the setters . The Book class will have a static member variable…
Write the source code of enum CrewType.
Examples closestToPage({ "Chapter 1" : 1, "Chapter 2" 15, "Chapter 3" : 37 }, 10) "Chapter 2" closestToPage({ "New Beginnings" : 1, "Strange Developments" : 62, "The End?" 194, "The True Ending": 460 },200) "The End?"
Language Python
Java
What would be the missing line of codes?
class Container {private int val1=1;private void printValue(){final int val2=2;class Containee{public void f(){System.out.println(String.format("Values are: %d and %d."),val1);}}}public static void main(String[] args) {(new Container()).printValue();}} a.The above does not compile because the method f() requires an instance of class Container b.The above does not compile because the class definition in done within the body of the function c.The above code complies with no errors, but does not produce any ouput d.The above code does not compile because the methodf() cannot access the variable val1
In comparison to software engineering, what is the role of web engineers?