1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Anika [276]
3 years ago
14

What is the determinant of the identity matrix I?​

Computers and Technology
1 answer:
Colt1911 [192]3 years ago
6 0

Answer:

Explanation:

The ith column of an identity matrix is the unit vector ei (the vector whose ith entry is 1 and 0 elsewhere) It follows that the determinant of the identity matrix is 1, and the trace is n. When the identity matrix is the product of two square matrices, the two matrices are said to be the inverse of each other.

You might be interested in
Explain the steps you take to complete an Internet search. Do you use a particular search engine every time or do you alternate?
Naddik [55]
1. Personally, I always use the same search engine, which is Google. I once opened Bing mistakenly, but obviously returned to Google immediately. Google is my preferred choice because I've used it for such a long time that I've gotten so used to it and cannot change it. The other search engines don't look as appealing to me as Google.

2. Some advantages would be definitely the format of the information you get from a search engine as opposed to the metasearch engine - sometimes, the metasearch engine cannot provide you with complete results or even complete sentences, so you may be left with illegible texts. On the other hand, metasearch engines can give you so much more information than regular search engines.

3. If the credentials seem legit, based on particular rules as to how to write sources used (such as Chicago style, APA, etc.), then you can safely assume the source is credible. If the author wrote everything necessary in his text (especially works cited/links available), you can usually trust that source.
5 0
3 years ago
5.23 LAB: Contains the character
torisob [31]

Answer:

In C++:

#include<iostream>

#include<vector>

using namespace std;

int main() {

int len;

cout<<"Length: ";  cin>>len;

string inpt;

vector<string> vect;

for(int i =0;i<len;i++){

  cin>>inpt;

  vect.push_back(inpt); }

char ch;

cout<<"Input char: ";  cin>>ch;  

for(int i =0;i<len;i++){

  size_t found = vect.at(i).find(ch);  

      if (found != string::npos){

          cout<<vect.at(i)<<" ";

          i++;

      }

}  

return 0;

}

Explanation:

This declares the length of vector as integer

int len;

This prompts the user for length

cout<<"Length: ";  cin>>len;

This declares input as string

string inpt;

This declares string vector

vector<string> vect;

The following iteration gets input into the vector

for(int i =0;i<len;i++){

  cin>>inpt;

  vect.push_back(inpt); }

This declares ch as character

char ch;

This prompts the user for character

cout<<"Input char: ";  cin>>ch;  

The following iterates through the vector

for(int i =0;i<len;i++){

This checks if vector element contains the character

  size_t found = vect.at(i).find(ch);  

If found:

      if (found != string::npos){

Print out the vector element

          cout<<vect.at(i)<<" ";

And move to the next vector element

          i++;

      }

}  

7 0
2 years ago
Describe a psychological challenge of space travel that astronauts can face.
Anna11 [10]

Answer:

Loneliness

Explanation:

It is logical that an astronaught could be lonely up in space due to the absence of loved ones.

6 0
3 years ago
COMPUTER SCIENCE HELP!!!!!
maw [93]
1.( I need to know what program this is for to answer this one)
2.Explain a game you played for this one and include a interactive element it had like a Side-quest/Npc/Cool Background ect.
3.For 3D games you have to worry about smoothing and lighting, as for 2D you have to worry about keeping the objects within the players POV as they are usually locked to character and stuck facing one direction.
4.???(need progam name)
5.If the game is based in a snow biome you would use snow landscape textures.
8 0
4 years ago
Guidelines on how to write a report on how technology has affected office duties
UNO [17]

Answer:

weweweweweewewwewweewewweeew

Explanation:

weweweweewweweweewweewweewewew

5 0
3 years ago
Other questions:
  • Which field data type would you use if you'd like to store videos in that field a text b memo c Boolean D binary object E null
    11·2 answers
  • How can we lock pubg game from Play Store???​
    12·2 answers
  • Bubbles are seen in the sight glass of an R-12 system. Technician A says this that indicates a fully charged system. Technician
    12·1 answer
  • The easiest way to run a web page that’s already in your browser after you’ve made changes to the code for the page is to
    6·1 answer
  • ____________________ parameters are useful in three situations: • When the value of the actual parameter needs to be changed • W
    5·1 answer
  • Which of the following is one of the tools in REPL.it that helps prevent syntax errors?
    10·1 answer
  • An analogue sensor has a bandwidth which extends from very low frequencies up to a maximum of 14.5 kHz. Using the Sampling Theor
    9·2 answers
  • What do you do when ur grounded from all electronics and can't go outside and have t clean all day
    10·1 answer
  • 0 % 3? Is it 0 or undefined? (% is mod)
    9·1 answer
  • Does any one know how to do addition of binary numbers​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!