how to add points to the tour in tsp java
Answers
Adding points to the tour in TSP (Travelling Salesman Problem) in Java requires defining a tour as an array of integer values representing the order of visited cities. To add a new city to the tour, we first need to identify the distance between the current city and the new city.
One way to calculate the distance between two cities is by using the Euclidean distance formula, which can be implemented in Java as follows:
public static double distance(int x1, int y1, int x2, int y2) {
return Math.sqrt(Math.pow((x2 - x1), 2) + Math.pow((y2 - y1), 2));
}
Once we have the distance between the current city and the new city, we can update the tour by inserting the new city at the appropriate position. To determine the appropriate position, we need to calculate the insertion point that minimizes the increase in tour length.
This can be done by iterating through the tour and calculating the increase in tour length for each possible insertion point.
Here's an example code snippet that adds a new city to the tour:
public static int[] addCity(int[] tour, int x, int y) {
int[] newTour = new int[tour.length + 1];
double minIncrease = Double.POSITIVE_INFINITY;
int bestIndex = -1;
// Iterate through the tour and find the best insertion point
for (int i = 0; i < tour.length; i++) {
double increase = distance(x, y, xCoords[tour[i]], yCoords[tour[i]]) +
distance(x, y, xCoords[tour[(i + 1) % tour.length]], yCoords[tour[(i + 1) % tour.length]]) -
distance(xCoords[tour[i]], yCoords[tour[i]], xCoords[tour[(i + 1) % tour.length]], yCoords[tour[(i + 1) % tour.length]]);
if (increase < minIncrease) {
minIncrease = increase;
bestIndex = i;
}
}
// Update the tour with the new city
for (int i = 0; i <= bestIndex; i++) {
newTour[i] = tour[i];
}
newTour[bestIndex + 1] = tour[bestIndex];
for (int i = bestIndex + 2; i < newTour.length; i++) {
newTour[i] = tour[i - 1];
}
return newTour;
}
In this code, the addCity method takes the current tour as input along with the x and y coordinates of the new city. It returns the updated tour with the new city inserted at the appropriate position. The method first creates a new array with a length one greater than the current tour.
It then iterates through the tour to find the best insertion point by calculating the increase in tour length for each possible insertion point. Finally, it updates the tour by inserting the new city at the best insertion point.
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Related Questions
Discussion Topic
How does social media affect the process of globalization? Give examples. In what
ways does social media help in creating global communities? Discuss other positive
influences of social media. What might be the adverse effects of excessive use of social
media?
Answers
Answer:
Social media positively affects and impacts the process of globalization. ... Global communities is a social infrastructure tool and as social media helps in strengthening social relationships and bringing people and communities together it leads to creating a string global community.
How do you turn Track changes on?
A.) Select the review tab the track changes.
B.) Select the review tab then new comment.
C.) select the file tab then track changes.
D.) Select the reference tab then track changes.
help me
Answers
To turn on Track Changes in Microsoft Word, you need to follow these steps: A.) Select the "Review" tab, then click on "Track Changes."
How do you turn Track changes on?A person have the option to activate or deactivate the "Track Changes" function in the designated section.
When the Track Changes function is enabled, all alterations made to the document will be documented and presented with formatted indicators.
Therefore, the correct answer is option A.) Select the review tab then click on "Track Changes."
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I really do need help asap
Answers
The third one.
Explanation:
The first answer is missing colons after the "if-else" clauses.
The second answer is missing quotes inside the print statements.
The fourth answer is missing indentation (which results in a syntax error in Python).
combining strings. assign secretid with firstname, a space, and lastname. ex: if firstname is barry and lastname is allen, then output is: barry allen java
Answers
To combine strings in the given format of firstname, followed by a space, and then lastname, you can concatenate the strings and assign the result to secretid. For example, if firstname is "Barry" and lastname is "Allen," the output would be "Barry Allen."
To achieve the desired output format, you can use string concatenation in your programming language of choice. The specific implementation may vary depending on the programming language you are using, but the general approach remains the same.
Here's an example using Java:
String firstname = "Barry";
String lastname = "Allen";
String secretid = firstname + " " + lastname;
System.out.println(secretid);
In this Java example, we declare two string variables, firstname and lastname, with the respective values "Barry" and "Allen". Then, we concatenate the strings using the + operator, along with a space enclosed in double quotes, to separate the firstname and lastname. The result is assigned to the secretid variable. Finally, we print the secretid, which outputs "Barry Allen" as the combined string.
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What is hierarchy/hierarchical?
Answers
Answer:
A hierarchical is an organizational structure in which items are ranked according to levels of importance. Most governments, corporations and organized religions are hierarchical
* a 2x3x3 factorial design arranges how many combinations of conditions?
