How could it be negative zero cost?
怎么可能是负零成本呢？
| 单词 | Negative Zero |
| 释义 |
Negative Zero
原声例句
休伯曼实验室 How could it be negative zero cost? 怎么可能是负零成本呢？ Linear algebra Likewise to follow j hat. The 2nd column of M tells us that it 1st lands on negative two zero. 同理 j帽 M的第二列告诉我们它首先落在-20上。 Linear algebra E.g. if we rotate all of space 90 degrees counter clockwise, then I Hat lands on the coordinates zero one, and Jay hat lands on the coordinates negative one zero. 例如 如果我们将整个空间逆时针旋转90度 那么IHat落在坐标01上 JayHat落在坐标-10上。 Linear algebra So let's make that the 1st column of a matrix, likewise j Hat, ultimately ends up at the location negative one zero, so we make that the 2nd column of the matrix. 我们让它成为矩阵的第一列 同样j帽 最终在-1 0的位置 所以我们让它成为矩阵的第二列。
英语百科
Signed zeroSigned zero is zero with an associated sign. In ordinary arithmetic, the number 0 does not have a sign, so that −0, +0 and 0 are identical. However, in computing, some number representations allow for the existence of two zeros, often denoted by −0 (negative zero) and +0 (positive zero), regarded as equal by the numerical comparison operations but with possible different behaviors in particular operations. This occurs in the sign and magnitude and ones' complement signed number representations for integers, and in most floating-point number representations. The number 0 is usually encoded as +0, but can be represented by either +0 or −0. |
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