minus

minus

minus — (-) substraction operator, sign changes

Calling sequence

X-Y  
-Y

Parameters

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

Description

Substraction

For numeric operands substraction as its usual meaning. If one of the operands is a matrix and the other one a scalar the the operation is performed element-wise. if Y==[] X is returned; if X==[] -Y is returned.

Substraction may also be defined for other data types through "soft-coded" operations.

Examples



[1,2]-1
[]-2

%s-2
1/%s-2
"cat"+"enate"

See also

addf, mtlb_mode