c++ 给matrix元素赋值

要给matrix元素赋值，可以使用宏CV_MAT_ELEM来实现。CV_MAT_ELEM的输入参数是矩阵、矩阵元素类型、行、列。它可以直接给指定行和列的元素赋值。比如，使用*((float*)CV_MAT_ELEM_PTR(m, 1, 1)) = element_1_1可以给矩阵m的第2行第2列的元素赋值为element_1_1。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* *2* [访问Mat矩阵中的元素并为其赋值](https://blog.csdn.net/weixin_42522374/article/details/112890826)[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^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
- *3* [C++ 实现 Matrix （矩阵）类](https://blog.csdn.net/m0_58880769/article/details/126040823)[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^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
[ .reference_list ]