matlab的ceil

在Matlab中，ceil函数用于向上取整，它返回大于或等于输入参数的最接近的整数。对于矩阵的每个元素，ceil函数将其向上取整。例如，对于矩阵X=[-1.9 -0.2 3.4; 5.6 7 2.4 3.6i，应用ceil函数后得到的矩阵Y为[-1.0000 0.0000i 0.0000 0.0000i 4.0000 0.0000i 6.0000 0.0000i 7.0000 0.0000i 3.0000 4.0000i。 ceil函数可以用于将Matlab日期编号（datenum）向上取整到最接近的时间单位（例如年、月、日）。函数datenumCeil2_OH是一个用户自定义函数，它是根据Matlab FEX的round2.m函数进行修改的，用于实现这一功能。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* [Round, Ceil and Floor Matlab-datenumbers:round/ceil/floor Matlab datenumbers 到最接近的 N 或多个 N ...](https://download.csdn.net/download/weixin_38701640/19286091)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 33.333333333333336%"]
- *2* [matlab中的取整函数（ceil、floor、round）](https://blog.csdn.net/qq_43865022/article/details/124961276)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 33.333333333333336%"]
- *3* [matlab中的ceil函数详解](https://blog.csdn.net/qq_45828608/article/details/129886695)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT3_1"}}] [.reference_item style="max-width: 33.333333333333336%"]
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