If a complex function f(z) on a region D of the complex plane is differentiable at each point near a point c in D, the function is said to be regular at c. In this case, a Taylor expansion can be done near c, as follows: [Haruo Sunouchi] Analytic Connection Given a regular function f 1 (z) on a domain D 1 and a regular function f 2 (z) on D 2 , and f 1 (z) = f 2 (z) on a domain D 0 included in D 1 ∩ D 2 (the intersection of D 1 and D 2), there exists a regular function f 1 (z) = f 2 (z) on D 1 ∪ D 2 (the union of D 1 and D 2 ). [Haruo Sunouchi] [Reference] | |Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
複素平面の領域D上の複素関数f(z)が、D内の点cの近くの各点で微分可能なとき、関数はcにおいて正則であるという。このとき、cの近くでテーラー展開ができて、 [洲之内治男] 解析接続領域D1上で正則な関数f1(z)と、D2上で正則な関数f2(z)が与えられ、D1∩D2(D1とD2の共通部分)に含まれるある領域D0上でf1(z)=f2(z)となるとき、D1∪D2(D1、D2の和集合)上に一つの正則関数 [洲之内治男] [参照項目] | |出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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