Some problems in FORTRAN I have an old program in which several parts are read into an array. The previous array is not dynamic, which is roughly similar to this definition: DOUBLE PRECISION US_ T1(NX,NY,NZ),US_ T2(NX,NY,NZ) Nx, NY and NZ are parameters defined in advance (NX = 33, NY = 56, NZ = 64) Now I want to change it to a dynamic array, so there is a problem. I modify it as follows: DOUBLE PRECISION,allocatable::US_ T1(:,:,:),US_ T2(:,:,:) OPEN (111000,FILE=' MOLD.BX ') READ (111000,*) READ (111000,*) READ (111000,*) NX,NZ,NY \x05CLOSE(111000) allocate(US_ T1(NX,NY,NZ),US_ T2(NX,NY,NZ)) Then came the problem: A specification statement cannot appear in the executable section

Some problems in FORTRAN I have an old program in which several parts are read into an array. The previous array is not dynamic, which is roughly similar to this definition: DOUBLE PRECISION US_ T1(NX,NY,NZ),US_ T2(NX,NY,NZ) Nx, NY and NZ are parameters defined in advance (NX = 33, NY = 56, NZ = 64) Now I want to change it to a dynamic array, so there is a problem. I modify it as follows: DOUBLE PRECISION,allocatable::US_ T1(:,:,:),US_ T2(:,:,:) OPEN (111000,FILE=' MOLD.BX ') READ (111000,*) READ (111000,*) READ (111000,*) NX,NZ,NY \x05CLOSE(111000) allocate(US_ T1(NX,NY,NZ),US_ T2(NX,NY,NZ)) Then came the problem: A specification statement cannot appear in the executable section

This means that there is a declaration statement that cannot be in the execution part of the statement
A piece of FORTRAN code should first be all declaration statements, and then all execution statements
such as
real ::a
integer b
real ::c
a = b * 1.0
It can't be
real ::a
integer b
a = b * 1.0
real ::c

What does double slash mean in circuit calculation?

Find the parallel value

How to express the x power of E in FORTRAN?

If you say e is that constant, then use exp (x)
：）
If it's just a variable name, use e * * X
：）

Euler said: "if f is the number of faces of a regular polyhedron, e is the number of edges, and V is the number of vertices, please sum up the equivalent relationship

e=f+v-2

1001 + 1003 + 1005... + 2007 + 2009 (with calculation process)

1001 + 1003 + 1005 + ... + 2007 + 2009
= (1001 + 2009) + (1003 + 2007) + ... + (1503 + 1507) + 1505
= 3010×252 + 1505
= 758520 + 1505
= 760025

Given the set a = {(x, y) | x2 + mx-y + 2 = 0}, B = {(x, y) | X-Y + 1 = 0, and 0 ≤ x ≤ 2}, if a ∩ B ≠, find the value range of real number M

A is a parabola, B is a straight line, the intersection is not empty, indicating that there is an intersection between them
A:y=x^2+mx+2
B:y=x+1
That is, the equation x ^ 2 + MX + 2 = x + 1 has real roots
mx=-x^2+x-1
m=-x-1/x+1
0

Look at the numbers and guess the idiom 0 1 1 divided by 2 4 divided by 3 = 1.33333 2468
There are several questions

1： Have a smooth journey, ascend to the sky step by step, be outstanding, be talented, make a huge profit, take the lead, advocate all kinds of harmony, promise all kinds of promises, echo all kinds of responses, live in one room, be brave, be a hero in one life, be harmonious, love at first sight, dominate the world, be committed to love deeply, be indomitable, be resolute, be romantic, and be brave

In a parallelogram, if the length of one side is 6.5 and the diagonal length is 5 and 12, the area is ()
A. 23.5B. 39C. 60D. 30

As shown in the figure, ▱ ABCD's diagonal AC and BD intersect at O, AC = 5, BD = 12, BC = 6.5. ∵ quadrilateral ABCD is a parallelogram, ▱ ob = 12bd = 6, OC = 12ac = 2.5. In △ BOC, ∵ ob2 + oc2 = 36 + 6.25 = 42.25 = BC2, ▱ BOC = 90 °, ▱ ABCD is a diamond, ∵ its area is: 12 × AC ×

12 + X / 12 = 5 + X / 7 help me solve the equation

If z = ln sin (XY), then z'y = x cot (XY)

Well, that's right