#Matrix Program Nspire how to#
#Matrix Program Nspire archive#

#Matrix Program Nspire how to#

This article discusses how to remove duplicates records for numerical matrices in SAS/IML. If you might have missing values in your data, use the modified function in the comments, which handles missing values. The DupRows function is designed for matrices that do not have missing values, as pointed out in a comment by Ian Wakeling. If any row of the difference matrix is identically zero, then you have found a row that is identical to the first row. Start with the first row and subtract it from every row beneath it. Introduction To Probability Statistics For Engineers. The main idea is to subtract one row from another. Trivia math questions, solve quadratic with ti-89, matrix discriminant ti83. Lagrange Polynomials In this section are the programs for the VanderMonde matrix and. For small and medium-sized data, you can use either method to find the unique rows in a matrix. When the data are all numeric, there is an easy way to detect (and delete) duplicate rows in a matrix. The Bisection method applied to x 2 2 0 2.

But otherwise, the schools make up programs and schedulesCisco.

#Matrix Program Nspire archive#

The sorting algorithm requires that you sort the data by ALL columns, which can be inefficient for very wide and short data tables. Is there any way to archive programs on a TI-Nspire or to make it so that they dont get cleared. Deepen students understanding of math, science and STEM with TI-Nspire CX technology. Maybe you can translate it for the Nspire:BASIC code to find the Kronecker Product of two matrices and stores it as matrix C rowa and cola are no of rows and columns of matrix A rowb and colb are no of rows and columns of matrix B. This algorithm has a complexity of O( n( n-1)/2), where n is the number of rows in the matrix, so it is best for small to moderate values of n.įor long and skinny matrices (or for character data), it might be more efficient to sort the matrix as I showed in a previous article about how to find (and count) the unique rows of a matrix. I like this algorithm because it uses subtraction, which is a very fast operation. Return (A ) /* return rows that are NOT duplicates */ * return the unique rows in a numerical matrix */