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1answer
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### Creating matrices using a Do-loop

Here is an image of current assignment; I am not able to do step 6 to 8 When I try to do the Do-loop, it states that the {i, j} does not have appropriate bounds. ...
1answer
46 views

### How to write a command that produces such a matrix that takes n as an argument, where every node has probability 1/m [closed]

Please help in answering the questions above on mathematica. Which commands do I use to answer the question?
1answer
93 views

### Convergent matrix

I had a question where they ask me if a matrix is convergent. Matrix is as below: A = {{-1.7, -12.6, -12.6}, {-1.2, -5.6, -6.6}, {1.5, 7.8, 8.8}} I put it in ...
2answers
274 views

### Strange determinant result

I carried out the determinant of a $4\times4$ matrix in two different ways: with Laplace and without Laplace (see this attachment please). The Laplace's rule is applied "manually" in Mathematica (I ...
3answers
380 views

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1answer
91 views

### Defining a function that detects square matrices

Define a function g, which receives a list and returns True if that list represents a square array, and False otherwise. I only can use Table, ...
1answer
124 views

### solve Z of matrix [closed]

x=Cz+(lambda)z x and z are n*1 column vectors C is n*n matrix (lambda) is a scalar it want to solve for z. the hint is z=Iz where I is n*n also C+(lambda) is an invalid expression, but C+(lambda)I ...