FORTRAN90用法总结

FORTRAN90用法总结
FORTRAN90用法总结

FORTRAN90用法总结

1、数据类型

整型 INTEGER

实型 REAL

复型 COMPLEX

字符型 CHARACTER

逻辑型 LOGICAL

2、特殊函数

1>定值函数 PARAMETER(变量列表) 或类型说明符,PARAMETER::变量列表

2>IMPLICIT 类型说明符(字母表)类型定义函数(默认I-N规则,取消IMPLICIT NONE)

3>** 乘方

4>STOP[标号]终止执行

5>PAUSE[标号]暂停程序

6>字符串长度函数 LEN(String)、 LEN_TRIM(String)

7>除去字符串尾部空格 TRIM(String)

8>字符串位置函数 INDEX(String1,String2)

9>字符串比较函数

LGE(String1,String2)

LGT(String1,String2)

LLE(String1,String2)

LLT(String1,String2)

10>字符串空格首位调整

ADJUSTL(String)、ADJUSTR(String)

11>字符串、ASSII码互相转化函数

①化为ASSII码 ICHAR(String)、IACHAR(String)

②化为字符串CHAR(I)、ACHAR(I)

12>.LT.(<) .LE.(<=) .EQ.(=) .NE.(/=) .GT.(>) .GE.(>=)

13>.AND.与 .OR.或 .NOT.非 .EQV.等于 .NEQV.不等 .XOR.异或

3、IF函数

1> 单支IF

IF(逻辑表达式) THEN

块语句

END IF

2> 双支IF

IF(逻辑表达式) THEN

块语句1

ELSE

块语句2

END IF

3>多支IF

IF(逻辑表达式1) THEN

块语句1

ELSE IF(逻辑表达式2) THEN

块语句1

...

ELSE IF(逻辑表达式N) THEN

块语句N

ELSE

块语句N+1

END IF

4>逻辑IF

IF(条件表达式)

可执行语句

5>算术IF

IF(算术表达式)标号1,标号2,标号3 标号1 可执行语句1

标号2 可执行语句2

标号3 可执行语句3

4、CASE块

SELECT CASE(表达式)

CASE(表达式1)

块语句1

...

CASE(表达式N)

块语句N

CASE DEFAULT

默认块语句

END SELSCT

5、循环函数

1>循环控制语句

IF(e) EXIT 终止循环

2>CYCLE

跳出此次循环

3>DO循环

DO i=e1,e2[,e3]

循环体

END DO

4>DO WHILE循环

DO WHILE(逻辑表达式)

循环体

END DO

6、输入输出

1>表控输入输出

READ *,变量表

PRINT *,输出表

WRITE(*,*)输出表

2>自定义输入输出

标号 FORMAT(格式说明)

3>其他编辑符

①nX 向右跳过n个字符

②nH 输出字符串

③/ 换行

④\ 连接

7、数组

1>说明数组

DIMENSION 数组名

类型说明,DIMENSION(维说明)::数组名2>数组赋初值

DA TA 数组名/....../,数组名/....../,...

3>动态数组

①声明

[类型],DIMENSION(:[,:]...),ALLOCA TABLE::数组名

[类型],ALLOCATABLE::数组名(:[,:]...)...

②申请

ALLOCATE(数组名(维说明))

③释放

DEALLOCATE(数组名)

8、子程序

1>子程序

CONTAINS(内部子程序的标志(外部EXTERNAL))

[类型说明] FUNCTION 函数名(虚参表)

函数体

END

2>子例行程序

SUBROUTINE 子例行程序名(虚参表)

函数体

END

调用CALL 子例行程序名(实参表)

3>递归调用

RECURSIVE FUNCTION(SUBROUTINE)函数名(虚参表) RESULT(返回值) 函数体

END

9、结构体

1>定义

TYPE [,ACCESS[::]] 派生类名称(ACCESS=PRIV ATE(私有),PUBLIC(公有)) 分量表

END TYPE 派生类名称

2>类型定义

TYPE(派生类名称)::结构体变量名

3>结构体成员引用

①结构体名%成员名

②结构体名.成员名

4>定义的同时赋值

TYPE(派生数据类型名)::结构体变量名=派生数据类型名(成员初值表)

5>结构体数组

TYPE(派生数据类型名),DIMENSION(维说明符)::结构体数组名

10、指针

1>定义指针

类型说明,POINTER::指针变量名...

