plus

Arguments

X,Y

scalar or vector or matrix of numbers, polynomials or rationals. It may also be a syslin list

str1,str2

a character string, a vector or a matrix of character strings

Description

Addition.

For numeric operands addition as its usual meaning. If one of the operands is a matrix and the other one a scalar the scalar is added to each matrix entries. If one of the operands is an empty matrix the empty matrix [] is returned).

For character strings + means concatenation.

Addition may also be defined for other data types through "soft-coded" operations (see overloading).

Examples

[1,2]+1
[]+2
s=poly(0,"s");
s+2
1/s+2
"con"+"cat"+"enate"

See also

• mtlb_mode — switch Matlab like operations
• overloading — display, functions and operators overloading capabilities

History