Shuoze Xu

Last seen: mer än 3 år ago | Active since 2019

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Question

How to print the sum of the middle array's columns ?
Here is an past exam question a) read the dimensions of the matrix from the user and prompt the user for the data needed to fil...

mer än 3 år ago | 1 answer | 0

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answer

Question

Enter a string and print it backwards
Hi. I'm having a problem with how do I print the string backwards. Here is my code. string = input("Please enter a phase: ",'...

mer än 3 år ago | 1 answer | 0

1

answer

Question

The program cannot work
Hi. There is a review question without answer. Here is the question A function is defined as function [dice] = roll(sides) ...

mer än 3 år ago | 2 answers | 0

2

answers

Question

How to implement the output matrix without if conditions
Hi. This is a review problem that requires the use of nested loops to output the following matrix. 1 2 3 3 4 5 4 5 6 7 5 6...

mer än 3 år ago | 1 answer | 0

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answer

Question

how to use conditional statement realizing prime function
Hi. I want to use code to check if a number isprime. I know isprime () but I don't want to use it because I want to know how to...

mer än 3 år ago | 2 answers | 0

2

answers

Question

Compares characters within strings
Hi. I want user to input two words, and then compare The two words. If The words differ in characters: n; If they are the same...

mer än 3 år ago | 1 answer | 0

1

answer

Question

using nested for loop to print all of factorial
Hi. I want to print the factorial of each number from 1 to 100 using a nested loop. Here is my program. factorials = 1; % se...

mer än 3 år ago | 1 answer | 0

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answer

Question

How can decimals not be rounded
Hi. That is my code. float_number = input('Please enter a float point number: '); fprintf("The number is %.2f\n",float_number...

mer än 3 år ago | 1 answer | 0

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answer

Question

How to call the second function inside the first function under the same file
% That is my code % the expected result is : Please enter the first user name: abby Please enter the first user name: bob T...

mer än 3 år ago | 1 answer | 0

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answer

Question

get two sum of two random number are not the same
Hi. I want to get diifferent nums of sum of two random numbers. Which method should i use? That is my code % function file...

mer än 3 år ago | 1 answer | 0

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answer

Question

Find the error may happened
You are testing the exp function above. Which of the following test cases would detect errors which exist in the function (hint...

mer än 3 år ago | 0 answers | 0

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answers

Question

get the minimum and maximum element from two vectors.
Hi. That is question. Write a MATLAB function called minMaxVectors that takes two vectors v1 and v2 (you can assume these vect...

mer än 3 år ago | 2 answers | 0

2

answers

Question

The meaning of code on this program
Hi. i met a question on this program, this is professor's code. While, i confused for the M(r,c) = input(': '); What is pur...

mer än 3 år ago | 1 answer | 1

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answer

Question

reads in n numbers from the user storing the numbers in a vector. Print the numbers from the ends inwards (last, first, second last, second, third）
How many numbers will you enter?: 5 Enter a number: 3 Enter a number: 5 Enter a number: 6 Enter a number: 4 Enter a nu...

mer än 3 år ago | 1 answer | 0

1

answer

Question

calculate the number of odd fence values instead of printing them
Sample Output: Given A = [ 5, 4, 6, 7, 3 ; 1, 2, 3, 4, 5 ; 5, 6, 4, 2, 4 ; 4, 5, 3, 2, 1] % output demo There are 9 odd val...

mer än 3 år ago | 2 answers | 0

2

answers

Question

read the values of a 3 x 3 matrix from the user, then output
Read the values of a 3 x 3 matrix from the user, then output the outlier rows and columns % output demo Sample Output: En...

mer än 3 år ago | 1 answer | 1

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answer

Question

The purpose of code on programming
Hi. I met a few questions when i watch this code i seen the comment, but i have no idea why the picture produced like that. ...

mer än 3 år ago | 1 answer | 0

1

answer

Question

The meaning of code on this program
Hi. That is a code which produce a difference picture on Matlab. That is my professor code, but i cannot fully understand. Th...

mer än 3 år ago | 1 answer | 0

1

answer

Question

The meaning and function of codes on programming
Hi. i learned a method which can ask user for a word and output a random permutation. But professor showed a kind of method i ...

mer än 3 år ago | 1 answer | 0

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Question

Left-rotating a vector
we define a vector A and create a new vector B containing the elements of A shifted one index to the left. % As an example A ...

mer än 3 år ago | 1 answer | 0

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Question

How to use nested loop to produce the row and columns like that
Given a 2D array, called A, of size 5 x 5, Sample Output: Given A = [2,4,8,7,3;2,2,3,4,3;5,5,4,2,7;8,2,7,3,9;1,2,3,4,5]; ou...

mer än 3 år ago | 2 answers | 0

2

answers

Question

reads in n numbers from the user,storing the numbers in a vector, then print the numbers from the ends inwards(last,first,second last,second)
% question demo % How many numbers will you enter? : 5 % Enter a number: 3 % Enter a number: 5 % Enter a number: 6 % Enter ...

mer än 3 år ago | 1 answer | 0

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answer

Question

What is the meaning of symbol “.”in this code
I was watching a tutorial today on graphics, and one line of code went like this. x = linspace(0,3); y = x.^2.*sin(x); plot(x,y...

mer än 3 år ago | 2 answers | 0

2

answers

Question

Why program shows Unrecognized function or variable 'g'.
% legend() function x = 0:0.5:4*pi; y = sin(x); h = cos(x); w = 1./(1+exp(-x)); plot(x,y,'bd-',x,h,'g:',x,w,'ro-',x,g,'c^-'...

mer än 3 år ago | 1 answer | 0

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Question

How to get the multiplication of elements in a row vector by using for loop
% create a vector A = [-2,4,9,-5,1]; Mult = 0; % create a for loop for i = 1:length(A) Mult = Mult * A(i) ; end % d...

mer än 3 år ago | 1 answer | 0

1

answer

Question

function(return driver)
Write a MATLAB function called triple that takes a number as its parameter and returns a value that is three times its parameter...

ungefär 6 år ago | 0 answers | 0

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Question

Write a script that given a vector, called A, of n numbers, outputs the index of the first number divisible by 3. Sample Output: Given A = [5, 4, 6, 7, 3] divisible by 3 is:3
The index first number divisible by 3 is: 3 but I do not know how to get the position from the vector.

ungefär 6 år ago | 1 answer | 0

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