类型说明,TARGET::目标变量名...

P=>A

2>动态变量

例:INTEGER,POINTER::P

INTEGER S

ALLOCA TE(P)

P=4

S=P

DEALLOCA TE(P)

PRINT *,S

END

3>指针数组变量定义

类型说明,DIMENSION(:...:),POINTER::指针变量名ALLOCATE(X(20))

DEALLOCA TE(X)

4>定义结点

TYPE NODE

INTEGER V ALUE

TYPE(NOPE),POINTER::NEXT

END TYPE NODE

5>定义头指针

TYPE LIST

PRIV ATE

TYPE(NODE),POINTER::END

END TYPE LIST

6>对指针初始化(对头指针清空)

SUBROUTINE SETUP(L)

TYPE(LIST)L

NULLIFY(L%END)

END SUBROUTINE SETUP

中考英语口语辅导:consider的用法

中考英语口语辅导:consider的用法 表示“考虑”,其后可接动名词,但不能接不定式。如He is considering changing his job. 他在考虑调换工作。I’ve never really considered getting married. 我从未考虑过结婚的事。注:consider 之后虽然不能直接跟不定式,但可跟“疑问词+不定式”结构。如Have you considered how to get there / how you could get there. 你是否考虑过何到那儿去?2. 表示“认为”、“把……看作”,下面三个句型值得注意(有时三者可互换) (1) consider +that从句(2) consider+宾语+(as +)名词或形容词(3) consider+宾语+(to be +)名词或形容词I consider him (as) honest (或an honest man). I consider him (to be) honest (或an honest man). I consider that he is honest (或an honest man). 注:(1) 以上备句意思大致相同,对于consider 之后能否接as 的问题,尚有不同看法(即有人认为不能接as ,有人认为可以拉as,但实际上接as 的用法已很普遍)。(2) 在“consider+宾语”之后除可接to be 外,有时也可to do 型动词(但多为完成形式)。如We all considered him to have acted disgracefully. 我们都认为他的行为很不光彩。

英语情态动词用法总结(完整)

英语情态动词用法总结(完整) 一、单项选择情态动词 1.--- Difficulties always go with me! --- Cheer up! If God closes door in front of you, there be a window opened for you. A.must B.would C.could D.can 【答案】A 【解析】 【详解】 考查情态动词辨析。句意:——困难总是伴随着我!——高兴点! 如果上帝在你面前关上了门,一定有一扇窗户为你打开。A. must必须;B. would将要;C. could能,会;D. can能,会。must表示对现在的状态推测时,意为“一定”,表示可能性很大的推测。符合语境。故选A。 【点睛】 1) must用在肯定句中表示较有把握的推测,意为"一定"。 2) must表对现在的状态或现在正发生的事情的推测时, must 后面通常接系动词be 的原形或行为动词的进行式。 3) must 表示对已发生的事情的推测时,must 要接完成式。 4) must表示对过去某时正发生的事情的推测,must 后面要接完成进行式。 5) 否定推测用can't。 本句中的。must表示对现在的状态推测时,意为一定,表示可能性很大的推测。符合第2点用法。 2.Paul did a great job in the speech contest. He many times last week. A.need have practised B.might practise C.must have practised D.could practise 【答案】C 【解析】 【详解】 考查情态动词。句意:保罗在演讲比赛中表现得很好。他上星期一定练习了很多次。must have done是对过去发生的动作最有把握的猜测,意思是“一定”。故C选项正确。 3.He is a bad-tempered fellow, but he ________ be quite charming when he wishes. A.shall B.should C.can D.must 【答案】C 【解析】 【详解】 考查情态动词辨析。句意:他是个脾气不好的家伙,但当他希望自己有魅力的时候,他可

