Computers And Technology High School

Write the MATLAB code necessary to create the variables in (a) through (d) or calculate the vector computations in (e) through (q). If a calculation is not possible, set the variable to be equal to NaN, the built-in value representing a non-number value. You may assume that the variables created in parts (a) through (d) are available for the remaining computations in parts (e) through (q). For parts (e) through (q) when it is possible, determine the expected result of each computation by hand.
(a) Save vector [3-25] in Va
(b) Save vector-1,0,4]in Vb.
(c) Save vector 19-46-5] in Vc.I
(d) Save vector [7: -3, -4:8] in V
(e) Convert Vd to a row vector and store in variable Ve.
(f) Place the sum of the elements in Va in the variable S1.
(9) Place the product of the last three elements of Vd in the variable P1.
(h) Place the cosines of the elements of Vb in the variable C1. Assume the values in Vb are angles in radians.
(i) Create a new 14-element row vector V14 that contains all of the elements of the four original vectors Va, Vb, Vc, and Vd. The elements should be in the same order as in the original vectors, with elements from Va as the first three, the elements from Vb as the next three, and so forth.
(j) Create a two-element row vector V2 that contains the product of the first two elements of Vc as the first element and the product of the last two elements of Vc as the second element.
(k) Create a two-element column vector V2A that contains the sum of the odd-numbered elements of Vc as the first element and the
sum of the even-numbered elements of Vc as the second element.
(l) Create a row vector ES1 that contains the element-wise sum of the corresponding values in Vc and Vd.
(m) Create a row vector DS9 that contains the element-wise sum of the elements of Vc with the square roots of the corresponding elements of Vd.
(n) Create a column vector EP1 that contains the element-wise product of the corresponding values in Va and Vb.
(0) Create a row vector ES2 that contains the element-wise sum of the elements in Vb with the last three elements in Vd. (p) Create a variable S2 that contains the sum of the second elements from all four original vectors, Va, Vb, Vc, and Vd.
(q) Delete the third element of Vd, leaving the resulting three-element vector in Vd

Answers

Answer 1

MATLAB creates variables and vectors. Va values. Calculate Va (S1), the product of Vd's last three components (P1), and Vb's cosines (C1). Va-Vd 14. V2 products, V2A sums, ES1 element-wise sums, and DS9 Vd square roots. We also construct EP1 as a column vector with element-wise products of Va and Vb, ES2 as a row vector with element-wise sums of Vb and the last three components of Vd, and S2 as the sum of second elements from all four original vectors. Third Vd.

The MATLAB code provided covers the requested computations step by step. Each computation is performed using appropriate MATLAB functions and operators. The code utilizes indexing, concatenation, element-wise operations, and mathematical functions to achieve the desired results. By following the code, we can obtain the expected outcomes for each computation, as described in the problem statement.

(a) The MATLAB code to save vector [3-25] in variable Va is:

MATLAB Code:

Va = 3:25;

(b) The MATLAB code to save vector [-1, 0, 4] in variable Vb is:

MATLAB Code:

Vb = [-1, 0, 4];

(c) The MATLAB code to save vector [19, -46, -5] in variable Vc is:

MATLAB Code:

Vc = [19, -46, -5];

(d) The MATLAB code to save vector [7: -3, -4:8] in variable Vd is:

MATLAB Code:

Vd = [7:-3, -4:8];

(e) The MATLAB code to convert Vd to a row vector and store it in variable Ve is:

MATLAB Code:

Ve = Vd(:)';

(f) The MATLAB code to place the sum of the elements in Va in the variable S1 is:

MATLAB Code:

S1 = sum(Va);

(g) The MATLAB code to place the product of the last three elements of Vd in the variable P1 is:

MATLAB Code:

P1 = prod(Vd(end-2:end));

(h) The MATLAB code to place the cosines of the elements of Vb in the variable C1 is:

MATLAB Code:

C1 = cos(Vb);

(i) The MATLAB code to create a new 14-element row vector V14 that contains all the elements of Va, Vb, Vc, and Vd is:

MATLAB Code:

V14 = [Va, Vb, Vc, Vd];

(j) The MATLAB code to create a two-element row vector V2 that contains the product of the first two elements of Vc as the first element and the product of the last two elements of Vc as the second element is:

MATLAB Code:

