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是Mjaavatten


Last seen: 7 days ago|自2015年以来活跃

退休的物理学家与背景的石油and process industry. My main interests are mathematical modelling, numerical methods, and thermodynamics.

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内容提要

Solved


Find the length of stream affected by a spill
当污染物被溢出到一条小溪中时,人们可能想知道该流受到了多少影响 - 例如,长度在whi ...

1month ago

Solved


解决ode:由单元格模型预测的浓度
预测河流中污染物混合和运输的一种方法是元件中的细胞模型。该模型将RI划分...

1month ago

问题


如果只有一个行,如何创建包含字符数组的表?
This works fine: Time = [1;2];Force = [12;17];ID = ['ab';'cd']; T = table(Time,Force,ID) But this fails: Time = [1];Force = ...

5个月前|1答案|0

1

回答

Solved


"mirror" matrix
Create n x 2n "mirror" matrix of this type: Examples For n = 2 m = [ 1 2 2 1 1 2 2 1 ] For n = 3 m = ...

8 months ago

Solved


制作一颗星形金字塔
创建一个星金字塔。第一行将有1星,第二行将有两颗星,依此类推...一个很容易完成的基本程序...

8 months ago

Solved


Create a Multiplication table matrix...
Create a product table in this format: P = [ 1 2 3 4 5; 2 4 6 8 10; 3 6 9 12 15; 4 8 12 1...

8 months ago

Solved


Amazing circle of numbers 1 to n
对于给定的自然数n,在不重复的情况下创建数字1到n的惊人圆圈。这个圆圈是任何两个广告的总和...

8 months ago

Solved


Compute the Sequence of the Day
序列以1和2开头,每个后续项是前两个项的乘积数字的总和。作为一个...

8 months ago

Solved


Weighted Gold/Silver Standard
Building off of the and

8 months ago

Solved


Gold/Silver Standard
Pursuant to the problem, suppose that yo...

8 months ago

Solved


Return fibonacci sequence do not use loop and condition version 2
Calculate the nth Fibonacci number,return sequence Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... ...

8 months ago

Solved


黄金标准
由于其固有的价值和稀有性,黄金长期以来一直用作货币和货币标准。黄金的历史数据...

8 months ago

Solved


图案识别3-可变单元和阵列长度(包括单元格数)
将为您提供各种数组,包括数字或字符串,包括字符串的单元格数。For this problem, the patter...

8 months ago

Solved


模式识别2-已知的单位长度,各种阵列长度(包括单元阵列)
将为您提供各种数组,包括数字或字符串,包括字符串的单元格数。对于这个问题,已知...

8 months ago

Solved


Easy Sequences 15: Pythagorean Area with maximum Hypotenuse
A pythagorean triangle is defined as a right triangle with all three sides having integer lengths. Examples of pythogorean trian...

9个月前

提交


Identify convex and concave parts of polygon
c =凸([x,y])c = 1,其中多边形向内部c = -1曲线曲线向外曲线向外曲线

9个月前|8 downloads |

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Solved


易于序列10:斐波那契序列的集量总和
The function F(n) is defined as the set of Fibonacci numbers from the first up to the n-th. S(n) is the result of applying to F,...

9个月前

Solved


Easy Sequences 25: Product of Series
函数“ p(n)”定义为串联产品:其中't(n)'是三角形总和:...

9个月前

Solved


分开来!分开来!
You have N pennies. Write a Matlab script that will reveal how many different ways you can break up those pennies. For example...

9个月前

Solved


Easy Sequences 37: Natural Factorable Polynomials
形式的多项式:,因为可以将其纳入一级二项式的产品,可以自然施加...下载188bet金宝搏

9个月前

Solved


Easy Sequences 47: Boxes with Prime Edges
这与问题“简单序列41:具有整数边缘的框”有关。但是,我们将在这里调查一个较小的...

9个月前

Solved


图案识别1-已知的单位长度
You will be given various arrays, composed of numbers or strings. For this problem, the known pattern unit length is three. Writ...

9个月前

Solved


Twin Primes
Twin primes are pairs of primes that are immediately next to each other (difference of two). The lesser of twin primes are 3, 5,...

9个月前

Solved


自相似3-其他一对术语
Self-similar integer sequences are certain sequences that can be reproduced by extracting a portion of the existing sequence. Se...

9个月前

Solved


Self-similarity 2 - Every third term
Self-similar integer sequences are certain sequences that can be reproduced by extracting a portion of the existing sequence. Se...

9个月前

Solved


自相似1-其他术语
Self-similar integer sequences are certain sequences that can be reproduced by extracting a portion of the existing sequence. Se...

9个月前

Solved


Mobius function
来自:对于任何正整数n,将μ(n)定义为prim ...的总和。

9个月前

Solved


Not square-free number sequence
都是正整数的正方形,大于一个:4、8、9、12,...

9个月前

Solved


脾脏数序列
是积极的整数,它们是三个不同质数的产物:30,42,66,7 ...下载188bet金宝搏

9个月前

提交


2D或3D空间中1D曲线的曲率
Calculates the local radius of curvature as well as the cumulative arc length and the curvature vector along a 1D curve in 2D or...

9个月前|75 downloads |

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