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