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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...
mehr als 12 Jahre vor | 1 Antwort | 1
1
AntwortFrage
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,...
mehr als 12 Jahre vor | 1 Antwort | 0
1
AntwortAnyone 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...
mehr als 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...
mehr als 12 Jahre vor
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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...
mehr als 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...
mehr als 12 Jahre vor | 1 Antwort | 0
1
AntwortGelöst
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 ...
mehr als 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...
mehr als 12 Jahre vor
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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...
mehr als 12 Jahre vor
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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 ...
mehr als 12 Jahre vor
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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...
mehr als 12 Jahre vor
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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
mehr als 12 Jahre vor
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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 ...
mehr als 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...
mehr als 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:...
mehr als 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...
mehr als 12 Jahre vor | 7 Antworten | 2
7
AntwortenFinding 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...
mehr als 12 Jahre vor | 0
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...
mehr als 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...
mehr als 12 Jahre vor | 4 Antworten | 0
4
AntwortenFrage
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...
mehr als 12 Jahre vor | 1 Antwort | 0
