Shuoze Xu

Last seen: plus de 3 ans il y a | Actif depuis 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...

plus de 3 ans il y a | 1 réponse | 0

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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: ",'...

plus de 3 ans il y a | 1 réponse | 0

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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) ...

plus de 3 ans il y a | 2 réponses | 0

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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...

plus de 3 ans il y a | 1 réponse | 0

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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...

plus de 3 ans il y a | 2 réponses | 0

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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...

plus de 3 ans il y a | 1 réponse | 0

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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...

plus de 3 ans il y a | 1 réponse | 0

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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...

plus de 3 ans il y a | 1 réponse | 0

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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...

plus de 3 ans il y a | 1 réponse | 0

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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...

plus de 3 ans il y a | 1 réponse | 0

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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...

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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...

plus de 3 ans il y a | 2 réponses | 0

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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...

plus de 3 ans il y a | 1 réponse | 1

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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...

presque 4 ans il y a | 1 réponse | 0

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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...

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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...

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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. ...

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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...

presque 4 ans il y a | 1 réponse | 0

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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 ...

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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 ...

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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...

presque 4 ans il y a | 2 réponses | 0

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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 ...

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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...

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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^-'...

presque 4 ans il y a | 1 réponse | 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...

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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...

plus de 6 ans il y a | 1 réponse | 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.

plus de 6 ans il y a | 1 réponse | 0

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