1) = sum ( xtab ) / real ( ntab ) s = 0.0E+00 sum2 = 0.0E+00 do i = 1, ntab array(i1l1+i) = xtab(i) - array(1) s = s + array(i1l1+i)**2 sum2 = sum2 + array(i1l1+i) * ( ytab(i) - ptab(i) ) end do...
len_trim, log, log10, & matmul, max, maxloc, maxval, merge, min, minloc, minval, mod, move_alloc, & new_line, norm2, .not., .and., .or., product, random_number, rewind, reshape, real, & size, sqrt, selected_real_kind, sin, sign, sum, trim, tan, tiny, transpose, ......
array2(n+1:) = array1(:n) 数组的赋值在Fortran中非常常见,可以用于数据的拷贝、数据的传递以及数组操作等场景。 对于Fortran开发者,腾讯云提供了一系列云计算产品和服务,可以帮助开发者更好地进行云计算相关的工作。以下是一些推荐的腾讯云产品和产品介绍链接地址: ...
子程序对数组作用分为两种:第一是对数组元素进行处理,如 Sqrt、sin等;第二是对数组本身进行处理,如 Dot_product、Matmul、Sum、Product、Maxloc、Maxval等。 举例:求解ax=b,a为带宽p+q-1的矩阵(参考代码:"BANDMAT") 矩阵的压缩保存 矩阵的LU分解 方程的求解 7.3 结构体 7.3.1 结构体的定义 Type[[,arrt...
SUM(array[,dim][,mask]) 返回在指定维上满足mask条件的元素的和 TRANSPOSE(matrix) 转置二维数组 UBOUND(array[,dim]) 返回指定维上的上界 UNPACK(vector,mask,field) 把向量在mask条件下填充field的元素解压至数组 ◆用ALLOCATE语句动态分配数组 ALLOCATE语句动态创建可分配数组,使内存和对象相联系。分配的对象可以...
It may appear in executable statements such as print *, SUM(x), print *, SIZE(x) or x=1. A whole array may reference arrays which aren't explicitly shaped (such as x above): function f(y) real, intent(out) :: y(:) real, allocatable :: z(:) y = 1. ! Intrinsic assignment...
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Intrinsic Function(内部函数)Sums elements of an array or the elements along an optional dimension. The elements summed can be selected by an optional mask. 将数组中的元素求和 Syntax(语法) result=SUM(array[ ,dim] [ ,mask]) array (Input) Integer, real, or complex. Array whose elements are...
SUM and other array functions have an optional DIM(ension) argument. 7:40 PM · Dec 17, 2021 2d_array.f90 Fortran arrays can have any lower bound. The default is 1. 6:16 PM · Dec 17, 2021 bounds.f90 Fortran array sections contain both endpoints 6:01 PM · Dec 17, 2021 sections...
The Fortran standard timer, CPU_TIME(), returns “processor time”. That’s the sum of the time over all threads, just like the Linux “time” command. That makes it appear that threaded applications don’t run faster than serial ones. ...