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Clark


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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...

meer dan 12 jaar ago | 1 answer | 1

1

answer

Question


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,...

meer dan 12 jaar ago | 1 answer | 0

1

answer

Answered
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...

meer dan 12 jaar ago | 1

Solved


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...

meer dan 12 jaar ago

Solved


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...

meer dan 12 jaar ago

Question


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...

meer dan 12 jaar ago | 1 answer | 0

1

answer

Solved


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 ...

meer dan 12 jaar ago

Solved


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...

meer dan 12 jaar ago

Solved


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

meer dan 12 jaar ago

Solved


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...

meer dan 12 jaar ago

Solved


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 ...

meer dan 12 jaar ago

Solved


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...

meer dan 12 jaar ago

Solved


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

meer dan 12 jaar ago

Solved


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

meer dan 12 jaar ago

Solved


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 ...

meer dan 12 jaar ago

Solved


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...

meer dan 12 jaar ago

Solved


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:...

meer dan 12 jaar ago

Question


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...

meer dan 12 jaar ago | 7 answers | 2

7

answers

Answered
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...

meer dan 12 jaar ago | 0

Answered
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...

meer dan 12 jaar ago | 0

Question


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...

meer dan 12 jaar ago | 4 answers | 0

4

answers

Question


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...

meer dan 12 jaar ago | 1 answer | 0

1

answer