Mitchell Thurston

Last seen: 5 days ago | Active since 2020

Followers: 0 Following: 0

Statistics

All

Feeds

Answered
I can't see the cosine graph. How do I generate the cosine graph using 2^10 samples?
You should be able to just get rid of the for loop, ydata = 5 + 10*cos(2*pi*time+pi/6)

15 days ago | 0

Answered
I made a folder with 12 .fig files, I am attempting to convert these to jpeg using a loop.
You can do it by running this code while inside the Figures directory files = ls; % get filenames of everything in that directo...

15 days ago | 0

Answered
Basic FFT Question: What range to sample the function in.
When you perform an FFT, it is assumed that the original signal is on a timespan from [0 to 2*pi]. When you pass these signals a...

21 days ago | 0

Solved

Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

6 months ago

Solved

Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

9 months ago

Solved

Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

9 months ago

Solved

Create Volcano (or Atoll) martix. It is an extension of Bullseye matrix problem.
For example, if n=2 (maximum value), the output matrix should be [1 1 1 1 1; 1 2 2 2 1; 1 2 1 2 1; 1 2 2 2 1; 1 1 ...

9 months ago

Solved

Create a Multiplication table matrix...
Create a product table in this format: P = [ 1 2 3 4 5; 2 4 6 8 10; 3 6 9 12 15; 4 8 12 1...

9 months ago

Solved

Special matrix
Make a square matrix with this shape. For n=4 M = 1 1 0 0 1 0 1 0 0 1 0 ...

9 months ago

Solved

Spot the rectangle
This problem is related to the 17x17 challenge. Given a matrix filled with ones and zeros, determine whether or not any rectangl...

9 months ago

Solved

Pascal's Matrix
Given an integer n ≥ 0, generate the ( _n_+1) × ( _n_+1) lower triangular <http://en.wikipedia.org/wiki/Pascal_matrix P...

9 months ago

Answered
How can I obtain the derivative of a vector? Displacement-Velocity but what about acceleration? I am using the space state formulation
(Altered the code provided so that it ran properly) clc; %command window clear;%clear workspace close all; % close figures ...

2 years ago | 1

| accepted

Answered
trouble coding for ODE's
this is definintely an inefficient way of doing it, but this accomplishes everything syms dx(t) x(t) m c k w % these are the te...

2 years ago | 1

Answered
How can I 'hold off' specific Field vector using "quiver" into a updated "drawnown" inside a plot?
I'm assuming you're calling quiver in the "quiver(x,y,u,v)" style, since you can't use 1 argument % After plot 1 is made hol...

2 years ago | 1

Answered
How to add regression line equation to a plot?
the most simple way I know of would be to add it to the legend you can add this to the last line of your code legend({'Data Po...

2 years ago | 1

Solved

Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

2 years ago

Solved

Rotate a Matrix by 90 degrees
Rotate a Matrix by 90 degrees Example: If the input is: X = 1 2 3 4 5 6 7 8 9 ...

2 years ago

Solved

Project Euler: Problem 1, Multiples of 3 and 5
If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

2 years ago

Solved

Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

2 years ago

Solved

Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

2 years ago

Solved

Create a vector
Create a vector from 0 to n by intervals of 2.

2 years ago

Solved

Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

2 years ago

Solved

Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

2 years ago

Solved

Find max
Find the maximum value of a given vector or matrix.

2 years ago

Solved

Get the length of a given vector
Given a vector x, the output y should equal the length of x.

2 years ago

Solved

Inner product of two vectors
Find the inner product of two vectors.

2 years ago

Solved

Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

2 years ago

Answered
solve function can't solve an inequality
I'm able to get a solution with defining k as a real symbolic variable syms k real ineqs = [0 < 320/9 - k/9, 0 < (9*k + (k/9...

2 years ago | 2

| accepted

Answered
For loop circles that wrap around another circle
Modified the calculation of alfa, R, and a slight change with the for loop clear; r=1; % small circles radius n=17; %number...

2 years ago | 0

| accepted

Answered
I wan to create a 3x3 matrix and this matrix needs to contains first 3 raws and last 3 columns of other matrix which is unknown.
With the original larger matrix you want the rows and columns from being "A" and the resulting 3x3 being "B", A = B(1:3, ... ...

2 years ago | 0