## How do you write negative infinity in MATLAB?

MATLAB uses the special values inf , -inf , and NaN to represent values that are positive and negative infinity, and not a number respectively. MATLAB represents infinity by the special value inf .

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## How do you code infinity in MATLAB?

MATLABĀ® represents infinity by the special value Inf . Infinity results from operations like division by zero and overflow, which lead to results too large to represent as conventional floating-point values.

**How do you round to positive infinity in MATLAB?**

The ceil function rounds values to the nearest integer toward positive infinity. The fix function rounds values to the nearest integer toward zero. The floor function rounds values to the nearest integer toward negative infinity.

**How do you define an infinite matrix in MATLAB?**

X = Inf( n ) returns an n -by- n matrix of Inf values. X = Inf( sz1,…,szN ) returns an sz1 -by-… -by- szN array of Inf values, where sz1,…,szN indicate the size of each dimension. For example, Inf(3,4) returns a 3-by-4 matrix.

### How do you define an infinite array in MATLAB?

To create an infinite array, use the infiniteArray object to repeat a single antenna element (unit cell), infinitely along the X-Y plane. The layout function displays a typical unit cell.

### How do you round negative numbers in MATLAB?

To round down in MATLAB, use:

- floor to round down toward a smaller integer: 4.6 -> 4 -4.6 -> -5.
- fix to round down towards 0: 4.6 -> 4 -4.6 -> -4.

**How do you round an integer in MATLAB?**

Y = round( X ) rounds each element of X to the nearest integer. In the case of a tie, where an element has a fractional part of 0.5 (within roundoff error) in decimal, the round function rounds away from zero to the nearest integer with larger magnitude.

**What does NaN do in MATLAB?**

X = NaN returns the scalar representation of “not a number”. Operations return NaN when they have undefined numeric results, such as 0/0 or 0*Inf . X = NaN( n ) returns an n -by- n matrix of NaN values.

## How do you do negative in MATLAB?

grades=[1,2,3,4,5,6,7,8,9;3,4,5,2.5,-1.5,-1.8,-3,8,4;4,3.5,2,6.7,4,8,4,-2,-1] grades=grades’ if grades(i,:)<-1.5 gradesFinal(1,i)=-3; But MatLab does not convert nr. to -3 as it is should.