Mradd, Multiplication – Texas Instruments TI-86 User Manual

Page 333

Chapter 20: A to Z Function and Instruction Reference

321

20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 321 of 118

mRAdd(

MATRX OPS menu

mRAdd(

number

matrix

rowA

rowB

)

Returns the result of a “multiply and add row” matrix
operation, where:

a. rowA of a real or complex matrix is multiplied by a

real or complex number.

b. The results are added to (and then stored in) rowB.

[[5,3,1][2,0,4][3,

1,2]]¶MAT

[[5 3 1]

[2 0 4]

1 2]]

mRAdd(5,MAT,2,3) b

[[5 3 1 ]

[2 0 4 ]

[13

1 22]]

Multiplication:

numberA

numberB

Returns the product of two real or complex numbers.

2¹5 b

number

list

or list

number

matrix

or matrix

number

vector

or vector

number

Returns a list, matrix, or vector in which each element
is number multiplied by the corresponding element in
list

, matrix, or vector.

4¹{10,9,8} b

{40 36 32}

RectC

complex number mode:

[8,1,(5,2)]¹3 b

[(24,0) (3,0) (15,6)]

listA

listB

Returns a list in which each element of listA is
multiplied by the corresponding element of listB. The
lists must have the same dimension.

{1,2,3}¹{4,5,6} b

{4 10 18}

matrix

vector

Returns a vector in which matrix is multiplied by
vector

. The number of columns in matrix must equal

the number of elements in vector.

[[1,2,3][4,5,6]]¶MAT b

[[1 2 3]

[4 5 6]]

MAT¹[7,8,9] b

[50 122]