feel like doing和 feel like to do 的区别

feel like doing和 feel like to do 的区别 feel like doing=want to do 没有feel like to do这种用法 feel like 下面是我网上找的关于feel like的用法. 一、feel like+名词,意为“觉得好像……”。 It feels like rain soon.好像马上就要下雨了。 二、feel like+物质名词,意为“摸上去像是……”。 1. I'm holding something that feels like a potato. 我拿的东西摸上去像个土豆。 2. This kind of brick feels like wood. 这种砖摸起来像木头。 三、feel like+名词/代词,意为“觉得想做……”。 I feel like a rest after the long journey. 长途旅行后我想休息一下。 四、feel like+doing,意为“想做……”。 1. I don't feel like walking very much today. 我今天不太想散步。 2. She really feels like having a talk with him about his study at school. 她的确想和他谈一下他在学校的学习情况。 3. I don't feel like eating anything now. 我现在什么都不想吃。 4. Sometimes when I look into the sky, I feel like making a trip somewhere. 当我看天空时,我很想到某个地方旅行。 五、feel like+反身代词,意为“感到舒适;感觉身体好”,like可省略。 1. I'm not feeling myself today. 我今天感觉不舒服。 2. He felt(like)himself after doing exercise. 锻炼之后他感觉很舒服。

consider的基本用法及与regardthinkofabout

consider的基本用法及与regard,think ofabout和look(up)on as的区别 consider的基本用法及与regard,think of/about和look(up)on as的区别 consider一词在历年高考中是一个常考的要点,其用法应分为两部分来讲。第一、作“考虑、思考”时的搭配如下: 1.consider+n./pron.,例如: Have you considered the suggestion? That’s what we have to consider now. 2.consider+v-ing,但不能接不定式的一般式,例如: We considered going to see the doctor the next day. Have you considered moving to shanghai recently? You must consider to tell him something about it.(错误) 3.consider+疑问词+不定式,例如: He is considering how to improve his English. We must consider what to do next.

4.consider+从句,例如: We didn’t consider whether he should go or not. Have you considered when we should go there? 第二、作“认为、把……当作/看作”等意思时的搭配如下:1.consider+sb/sth+(to be/as)+n./adj.,例如: I consider him to(be/as)my best friend. Everyone considers him(to be)clever. He considered it much improved. 2.consider+sb./sth.+不定式短语(作宾语补足语),不能接不定式的一般式,例如: We consider them to be working very hard. We consider them to have finished the work. We consider him to be the clever in our class. We must consider him to go there at once.(错误) 3.consider+it+adj./n.+不定式短语,其中it为形式宾语,不定式短语为真正的宾语,例如: Jiao Yulu considered it his duty to serve the people heart and soul. They consider it necessary to set the slaves free.

make的用法

使役动词make用法说明 1、make用作使役动词,表示“使”,使用时注意以下几点: (1)后接不定式的复合结构作宾语时,不定式不能带to;如: You have made me feel secure。 但是,若make为被动语态,则不定式必须带to。如: Though he had often made his little sister cry, today he was made to cry by his little sister.虽然他曾经常把他小妹妹弄哭,但今天他被他小妹妹弄哭了。 注意,若make不表示“使”,而表示其他意思则情况不同,比如下面两句,make 后的不定式不是宾语补足语,而是目的状语: We make candles to give light.我们做蜡烛照明。 He made a box to put his money in.他做了个盒子来装钱。 (2)接过去分词作宾语补足语。如: He tries to make his ideas known.他设法让别人知道他的想法。 She had to shout to make herself heard.她必须大声喊才能让人听见她说话。(3)接形容词作宾语补足语。如: Have I made myself clear?我的意思说清楚了吗? We’ll do our best to make you happy.我们会尽一切努力使你幸福。 (4)接介词短语作宾语补足语。如: Sit down and make yourself at home.请坐,不要拘束。 (5)跟由名词构成的复合结构 His scientific pursuits had made him a very observant man. Its excellent properties makes graphene a good candidate for metamaterials. (6)make (使)通常不接现在分词的复合结构作宾语。要表示使某人或某事一直做某事或处于做某事的状态中,英语也可用have sb doing sth。如: 他讲的滑稽的笑话使大家都笑了。 His funny joke made everyone laugh.

