l would like to create a dynamic 2D matrix, where the number of rows and columns is unknown. Filling it by adding one element at the time. For example, 1st button clic开发者_开发知识库k = M[1][1] (at
i\'m suddenly experiencing errors in font rendering in my project. the following image is a square sprite with a开发者_JAVA百科 texture and 2 dynamic text fields as children.
In basic words I need a simple and fast algorithm to find the solution X from C * X = M where all variable are matrices. More explanations below.
I have several vectors of unequal length and I would like to cbind them. I\'ve put the vectors into a list and I have tried to combine the using do.call(cbind, ...):
I need to do开发者_JAVA技巧 matrix and vector math in Objective-C. Are there tutorials which show how this works? Are there math libraries that come in handy?Since iOS 4.0, the SDK includes Apple\'s A
I am Creating a Timesheet application where there is a list of employees together with a list of Codings to assign time to.
Here is my data example: >dat <- matrix(c(59,50,48,44,44,NA,78,59,42,67,51,NA,开发者_JAVA技巧72,64,64),byrow=TRUE,ncol=3)
I\'m interested in developing a modified bootstrap that samples some vector of length x, with replacement, but must meet a number of number of criteria before stopping the sampling.I\'m attempting to
I spend a lot of time looking at larger matric开发者_如何学编程es (10x10, 20x20, etc) which usually have some structure, but it is difficult to quickly determine the structure of them as they get larg
I know this has been asked a lot but I\'d like to know how to rotate a Tetris piece? I already made a long and bad solution (~170 lines of code) but there should be easier way to do it.
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