HP 48gII Graphing Calculator Uživatelský manuál stáhnout pdf (Strana 311)

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If using RPN mode, we assume that the matrix is in the stack and use {6}

` RDM.

Note: Function RDM provides a more direct and efficient way to transform lists

to arrays and vice versa, than that provided at the end of Chapter 9.

Function RANM

Function RANM (RANdom Matrix) will generate a matrix with random integer

elements given a list with the number of rows and columns (i.e., the

dimensions of the matrix). For example, in ALG mode, two different 2×3

matrices with random elements are produced by using the same command,

namely, RANM({2,3}) :

In RPN mode, use {2,3} ` RANM.

Obviously, the results you will get in your calculator will most certainly be

different than those shown above. The random numbers generated are

integer numbers uniformly distributed in the range [-10,10], i.e., each one of

those 21 numbers has the same probability of being selected. Function

RANM is useful for generating matrices of any size to illustrate matrix

operations, or the application of matrix functions.

Function SUB

Function SUB extracts a sub-matrix from an existing matrix, provided you

indicate the initial and final position of the sub-matrix. For example, if we

1 2 ... 306 307 308 309 310 311 312 313 314 315 316 ... 863 864

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HP 48gII Graphing Calculator Uživatelský manuál Strana 311

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