Arduino code for 5x7 LED matrix not working?

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...