photo

Clark


Aktiv seit 2012

Followers: 0   Following: 0

Nachricht

Statistik

All
  • Thankful Level 3
  • Solver

Abzeichen anzeigen

Feeds

Anzeigen nach

Frage


Any way to force Command Window Answers to print Fractions?
Is there any way to change the format of all numbers in the answers of the command window to be displayed as fractions rather th...

etwa 12 Jahre vor | 1 Antwort | 1

1

Antwort

Frage


Matrix is close to singular or badly scaled.
I'm using MATLAB for some homework problems. One such problem: consider the vectors: u1 = [5,8,7,12,11]' u2 = [2,0,8,...

etwa 12 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
Anyone have experience with MATLAB Associate Exam?
I haven't gotten results from this exam yet, but it was my perception that doing Cody problems isn't necessary at all. If you've...

etwa 12 Jahre vor | 1

Gelöst


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

etwa 12 Jahre vor

Gelöst


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

etwa 12 Jahre vor

Frage


How to update matrix values using algorithm based on position?
Suppose I've already create a square matrix, A=zeros(n). Now let's say, for every position, A(i,j), I want to update the valu...

etwa 12 Jahre vor | 1 Antwort | 0

1

Antwort

Gelöst


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

etwa 12 Jahre vor

Gelöst


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

etwa 12 Jahre vor

Gelöst


Is my wife right?
Regardless of input, output the string 'yes'.

etwa 12 Jahre vor

Gelöst


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

etwa 12 Jahre vor

Gelöst


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

etwa 12 Jahre vor

Gelöst


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

etwa 12 Jahre vor

Gelöst


Add two numbers
Given a and b, return the sum a+b in c.

etwa 12 Jahre vor

Gelöst


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

etwa 12 Jahre vor

Gelöst


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 ...

etwa 12 Jahre vor

Gelöst


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

etwa 12 Jahre vor

Gelöst


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:...

etwa 12 Jahre vor

Frage


Anyone have experience with MATLAB Associate Exam?
Next week I'll be taking the exam administered by MathWorks to try to earn a MATLAB Associate Certification. Does anyone have ex...

etwa 12 Jahre vor | 7 Antworten | 2

7

Antworten

Beantwortet
Finding more than one solution for Matrix Multiplication (Ax = b)
Okay, so, A\b + null(A) gives me another solution. But, can I find a third solution? I was expecting there may be some funct...

etwa 12 Jahre vor | 0

Beantwortet
Finding more than one solution for Matrix Multiplication (Ax = b)
I don't understand how to use null for this purpose. If I use null(A\b) for example, the answer is simply an empty 1x0 matrix. C...

etwa 12 Jahre vor | 0

Frage


Finding more than one solution for Matrix Multiplication (Ax = b)
For some A and b, there are infinite solutions. Currently, I only know one way to solve for x, which solves for only 1 x. Tha...

etwa 12 Jahre vor | 4 Antworten | 0

4

Antworten

Frage


Can I get the column num of a matrix in one command?
Hello, I have a matrix, named A. I want to get the the number of columns in the matrix in one command. Is this possible? It s...

etwa 12 Jahre vor | 1 Antwort | 0

1

Antwort