# Spaceman

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**Feeds**

Question

Using MATLAB to do Numeric Calculus

So I am culminating all of my newfound knowledge to solve and show a simple calculus problem. However I am running into issues.....

ongeveer een maand ago | 1 answer | 0

### 1

answerQuestion

Concatenating a cell array

Given: A cell array with names where names={'Harry','Xavier','Sue'}; Find: How to concantenate a '1' at the end of each charact...

ongeveer een maand ago | 1 answer | 0

### 1

answerQuestion

Printing sentences using cell arrays

Given: 3 names, 3 verbs, 3 nouns; how to initalize a cell array. Find: I need to print random elements from each of the above t...

ongeveer een maand ago | 2 answers | 0

### 2

answersQuestion

I think this is vectorizing

Given: Write a code that prompts user to enter a number of rows and columns. Create a matrix, with the provided size that has ra...

ongeveer 2 maanden ago | 1 answer | 0

### 1

answerQuestion

Nested While loop functions

Given: I have created a simple number guessing game that prompts the user to guess a random number between 1 & 100 and will info...

ongeveer 2 maanden ago | 1 answer | 0

### 1

answerFunction that returns 2 values

function [Z,P]=myfun(A) Z=length(A(A==0)); P=prod(A(A>2)); end % Code used to call funtion: A=randi([-5 5],40); [Nzero,pro...

2 maanden ago | 0

| accepted

Question

if-statements for reassigning values

Given: Write a script that creates a random integer N, which is in the range [-100,100]. If that number is in the range [-20,20...

2 maanden ago | 2 answers | 0

### 2

answersQuestion

Taylor Series Expansions for sin(x)

Given: sin(x)=(-1)^i*x^(2*i=1)/(2i+1)!...or... ... Find: Code that calculates the Taylor series for sin(pi/3) using the equatio...

2 maanden ago | 1 answer | 0

### 1

answerQuestion

for-loop from an if-statement

Given: Use previous code to make a for-loop Find: Prompt the user to enter the number of grades (N) that they are trying to cla...

2 maanden ago | 2 answers | 0

### 2

answersQuestion

If statements and strcmp function

Given: strcmp = matching case, strcmpi=ignoring case Find: Prompt user to enter an angle; prompt user to determine if the angle...

2 maanden ago | 1 answer | 0

### 1

answerFibonacci sequence -a) Write a script to make a to sequence vector by using for loop. b) Calculate sum of first ten Fibonacci numbers

In mathematics, the Fibonacci sequence is a sequence in which each number is the sum of the two preceding ones. fib=[0 1]; for...

2 maanden ago | 0

Write a for loop that calculates the first 35 numbers of the Fibonacci Sequence.

Success. fib=[0 1]; for n=3:35; fib(n)=fib(n-1)+fib(n-2); end fprintf('The first 35 Fibonacci sequence numbers are: ')...

2 maanden ago | 1

| accepted

Question

Sig figs on the rand function

Just another general question here, is there a reason the rand function has 6 sig figs? i.e. 12.3456 Is there a way to change t...

2 maanden ago | 1 answer | 0

### 1

answerQuestion

meaning of f in fprintf function

So this is just a general question, as I familiarize myself with the fprintf and all other glorious functions... When I use the...

2 maanden ago | 1 answer | 0

### 1

answerQuestion

Plotting 3D functions

Given: Create both a contour and surface plot for the following function. Find: Create an x vector between -2 and 2, with a ...

2 maanden ago | 1 answer | 0

### 1

answerQuestion

Function that returns 2 values

Given : Your function header should look like the following: function [Z,P]=myfun(A) Find : Create a function myfun that accep...

2 maanden ago | 1 answer | 0

### 1

answerQuestion

Writing a simple loop

Given: For this exercise, you will write code to sum all the positive integers in a matrix of random integers and save that sum ...

2 maanden ago | 1 answer | 0

### 1

answerQuestion

Writing a function that accepts input argument that is one of 3 things

Given: Write a function that accepts an input argument that is one of 3 things: a vector, a matrix, or a scalar of values. The ...

2 maanden ago | 2 answers | 0

### 2

answersQuestion

Write a for loop that calculates the first 35 numbers of the Fibonacci Sequence.

Given : The Fibonacci Sequence is a famous sequence, where the value of each number in the list is the sum of the two before it....

2 maanden ago | 1 answer | 0

### 1

answerQuestion

Using the clear command in functions?

So I was practicing functions. . . My habit for writing scripts is to put clear, clc, close all before every section, unless var...

2 maanden ago | 2 answers | 0

### 2

answersQuestion

Weird question about the editor...

So this might be insanely daft of me to ask... But most of my code writing takes place in the editor. When writing code/copy pa...

3 maanden ago | 1 answer | 0

### 1

answerQuestion

Create a function that uses indexing

Given: Create a function called pick_username that will receive an input argument, which is a vector of values. The function wil...

3 maanden ago | 1 answer | 0

### 1

answerQuestion

Plotting a function inside of another function with no outputs

Given: Not all functions have to have output arguments. You could have a function that does something, but doesn't return an act...

3 maanden ago | 2 answers | 0

### 2

answersQuestion

Function with 3 input arguments

Given: Write a function to calculate the position of a projectile at any given time, t. The function should have 3 input argumen...

3 maanden ago | 1 answer | 0

### 1

answerQuestion

User Defined Functions in MATLAB

Given: Write a function prodby2_username that will recieve a value of a positive integer N and will calculate and return the pro...

3 maanden ago | 1 answer | 0

### 1

answerQuestion

Defining and calling functions in MATLAB

Given: Recall that Fahrenheit and Celsius are related by the following equation: Find: Create a function called tempC2F that w...

3 maanden ago | 3 answers | 0

### 3

answersQuestion

Writing code to call functions

Given: Find: Create a function that calculates the surface area of a sphere when provided with a radius as the input argument...

3 maanden ago | 1 answer | 0

### 1

answerQuestion

Plotting sine functions using linspace command

Given: Find: Create a variable y that calculates the following function for the range of t. The variable, t, should contain...

3 maanden ago | 2 answers | 0

### 2

answersQuestion

How to calculate and display electricity used in a month using fprintf?

Given: A power company charges 6.6 cents per KWH of electricity. Find: Write a script that prompts the user for the number of ...

3 maanden ago | 2 answers | 0

### 2

answersQuestion

How to use fprintf function to display information properly?

Given: Radius of 10,15,20 ft and height of 6, 12, 18, 24, 30 ft; Volume of a cylinder is pi*r^2*h Find: Display the various hei...

3 maanden ago | 1 answer | 0