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0 Introduction to Numerical Analysis

Fundamentals (Chapter 0) 1. Introduction. 2. Evaluating a Polynomial. 3. Binary Numbers (0, 1). 4. Floating Point Representation. 5. Loss of Significance.

1. Introduction.

2. Evaluating a Polynomial.

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3. Binary Numbers (0, 1).

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十进制转二进制 image3 二进制转十进制 image4

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4. Floating Point Representation.

绝对误差和相对误差 image6

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绝对条件数

有效数字 image8

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5. Loss of Significance.

How to Avoid loss of significant number 避免大吃小吃 image11 当做加法时，我们应该从小数加到大数 避免在两个接近的数字之间的相减 image12

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3.避免使用大乘数和小分母 image15

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