likedoingsth和liketodo

like doing sth. 和 like to do sth. 区别 like to do sth 是偶尔一次的爱好, 而like doing sth 是长期性的爱好. like+doing这里面的进行时表示喜欢经常做一件事情,这件事情也就是这个人的爱好,例如"Do you like reading"意思是你爱好读书吗 like+to do加不定式表示想做什么事情,意思类似于want,例如"Do you like to go with me"表示现在愿不愿意去做某事 like一词具有多种词性和词义,以及多种用法。现简述如下: 一、用作动词: +名词/代词,意为"喜欢某人或某物"。例如: Tom likes fish very much.汤姆非常喜欢鱼。 Mr Wang is a good all like him. 王老师是个好老师,我们都喜欢他。 to do sth. 意为"(偶尔或具体地)喜欢做某事"。例如: I like to swim with you today.今天我喜欢和你一起去游泳。 doing sth. 意为"(经常或习惯地)喜欢做某事"。例如: He likes singing.他喜欢唱歌。 sb. to do sth.意为"喜欢某人做某事"。例如: She likes them to ask questions like this. 她喜欢他们像这样问问题。 like to do sth. (=want to do sth.)意为" 想要做某事"。例如: I'd like to go shopping with you.我想要和你一起去买东西。 like sb. to do sth.意为"想要某人做某事"。

Consider的用法

Consider的用法: -Have you considered_____ the job ss a teacher? -Yes.I like it because a teacher is often considered _______ a gardener. A.to take,to be B.to take,being C.taking,being D.taking,to be 答案:d译文:你考虑过做老师的工作吗? 是的,我非常喜欢,因为老师通常被认为是园丁 一、consider作“考虑”解,常用于以下句型: 1.consider+名词/代词/动名词。 You'd better consider my suggestion. 你最好考虑我的建议。 I’m considering going abroad some day.我一直考虑有一天出国。 2.consider+从句或“疑问词+不定式”。 Have you considered what he suggested? 你们考虑他的建议了吗? We must consider what to do next. 我们必须考虑下一步要做什么。 二.consider作“认为”解时,常用于以下句型: 1.consider sb./sth+.(as)+形容词/名词。其中,as可以省略。 We consider him honest. 我们认为他很诚实。 At first they considered me as a doctor.起初他们认为我是医生。 2.consider+sb./sth.+不定式。其中,不定式通常是to be(可以省略)或其他动词的完成式。We consider this matter to be very important. 我们认为这件事很重要。 We all consider him to have stolen the bike.我们都认为他偷了自行车。 3.consider+it+形容词/名词+不定式短语。 We consider it hard to study English well.我们认为学好英语很难。 I consider it my duty to help you with your studies.我认为帮助你学习英语是我的职责。 4.consider+宾语从句。 We consider that the music is well worth listening to.我们这首音乐很值得一听。 在该题中,前一个句子中的consider作“考虑”解,后接动名词作宾语,但不可接不定式,由此可以排除A, B; 后一个句子中的consider作“认为”解,用到句型consider+sb./sth.+不定式,此处使用的是被动语态结构。故答案为D项。 请看下面两道考题,均考查“with+宾语+非谓语动词”结构: 1.—Come on, please give me some ideas about the project. —Sorry. With so much work _________my mind, I almost break down. A.filled B.filling C.to fill D.being filled 2.John received an invitation to dinner, and with his work _________, he gladly acc epted it. A.finished B.finishing C.having finished D.was finished 以上两题答案分别为B和A,均考查“with+宾语+非谓语动词”结构。该结果中的“非谓语动词”可以是不定式、现在分词、过去分词,它们在用法上的区别如下:

make的用法

The loud music makes me nervous. 嘈杂的音乐会让我觉得紧张。(Grammar Foucs) The color red makes me nervous. 红色会使我紧张。 The exciting music makes me want to dance.兴奋的音乐使我想跳舞 【2014重庆38】He lost his key.It made him in the cold to wait for his wife’s return. A. to stay B. stayed C. stays D. stay We were made to work days and nights.我们被迫日夜工作。 But that music makes me sleepy. 但是那种音乐会让我昏昏欲睡。( 1c )

