second order differential equationとは 意味・読み方・使い方

A numerical calculation program is formed by preparing a discrete equation using the subordinate variable of an equation and its spatial first order differential coefficient independently as subordinate variables on each grating point for a spatial second order differential term and a spatial third differential term.例文帳に追加

空間２階微分項と空間３階微分項に対して、各格子点上で方程式の従属変数とその空間１階微係数を独立に従属変数とした離散化式を作成し、数値計算プログラムを作る。 - 特許庁

The blood pressure change estimation section differentiates the pulse wave signal twice and derives the change in the blood pressures based on a time change in the pulse wave signal processed by the second-order differential equation.例文帳に追加

そして、血圧変化推定部は脈波信号を２階微分すると共に、この２階微分処理を行った脈波信号の時間変化から血圧の変化を導出する。 - 特許庁

To obtain a method for evaluating behavior of neutron flux in a reactor capable of improving the convergence of iterative computation in the case of numerically calculating a second order partial differential equation for neutron flux by using a response matrix method and drastically shortening computing time.例文帳に追加

応答行列法を用いて中性子束に対する二階の偏微分方程式を数値的に解く場合の反復計算の収束性を向上させ、計算時間を大幅に短縮することのできる原子炉内中性子束の挙動評価法を得る。 - 特許庁