Answers
A 2x3x3 factorial design would arrange a total of 18 combinations of conditions. This is because there are 2 levels for one factor, 3 levels for another factor, and 3 levels for a third factor.
To calculate the total number of combinations, you would multiply the number of levels for each factor together (2x3x3 = 18). It's important to note that this is different from calculating permutations or combinations, as those involve ordering or selecting items, whereas a factorial design simply arranges all possible combinations of conditions.A 2x3x3 factorial design arranges 18 combinations of conditions. This is because the 2x3x3 design has three independent variables, each with two, three, and three levels, respectively. To determine the total number of combinations, we simply multiply the number of levels for each independent variable: 2 x 3 x 3 = 18. Each combination of conditions represents a unique group in the study, and allows researchers to examine the main effects of each independent variable, as well as their interactions.
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Which best explains the purpose of the subhead “Machine Learning Goes Deep”?
Answers
The factor that can explains the purpose of the subhead “Machine Learning Goes Deep” is that artificial intelligence.
What is machine learning deep learning?Deep learning is known to be a kind of machine learning, it is one that is known to be an aspect of artificial intelligence.
Note that Machine learning is centered around computers think and act with little or no human intervention and as such, The factor that can explains the purpose of the subhead “Machine Learning Goes Deep” is that artificial intelligence.
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You have posted some embarrassing photos of a friend onto the Internet. After
thinking about it, you decide to remove the photos. How can you be sure the photos
are completely removed from
the Internet?
O Simply delete the photos you posted.
O You can contact the Internet authorities and they will remove all of the photos for you.
O You can't. Copies and reposts could keep the photos circulating online indefinitely.
O You have 24 hours to delete the photos before they are available to anyone else.
Answers
Answer:
C
Explanation:
The photo is completely not removed from the Internet, as you can't. Copies and reposts could keep the photos circulating online indefinitely. The correct option is c.
What is the internet?The Internet, sometimes known as "the Net," is a global system of computer networks. It is a network of networks that allows users at any one computer to obtain information from any other computer with permission (and sometimes talk directly to users at other computers).
Both the Internet and the Internet simulator connect numerous devices to develop communication, which makes them comparable. The internet is a global computer networking system. It connects computers all over the world.
Therefore, the correct option is c, You can't. Copies and reposts could keep the photos circulating online indefinitely.
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Which of the following type of network is NOT available in Windows Firewall in Windows 10?
A. Public network
B. Domain network
C. Home group network
D. Private network
Answers
Option C i.e Home Group Network is NOT available in Windows Firewall in Windows 10. Windows Defender Firewall with Advanced Security offers host-based, two-way network traffic filtering that stops unauthorized network traffic from coming into or going out of the local device.
The following best practices will help you configure your Windows Firewall in a way that maximizes protection for network devices. These suggestions apply to a variety of deployments, including residential networks and corporate desktop/server systems. The Windows Defender Firewall's default settings for the local machine are visible when you first launch it.
• Domain profile: Used in networks with a mechanism of account authentication against an Active Directory domain controller is the domain profile.
• Private profile: Ideal for usage in private networks like a home network and designed for them
• Public profile: Created with greater security for public networks, such as Wi-Fi hotspots, coffee shops, airports, hotels, or retail establishments
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what is the meaning of .net in computer
Answers
Answer:
.net is a top-level domain, also known as a TLD. Derived from the word network, it was originally developed for companies involved in networking technology. Today .net is one of the most popular domain names used by companies all over the world to launch their business online.
What are some websites to watch free movies on? (anybody answer with like 3 or 4 websites)
Answers
fox that what i get on at school
Answer:Kodi with builds
Explanation:
its a perfectly safe download
Only length-1 arrays can be converted to python scalars.
a. True
b. False
Answers
Only length-1 arrays can be converted to python scalars.This statement is False.
What is python scalars?
In Python, a scalar is a single value, such as an integer, floating-point number, or Boolean value. Scalars are used to represent quantities that are not collections or arrays of values. They are often used in mathematical calculations, comparisons, and logical operations.
This statement is False, with some caveats.
In Python, a scalar is a single value, such as an integer, floating-point number, or Boolean value. An array is a collection of values, so it is not a scalar. However, NumPy, a popular numerical computing library in Python, provides an ndarray data type that can be used to represent arrays of values.
When using NumPy, there are several ways to convert an array to a scalar, but only if the array has a length of 1. For example, you can use the item() method to extract the single value in the array:
import numpy as np
a = np.array([1])
scalar = a.item() # scalar is now 1
imilarly, you can use indexing to extract the single value:
import numpy as np
a = np.array([1])
scalar = a[0] # scalar is now 1
However, if the array has a length greater than 1, you cannot convert it to a scalar using these methods. For example:
import numpy as np
a = np.array([1, 2])
scalar = a.item() # raises ValueError: can only convert an array of size 1 to a Python scalar
In summary, the statement "only length-1 arrays can be converted to Python scalars" is mostly true, but it depends on the context and the specific library or method being used. In general, if you have an array with a length greater than 1, you should use array-specific operations and methods to manipulate the array rather than trying to convert it to a scalar.