The color red makes me nervous. 红色会使我紧张。 As for our next meeting, let’s make it the day after tomorrow. make faces 做鬼脸make sure 查明,弄清 make kites 制作风筝make the bed 整理床铺make sentences 造句make a noise 制作噪音make mistakes 犯错make money 赚钱 make progress 取得进步make friends with… 与……交朋友make a telephone 打电话make fun of 取笑 make one’s at home 随便,不拘束make a milk shake 制作一份奶昔make a living谋生make up 组成,编造be made up of 由……组make a plan 制定计划make one’s plan 制定某人的计划make a decision 做决定 make one’s mind 下定决心make one’s bed整理床铺make tea 沏茶

like doing sth 和 like to do sth.

like doing sth. 和like to do sth. 区别 like to do sth 是偶尔一次的爱好, 而like doing sth 是长期性的爱好. like+doing这里面的进行时表示喜欢经常做一件事情,这件事情也就是这个人的爱好,例如"Do you like reading?"意思是你爱好读书吗? like+to do加不定式表示想做什么事情,意思类似于want,例如"Do you like to go with me?"表示现在愿不愿意去做某事 like一词具有多种词性和词义,以及多种用法。现简述如下: 一、用作动词: 1.like+名词/代词,意为"喜欢某人或某物"。例如: Tom likes fish very much.汤姆非常喜欢鱼。 Mr Wang is a good teacher.We all like him. 王老师是个好老师,我们都喜欢他。 2.like to do sth. 意为"(偶尔或具体地)喜欢做某事"。例如: I like to swim with you today.今天我喜欢和你一起去游泳。 3.like doing sth. 意为"(经常或习惯地)喜欢做某事"。例如: He likes singing.他喜欢唱歌。 4.like sb. to do sth.意为"喜欢某人做某事"。例如: She likes them to ask questions like this. 她喜欢他们像这样问问题。 5.would like to do sth. (=want to do sth.)意为" 想要做某事"。例如: I'd like to go shopping with you.我想要和你一起去买东西。 6.would like sb. to do sth.意为"想要某人做某事"。 I'd like you to meet my parents.我想要你见见我的父母亲。 二、用作介词: 1. be like, look like后接名词或代词作宾语,意为"像……;跟……一样"。例如:

consider的用法归纳有哪些

consider的用法归纳有哪些 consider的用法:作名词 consideration作名词,意为careful thought and attention斟酌,考虑 Several considerations have influenced my decision.好几个因素影响了我的决定。 1.Consideration for顾及,体贴 He has never shown much consideration for his wife’s needs.他从来不顾及他妻 子的需要。 2.Under consideration在讨论/考虑中 Several projects are under consideration.好几个项目在讨论中。 There are some proposals under consideration. 有几个建议在审议中。 3.Take sth. into consideration考虑到某事,体谅 Your teachers will take your recent illness into consideration when marking your exams. 你的几位老师在给你的考试评分时,会考虑你最近生病这一情况的。 4.Leave sth. out of consideration 忽略/不重视某事 It was wrong to leave my feelings out of consideration.不顾及我的情感是不对的。 5.Show consideration for体谅,顾及 Jeff never shows any consideration for his mother’s feelings.杰夫从来不体谅他 母亲的感受。 6.of. No / little consideration无关紧要的,不重要的 Whether he would go with us or not was of no consideration. 他是否跟我们一起 去是无关紧要的。 7.In consideration of sth.作为对……的汇报,考虑到 It’s a small payment in consideration of your services.这是答谢您服务的微薄酬金。 consider的用法:作动词 1.Consider作动词,意为think about sth.考虑,斟酌 常用搭配:consider sth. / doing sth. / where(how, why)+to do /that clause; all things considered通盘考虑,考虑到问题的各个方面。如:

