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ololo11 [35]
2 years ago
9

Write a function transpose(matrix) that returns the transpose of the input matrix, which is represented as a list of lists. Reca

ll that the transpose of a matrix is obtained by swapping its rows with its columns. More concretely, the equality matrix[i][j] transpose(matrix)[j][i] should hold for all valid indices i and j. You may assume that the input matrix is well-formed, i.e., that each row is of equal length. You may further assume that the input matrix is non-empty. Your function should not modify the input. transpose([[1, 2, 3]]) [[1], [2], [3]] transpose([[1, 2], [3, 4], [5, 6]]) [[1, 3, 5], [2, 4, 6]]
Computers and Technology
1 answer:
mariarad [96]2 years ago
4 0

Answer:you eat

Explanation:yea

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True false) ther are five arrow keys on the keborad​
cluponka [151]

Answer:

false, there's only 4

Explanation:

5 0
3 years ago
Consider a pipelined processor with just one level of cache. assume that in the absence of memory delays, the baseline cpi of th
babunello [35]

Alternative 1:A small D-cache with a hit rate of 94% and a hit access time of 1 cycle (assume that no additional cycles on top of the baseline CPI are added to the execution on a cache hit in this case).Alternative 2: A larger D-cache with a hit rate of 98% and the hit access time of 2 cycles (assume that every memory instruction that hits into the cache adds one additional cycle on top of the baseline CPI). a)[10%] Estimate the CPI metric for both of these designs and determine which of these two designsprovides better performance. Explain your answers!CPI = # Cycles / # InsnLet X = # InsnCPI = # Cycles / XAlternative 1:# Cycles = 0.50*X*2 + 0.50*X(0.94*2 + 0.06*150)CPI= 0.50*X*2 + 0.50*X(0.94*2 + 0.06*150) / X1= X(0.50*2 + 0.50(0.94*2 + 0.06*150) ) / X= 0.50*2 + 0.50(0.94*2 + 0.06*150)= 6.44Alternative 2:# Cycles = 0.50*X*2 + 0.50*X(0.98*(2+1) + 0.02*150)CPI= 0.50*X*2 + 0.50*X(0.98*(2+1) + 0.02*150) / X2= X(0.50*2 + 0.50(0.98*(2+1) + 0.02*150)) / X= 0.50*2 + 0.50(0.98*(2+1) + 0.02*150)= 3.97Alternative 2 has a lower CPI, therefore Alternative 2 provides better performance.

8 0
2 years ago
What were the important developments that occurred in photography that facilitated the creation of motion pictures? Two critical
8_murik_8 [283]

Answer:

"A moving picture is an illusion that makes a still photo seem to move. The basic principal behind motion pictures is the fast transition between one picture to the next, almost creating a seamless transition. A flip-book is a good example of this. Another example would be film used for old movies. The film contains negatives of an image which when light is shined through creates a "shadow" of the image. If you quickly transition the film from one image to the next you end up a motion picture."

Explanation:

7 0
3 years ago
Plz plz plz plz plz plz plz plz plz plz plz pl plz plz plz plz plz plz plz plz plz plz plz plz olz plz plz
zvonat [6]

REM PROGRAM TO DISPLAY AVERAGE OF TWO NUMBERS

CLS

INPUT “ENTER FIRST NUMBER”; A

INPUT “ENTER SECOND NUMBER”; B

INPUT “ENTER THIRD NUMBER”; C

AV = (A + B + C) / 3

PRINT “AVERAGE OF THREE NUMBERS”; AV

END

hope this helpz

6 0
3 years ago
C++ a. Write a program that uses the function isPalindrome given in example 6-6 (Palindrome). Test your program on the followinn
Whitepunk [10]

Answer:

#include <iostream>

#include <array>

using namespace std;

bool isPalindrome(string str)  

{  

int length = str.length();  

for (int i = 0; i < length / 2; i++)  

 if (toupper(str[i]) != toupper(str[length - 1 - i]))

  return false;  

return true;  

}

int main()

{

array<string, 6> tests = { "madam", "abba", "22", "67876", "444244", "trymEuemYRT" };

for (auto test : tests) {

 cout << test << " is " << (isPalindrome(test) ? "" : "NOT ") << "a palindrome.\n";

}

}

Explanation:

The toupper() addition forces characters to uppercase, thereby making the comparison case insensitive.

5 0
3 years ago
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