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Diffstat (limited to 'src/algebra/sttaylor.spad.pamphlet')
| -rw-r--r-- | src/algebra/sttaylor.spad.pamphlet | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/algebra/sttaylor.spad.pamphlet b/src/algebra/sttaylor.spad.pamphlet index 27a16ec0..a16e32ce 100644 --- a/src/algebra/sttaylor.spad.pamphlet +++ b/src/algebra/sttaylor.spad.pamphlet @@ -465,7 +465,7 @@ StreamTaylorSeriesOperations(A): Exports == Implementation where powerre: (A,ST A,ST A) -> ST A powerre(s,x,c) == delay empty? x => zro() - frst x^=1 => error "**:constant coefficient should be 1" + frst x~=1 => error "**:constant coefficient should be 1" concat(frst x,finteg((s+1)*(c*deriv x))-rst x * c) power(s,x) == YS(powerre(s,x,#1)) |