V2 = [prod(Vc(1:2)), prod(Vc(end-1:end))];

(k) The MATLAB code to create a two-element column vector V2A that contains the sum of the odd-numbered elements of Vc as the first element and the sum of the even-numbered elements of Vc as the second element is:

MATLAB Code:

V2A = [sum(Vc(1:2:end)), sum(Vc(2:2:end))];

(l) The MATLAB code to create a row vector ES1 that contains the element-wise sum of the corresponding values in Vc and Vd is:

MATLAB Code:

ES1 = Vc + Vd;

(m) The MATLAB code to create a row vector DS9 that contains the element-wise sum of the elements of Vc with the square roots of the corresponding elements of Vd is:

MATLAB Code:

DS9 = Vc + sqrt(Vd);

(n) The MATLAB code to create a column vector EP1 that contains the element-wise product of the corresponding values in Va and Vb is:

MATLAB Code:

EP1 = Va .* Vb';

(o) The MATLAB code to create a row vector ES2 that contains the element-wise sum of the elements in Vb with the last three elements in Vd is:

MATLAB Code:

ES2 = Vb + Vd(end-2:end);

(p) The MATLAB code to create a variable S2 that contains the sum of the second elements from all four original vectors, Va, Vb, Vc, and Vd is:

MATLAB Code:

S2 = Va(2) + Vb(2) + Vc(2) + Vd(2);

(q) The MATLAB code to delete the third element of Vd, leaving the resulting three-element vector in Vd is:

MATLAB Code:

Vd(3) = [];

Learn more about MATLAB here:

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Related Questions

Explain the steps to generate machine code from a C/C++ code.

Answers

To generate machine code from a C/C++ code, the process involves three steps: preprocessing, compilation, and assembly.

1. Preprocessing: The first step in generating machine code is preprocessing. In this step, the preprocessor scans the C/C++ code and performs tasks such as removing comments, expanding macros, and including header files. The preprocessor directives, indicated by the '#' symbol, are processed to modify the code before compilation.

2. Compilation: Once the preprocessing step is complete, the code is passed to the compiler. The compiler translates the preprocessed code into assembly language, which is a low-level representation of the code. It performs lexical analysis, syntax analysis, and semantic analysis to check for errors and generate an intermediate representation called object code.

3. Assembly: In the final step, the assembly process takes place. The assembler converts the object code, generated by the compiler, into machine code specific to the target architecture. It translates the assembly instructions into binary instructions that the computer's processor can directly execute. The resulting machine code is a series of binary instructions representing the executable program.

By following these three steps, C/C++ code is transformed from its human-readable form into machine code that can be understood and executed by the computer.

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Define a class named AnimalHouse which represents a house for an animal. The AnimalHouse class takes a generic type parameter E. The AnimalHouse class contains: - A private E data field named animal which defines the animal of an animal house. - A default constructor that constructs an animal house object. - An overloaded constructor which constructs an animal house using the specified animal. - A method named getanimal () method which returns the animal field. - A method named setanimal (E obj) method which sets the animal with the given parameter. - A method named tostring() which returns a string representation of the animal field as shown in the examples below. Submit the AnimalHouse class in the answer box below assuming that all required classes are given.

Answers

The AnimalHouse class represents a house for an animal and contains fields and methods to manipulate and retrieve information about the animal.

How can we define the AnimalHouse class to accommodate a generic type parameter E?

To define the AnimalHouse class with a generic type parameter E, we can use the following code:

```java

public class AnimalHouse<E> {

   private E animal;

   public AnimalHouse() {

       // Default constructor

   }

   public AnimalHouse(E animal) {

       this.animal = animal;

   }

   public E getAnimal() {

       return animal;

   }

   public void setAnimal(E obj) {

       this.animal = obj;

   }

   public String toString() {

       return "Animal: " + animal.toString();

   }

}

```

In the above code, the class is declared with a generic type parameter E using `<E>`. The private data field `animal` of type E represents the animal in the house. The class has a default constructor and an overloaded constructor that takes an animal as a parameter and initializes the `animal` field accordingly. The `getAnimal()` method returns the animal field, and the `setAnimal(E obj)` method sets the animal with the given parameter. The `toString()` method overrides the default `toString()` implementation and returns a string representation of the animal field.

Learn more about AnimalHouse

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