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an expression attached to an if statement should evaluate to a boolean data type. True or False?
Answers
True. An expression attached to an if statement is used to test a condition, and the condition must evaluate to a boolean data type, which can only be either true or false.
In programming languages such as C, C++, Java, and Python, a non-boolean expression is implicitly converted to a boolean value in the if statement's condition. Any non-zero numerical value, non-empty strings, and non-null objects are converted to true, while zero, empty strings, and null objects are converted to false. It is important to ensure that the expression attached to an if statement is of the proper type to avoid errors and unexpected behavior in the program. An expression attached to an if statement is used to test a condition, and the condition must evaluate to a boolean data type, which can only be either true or false.
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MS Word
6.What adds artistic effects to the picture to make it more look like a sketch or painting.?
7. It improves the brightness, contrast or sharpness of the picture.
Answers
The thing that adds artistic effects to the picture to make it more look like a sketch or painting is:
To add artistic effects to a picture to make it look like a sketch or painting, you can use photo editing software or an app that has filters or effects that mimic the look of a sketch or painting. Some popular options for this include Adobe Photoshop, GIMP, and Prisma.How do one improve brightness?To improve the brightness, contrast, or sharpness of a picture, you can also use photo editing software or an app.
These tools typically have features such as brightness/contrast adjustments, sharpening filters, and other image enhancement tools that allow you to fine-tune the appearance of your photo.
Therefore, Some popular options for this include Adobe Photoshop, GIMP, and Lightroom. You can also use these tools to adjust the color balance, saturation, and other aspects of the image to achieve the desired look.
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3. write a while loop that sums the values 1 through end, inclusive. end is a variable that we define for you. so, for example, if we define end to be 6, your code should print out the result:
Answers
This while loop adds the value of i to the total each time the loop runs. It starts at i = 1 and adds 1 to i each time until it reaches the value of end (6). The final result is printed, which in this case is 21.
total = 0
end = 6
i = 1
while i <= end:
total += i
i += 1
print(total)
Looping is the process of repeating a set of instructions or statements within a program. It involves running the same code multiple times, with the output of one iteration becoming the input for the next. Loops are an incredibly powerful tool that allow us to iterate over data sets, automate processes, and create complex algorithms. Loops can be used to simplify solutions to complex problems, increase efficiency, and reduce code redundancy.
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what are the numeric values created by an assembler that represent cpu machine instructions?
Answers
When a high-level programming language is translated to a low-level machine language, an assembler creates machine instructions.
These machine instructions are binary values that the CPU can read and execute. Machine instructions can be represented in different ways, but the most common representation is in hexadecimal (base 16) notation.Each instruction is typically represented by a fixed number of bytes. For example, a simple instruction to move a value from one register to another might be represented as two bytes: one byte for the opcode (the operation to be performed), and another byte for the operands (the registers that hold the values to be moved).In addition to the opcode and operands, machine instructions may include other information such as memory addresses, constants, and flags. All of this information is encoded into binary values that the CPU can interpret and execute.To know more about assembler visit:
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Decrypt this secret message if your able to a lot will come..
Answers
dNch/dy=8000
Failure
Failure
Failure
The Decrypt message is
dNch/dy=8000FAILUREFAILUREFAILURETo decrypt / decipher an encoded message, it is necessary to know the encryption used (or the encoding method, or the implemented cryptographic principle).
To decrypt the given message, consider the mirror image of each value as
First, the message in first line is the mirror image of alphabets as which coded as
dNch / dy = 8000
and, the remaining three lines have same values which is the mirror image of the word "FAILURE".
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Which is true regarding diagramming? It involves writing an algorithm. It presents the programming code. It shows the flow of information and processes to solve the problem. It models solutions for large problems only.
Answers
Answer:
It shows the flow of information and processes to solve the problem.
Explanation:
Answer:
C
Explanation:
Got it right on Edge 2021:)
Your welcome
During which phase of the software development process are developers most likely to log bugs?
Answers
Answer:
During the Evaluation phase of software development process are developers most likely to log bugs.
Hope this helps! :)
it refers to the kind of activity that you are going to perform or methods of training to used
A.type
B.frequency
C.intensity
D.time
Answers
15. Which station in an ethernet frame contain for data from higher layer such as internet protocol IP and the transport and application layers?A.PayloadB. PreambleC. Frame check sequenceD.
