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ceil
Round toward infinity
B = ceil(A)
B = ceil(A)
A to the nearest integers greater than or equal to A. For complex A, the imaginary and real parts are rounded independently.
a = Columns 1 through 4 -1.9000 -0.2000 3.4000 5.6000 Columns 5 through 6 7.0000 2.4000 + 3.6000i ceil(a) ans = Columns 1 through 4 -1.0000 0 4.0000 6.0000 Columns 5 through 6 7.0000 3.0000 + 4.0000i
fix Round toward zero
floor Round toward minus infinity
round Round to nearest integer