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I wish to know what am I doing wrong in this project. I've got an 8x8 matrix code and tried to adapt it to my 5x7 LE...

### Placing number tiles in Settlers of Catan for iOS?

I'm coding Settlers of Catan for iOS and currently have my data tiles in a matix. Now, I'm trying to attach the num...

### How to design a survey database schema that includes matrix questions??

I'm working on a complex survey form for a client and will be used only once, the survey is going to be anonymous so...

### How to create diagonal stripe patterns and checkerboard patterns??

Based on this question, I can confirm that horizontal patterns can be imposed onto a matrix (which in this case is a...

### How to read an 2 dimensional / 3 dimensional excel table by using Pentaho Data Integration 8.1 (Spoon)??

Dear stackoverflow members, I have to solve one task by using Pentaho data integration and excel. The most difficul...

### Numpy matrix to array?

I am using numpy. I have a matrix with 1 column and N rows and I want to get an array from with N elements. For exa...

### How to create an empty matrix in R??

I am new to R. I want to fill in an empty matrix with the results of my for loop using cbind. My question is, how ca...

### How to check if a matrix is antisymmetric?

Here's my code to check if a matrix is antisymmetric. (A relation R on a set A is called antisymmetric if and only i...

### Vector of Vectors to create matrix?

I am trying to take in an input for the dimensions of a 2D matrix. And then use user input to fill in this matrix. T...

### Determining if a matrix is diagonalizable in the R Programming Language?

I have a matrix and I would like to know if it is diagonalizable. How do I do this in the R programming language? ...

### numpy get index where value is true?

>>> ex=np.arange(30) >>> e=np.reshape(ex,[3,10]) >>> e array([[ 0, 1, 2, 3, 4, 5, 6...

### Transposing a 2D-array in JavaScript?

I've got an array of arrays, something like: [ [1,2,3], [1,2,3], [1,2,3], ] I would like to transpose...

### Numpy ‘smart’ symmetric matrix?

Is there a smart and space-efficient symmetric matrix in numpy which automatically (and transparently) fills the pos...