Answers
A. Payload
The payload of an Ethernet frame contains the data from higher layers, such as the Internet Protocol (IP) and the Transport and Application Layers. The payload is located after the Ethernet header, which contains information such as the source and destination MAC addresses. The preamble and frame check sequence (FCS) are also part of the Ethernet frame, but they do not contain data from the higher layers. The preamble is used to synchronize the receiving device's clock with the sender's clock, while the FCS is used to verify the integrity of the data in the frame.
help please asap please l
Answers
Answers:
(a) Processor type
(b) Processor speed
(c) Display size
(d) Resolution
(e) Drive size
(f) Memory size
(g) Memory type
(h) Available interfaces
(i) Operating system
(j) Utilities
♛ Mark me as Brainliest if I’m right
When a presentation goes beyond __________ minutes, the speaker should divide it into major segments by using reviews, questions or graphics.
Answers
Answer:
15 minutes
Explanation:
What is an index entry in Word?
Answers
Answer: An index lists the terms and topics that are discussed in a document, along with the pages that they appear on. To create an index, you mark the index entries by providing the name of the main entry and the cross-reference in your document, and then you build the index
Explanation:
Using style guidelines help a writer determine which topics to cover. arguments to cover. sources to cite. margin settings to apply.
Answers
Answer:
sources to cite.
Explanation:
A citation style guidelines is used by the writer to cite the sources of other writers in his/her work. These style guidelines are used in academic writings to acknowledge the rightful person of any thought or an idea, to avoid plagiarism.
Plagiarism, in simple terms, can be defined as an academic theft. It is an act in which a person uses other's thoughts and ideas to convey it as their own thoughts and idea. To avoid such academic crimes, various citation style guidelines are formes. Such as MLA, APA, etc.
So, the correct answer is 'sources to cite.'
Answer:
C
Explanation:
CALCULATE THE MECHANICAL ADVANTAGE (MA).
DATA: F= 135 kg; b= 4*a; L=15 m
Answers
The mechanical advantage (MA) of the lever system in this scenario can be calculated by dividing the length of the longer arm by the length of the shorter arm, resulting in an MA of 4.
To calculate the mechanical advantage (MA) of the lever system, we need to compare the lengths of the two arms. Let's denote the length of the shorter arm as 'a' and the length of the longer arm as 'b'.
Given that the longer arm is four times the length of the shorter arm, we can express it as b = 4a
The mechanical advantage of a lever system is calculated by dividing the length of the longer arm by the length of the shorter arm: MA = b / a.
Now, substituting the value of b in terms of a, we have: MA = (4a) / a.
Simplifying further, we get: MA = 4.
Therefore, the mechanical advantage of this lever system is 4. This means that for every unit of effort applied to the shorter arm, the lever system can lift a load that is four times heavier on the longer arm.
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The complete question may be like:
A lever system is used to lift a load with a weight of 135 kg. The lever consists of two arms, with the length of one arm being four times the length of the other arm. The distance between the fulcrum and the shorter arm is 15 meters.
What is the mechanical advantage (MA) of this lever system?
In this scenario, the mechanical advantage of the lever system can be calculated by comparing the lengths of the two arms. The longer arm (b) is four times the length of the shorter arm (a), and the distance between the fulcrum and the shorter arm is given as 15 meters. By applying the appropriate formula for lever systems, the mechanical advantage (MA) can be determined.
What is Ce stands for?
O Carbon character
O Carbon calender
Carbon copy
O character change
Answers
Explanation:
hello I don't know ok sorry
the countries with the highest software piracy rate in the world include luxembourg, japan, and new zealand.
Answers
The given statement: The countries with the highest software piracy rate in the world includes Luxembourg, Japan, and New Zealand is FALSE.
This is because the countries with the highest software piracy rate in the world are Vietnam and China and they both have piracy rates of 94% and 92% respectively
What is Piracy?This refers to the
Hence, we can see that The given statement: The countries with the highest software piracy rate in the world include Luxembourg, Japan, and New Zealand is FALSE.
This is because the countries with the highest software piracy rate in the world are Vietnam and China and they both have piracy rates of 94% and 92% respectively
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Sean is considering a career in construction but is worried about job security. Which of the following arguments might help convince him to
enter the construction industry? (Select all that apply.)
Because it is site specific, construction work is impossible to outsource.
Even when the economy is poor, demand for building maintenance remains high.
The educational requirements vary depending on the specific construction job.
Construction work varies by season, but all workers have come to expect this.
Answers
Answer:
Because it is site specific, construction work is impossible to outsource.
Even when the economy is poor, demand for building maintenance remains high.
Construction work varies by season, but all workers have come to expect this.
Explanation:
Answer:
Even when the economy is poor, demand for building maintenance remains high.
Because it is site specific, construction work is impossible to outsource.
Explanation:
What i the main advantage of uing high level language than internel machine code
Answers
Answer:
It provide higher level of abstraction from machine languages. It is machine independent language. Easy to learn. Less error prone, easy to find and debug errors.
Explanation: