Examples
[i, inf, nan] = (%i, %inf, %nan); isinf([-1 0.01 -inf inf nan]) isinf([2+i, -10-inf, inf+i]) isinf([nan-i, inf-nan*i, nan+i*inf]) |  |  |
tests for infinite elements
r = isinf(x)
matrix of real or complex numbers
matrix of booleans of the same size as x
isinf(x) returns the matrix r
of booleans such that, for each element x(i),
r(i) is set to %T if and only if
x(i) is infinite.
When x is complex-encoded, x(i)
is considered infinite if its real part or its imaginary part (or both)
are infinite.
[i, inf, nan] = (%i, %inf, %nan); isinf([-1 0.01 -inf inf nan]) isinf([2+i, -10-inf, inf+i]) isinf([nan-i, inf-nan*i, nan+i*inf]) | | |