Anne Nguyen
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Solve a problem for the first time
Awarded to Anne Nguyen on 24 Jan 2023
Accept 5 answers given by other contributors
Awarded to Anne Nguyen on 04 Oct 2019
Feeds
A résolu
Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
presque 2 ans il y a
A résolu
Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
presque 2 ans il y a
Question
Letters from Answer Key to Percentage?
The answer key is: D B C B A C B D D B B A B B A D C % this from G2:W2 in an Excel Spreadsheet While (fo...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
How to save certain parts of cleaned data from Excel Spreadsheet?
What I have so far is: filename = 'quiz_results.xlsx'; sheet = 1; [nums,txt,raw] = xlsread(filename); [nums1,txt1,raw1] ...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
How to only get certain parts of an Excel Spread using readcell?
What I have so far is: M = readcell('quiz_results.xlsx'); answerKey = M('G2:W2'); When I run this, I get a 1x5 cell, and ...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
Percentage to Letter Grade
I must create a function that outputs a letter grade based on the combined percentage a student scored on an multiple choice qui...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
Program that outputs letter grade based on percentage?
How do I create a script that has a program that takes in a student's score from an Excel Spreadsheet (in percent, i.e. 88%), an...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
xlsread function: How to only get certain info from Excel Spreadsheets?
Hello, how do only get certain parts of an Excel Spreadsheet onto a MATLAB script? For example, I only want to include cells G2:...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
Help with echo effect to audio signal code?
How do I create a function that will add an echo effect to the audio signal? The function should take in the sound vector, sampli...
environ 5 ans il y a | 2 réponses | 0
2
réponsesQuestion
Help with problem?
What would the value of d be after the following code is executed? >> vec = linspace(99,44,56); >> vec = reshape(v...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
What are variable scopes?
I looked at the articles on MathWorks, and I still do not understand variable scopes. Can someone please give me a simpler defin...
environ 5 ans il y a | 2 réponses | 0
2
réponsesQuestion
Difference between ' (single quote) vs " (double quote)?
When used in an fprintf or disp function, what is the difference between using only ' (single quote) vs using " (double quote)? ...
environ 5 ans il y a | 1 réponse | 4
1
réponseQuestion
Array vs. Matrix Operations
A row vector and a column vector have compatible sizes. If you add a 1-by-3 vector to a 2-by-1 vector, then each vector implicit...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
rand in matrix?
Is it possible to use rand in a matrix and include a range? I know it is possible with a vector, but I wanted to see if it was p...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
Question about column operator vectors
Why does vec = -1:-5 not output -1 -2 -3 -4 -5? Why does it say 1x0 empty double row vector? An explanation of this ...
environ 5 ans il y a | 2 réponses | 0
2
réponsesQuestion
Explain this please?
x = 2; e = 2.713; c = 5 + (x < 2 || (e < pi)); c = 6 How does the value of c=6 after the code is executed? 2 is not less...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
How do I only take the first 1000 elements of a vector?
My task is to use the first 1000 elements in a vector. So how do I only take the first 1000 elements of a vector? I am new to MA...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
How to write if statement?
How do I write an if statement saying if either input is a matrix, my program should throw a unique error message? (I cannot use...
environ 5 ans il y a | 1 réponse | 0
0
réponseQuestion
How to display unique error message in function code?
Here is my code: function returnVec = repvec(vec, s) returnVec = []; i = 1; for x = vec for y = 1:s ...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
Error: "Not enough input arguments"
Here is the code that I have written so far: function out = repvec(vec, s) vec_size = size(vec); num_row = vec_size(1); ...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
Error with xlim and ylim?
Here is the function I wrote: function [x,y,hitDistance,hitTime] = throwBallFunc(velocity,angle) h = 1.5; % initial height of ...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
Error in xlim and ylim?
This is the code I have so far: plot(x,y); xlabel('Distance (m)'); ylabel('Ball Height (m)'); title('Ball Trajectory'); xl...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
How to add a dashed horizontal line at 0 using plot function?
How I do add a dashed horizontal line on a graph using the plot function?
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
How to plot a dotted black line (without using yline function)?
How do I plot a horizontal dotted black line going from 0 to the maximum value of x? The height of the line should be 0. I canno...
environ 5 ans il y a | 1 réponse | 0
0
réponseQuestion
How to take value from function and put it into disp script?
My task is to "display the words: 'The ball hits the ground at a distance of X meters', where X is the hitDistance from the func...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
How to transpose a matrix without using built-in functions?
How do I write a function (called transposeMat) that returns the transpose of a given 3x3 matrix without using any built-in func...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
Contents in a Vector
Consider the following matrix. A= 13 10 7 1 5 9 5 15 25 How do I 1. Write the contents...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
How to turn assigned vectors into a 3x3 matrix?
How do I turn these vectors into a 3x3 matrix? I am new at MATLab, so any help would be appreciated! vec1 = [1,2,4] vec2 = [5,...
environ 5 ans il y a | 1 réponse | 0
1
réponseQuestion
How to display all decimal numbers for floating numbers?
The task I have to perform is take 2 user input numbers that must be floating numbers and add them together. However, when I do ...
environ 5 ans il y a | 3 réponses | 0
3
réponsesQuestion
Some number inputs do not work with code while others do.
For some inputs, the code works properly. But for example, if the number I put in for mass is greater than or equal to the numbe...
environ 5 ans il y a | 1 réponse | 0
1
réponse
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