# 式の並べ替えと書き換え

### メモ

MuPAD® Notebook は将来のリリースでは削除される予定です。代わりに MATLAB® ライブ スクリプトを使用してください。

MuPAD Notebook ファイルを MATLAB ライブ スクリプト ファイルに変換するには、`convertMuPADNotebook` を参照してください。MATLAB ライブ スクリプトは、多少の違いはありますが、MuPAD 機能の大半をサポートします。詳細は、MuPAD Notebook を MATLAB ライブ スクリプトに変換を参照してください。

## MuPAD 関数

 `collect` Collect terms with the same powers `combine` Combine terms of same algebraic structure `denom` Denominator of a rational expression `expand` Expand an expression `factor` Factor a polynomial into irreducible polynomials `factorout` Factor out a given expression `isolate` Isolate variable or expression from equation `lhs` Left side of equations, inequalities, relations, intervals, ranges and tables `rhs` Right side of equations, inequalities, relations, intervals, ranges and tables `normal` Normalize an expression `simplifyFraction` Normalize an expression `numer` Numerator of a rational expression `partfrac` Partial fraction decomposition `radsimp` Simplify radicals in arithmetical expressions `simplifyRadical` Simplify radicals in arithmetical expressions `rationalize` Transform an expression into a rational expression `rectform` Rectangular form of a complex expression `rewrite` Rewrite an expression

## 例および操作のヒント

Choose Simplification Functions

Most mathematical expressions can be represented in different, but mathematically equivalent forms. Some of these forms might look simpler, for example, they can be visibly shorter. However, you might prefer other forms of the same expression for numeric computations. There is no general rule as to which form of an expression is the simplest. When solving a particular problem, you can choose the simplest form of an expression for this problem.

Convert Expressions Involving Special Functions

MuPAD provides many special functions commonly used in engineering and science. MuPAD uses standard mathematical notations for special functions. If you do not recognize a notation, see Mathematical Notations Used in Typeset Mode.

## 概念

If You Want to Simplify Results Further

When simplifying a complicated expression, MuPAD can return results that would benefit from further simplifications. Suppose you want to simplify the following expression:

#### Mathematical Modeling with Symbolic Math Toolbox

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