make 用法归纳

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MAKE的用法

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make用法及短语 一、make的复合宾语。英语中make一词用法甚多,是使用频率最高的动词之一,而make 作使役动词的用法也很常见。意思是“使成为”、“使作为”、“使变成”,其后的复合宾语(即宾语+宾语补足语)有以下表达方式: 1. make +宾语+名词(作宾语补足语) Most pop singers make music their career.大多数流行歌手把音乐当作他们的职业。 Bill Gates’Microsoft makes him a phenomenon in the business world. 比尔·盖茨的微软使他成为商界的一个奇才。 What makes the ocean such a great place to live? 究竟是什么东西使大海成为如此优越的生活场所呢? European football is played in 80 countries,making it the most popular sport in the world. 80个国家踢欧式足球,使它成为世界上最受欢迎的运动。 After all,what makes a new invention such a wonderful thing is that it allows us to do something we could not do before. 毕竟,一项发明之所以成为如此奇妙的事情就在于它可以让我们做以前不能做的事。 2. make +宾语+不带to的不定式(作宾语语补足语) Nobody made us go to bed at a certain time.没有人让我们在某一固定时间就寝。 Pop music makes people feel easy and forget about the real world;rock music makes people think about the world and how to make their life better. 流行音乐令人松弛安心,忘记这真实的世界,而摇滚乐使人思考这个世界和如何改善自己的生活。 Nothing can make me turn against my country.什么也不能使我背叛我的祖国。 Love may create the wonder,and may make people become satisfied and optimistic. 爱可以创造奇迹,可以让人变得满足和乐观。 注意:但改成被动语态时,则要加to。 Children should be made to understand the importance of saving water. 应该让孩子们理解节水的重要性。 3. make +宾语+形容词(作宾语补足语) But I was happy to help because I knew it was to realize our dream of making black and

consider的用法和短语例句

consider的用法和短语例句 consider有考虑;思考;认为;体谅等意思,consider的多种用法你了解多少呢,下面跟着小编一起来学习consider的用法和短语例句吧,希望对大家的学习有所帮助! consider的用法consider的用法1:consider的基本意思是用脑细想和斟酌,也可表示为找到结论而想方设法,还可以表示限定在确定的观点上,即认为。引申可表示关心顾及体谅等。 consider的用法2:consider作考虑解时,可用作不及物动词,也可用作及物动词。用作及物动词可接名词、代词、动名词、带疑问词的动词不定式或wh-从句作宾语。接动名词作宾语时,可用于进行时态。 consider的用法3:consider作认为解时,是正式语体,可接that 从句作宾语,也可接复合宾语。其宾语补足语可由名词、形容词、介词短语、动词不定式、现在分词、过去分词等充当。在用作宾语补足语的名词、形容词或介词短语之前,有时可插入to be或as。如果to be表示的时间先于谓语动词,则不可省略且须用完成时。consider 作关心,体谅,顾及解时,一般接名词作宾语。 consider的用法4:consider的过去分词considered有时可用作定语用来修饰其他名词,意思是考虑过的。 consider的用法5:consider可用于被动结构。

consider的常用短语consider over (v.+prep.) 考虑think about (sth) consider over sth consider相关词汇辨析consider,think,believe,count,deem,reckon,regard 这些动词均含有认为之意。 consider 指经过考虑和观察后得出的结论。 think 普通用词,指按照自己的意见提出看法。 believe 通常指根据一定的证据,经思考后而认为属实。 count 指作出判断后而得出的看法等。 deem 正式用词,常用于法律、文学,强调作判断而不是思考。 reckon 指对人或事作全面权衡,把各方面意见考虑进去后得出结论。 regard 侧重凭外表或表面现象作判断。多强调观点。 consider to do还是consider doing? I am considering to write an article.这个句子要表达的意思是:我正在考虑些一片文章。 句中出现consider这个词,它是名词consideration的动词形式。它是指考虑某人或某事物,尤其是指以做决定为目的的,细想。 我们先来熟悉一下这个词的用法,它的习惯用法有consider+名词或代词等,consideration+宾语从句,还有consider somebody or something for something or somebody或者是

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