community profile

photo

jang geun choi -凯发k8网页登录


pusan national university

last seen: 2 months 前 |  自 2014 起处于活动状态

i'm a student studying ocean science using matlab.

统计数据

all

content feed

排序方式：

已提交



calculate wave and its energy

6 years 前 | 4 次下载 |

thumbnail

已提交



simulate two-dimensional wave

6 years 前 | 3 次下载 |

thumbnail

已解决



feel free to copy paste all the tests and voila you solved the problem

6 years 前

问题



for example, y=function([3 -2 -4]) in here, input vector indicate 3*x^2-2*x-4, y is solution of former equation. y=[1.5...

6 years 前 | 2 | 84 个解题者

问题



all elements are larger than 5 a=[1 3 5 8 6]; b=[6 6 6 6 6]; function(a) should be false, and function(b) will be tru...

6 years 前 | 4 | 141 个解题者

问题



4x - 2y 6z=8 2x 8y 2z=4 6x 10y 3z=0 find x,y,z. output should be a=[x;y;z].

6 years 前 | 5 | 68 个解题者

问题



a=[1] save variable a that is located in workspace into current folder. file name should be 'a.mat'

6 years 前 | 4 | 78 个解题者

问题



from x = 4 3 5 1 5 1 to y = 4 3 5 1 ...

6 years 前 | 6 | 111 个解题者

问题



vector is a matrix whose size is 1 x n or n x 1. change matrix to vector. x = 4 3 5 1 ...

6 years 前 | 7 | 183 个解题者

问题



there is a log that have base 5. how to calculate? log5(x)?

6 years 前 | 11 | 169 个解题者

问题



using given inputs x and z, make two outputs that are y1=(xz)/(x/z)^2 14x^2-0.8z^2 y2=x^z-z^x (x/z)^2-(z/x)^2

6 years 前 | 7 | 153 个解题者

已提交



simulate wave in the open boundary

6 years 前 | 2 次下载 |

thumbnail

问题



x=(1:10)' y=roundn(2*x 7*rand(size(x)),-1) a*x=y estimate a using inverse matrix calculation. this is principle of li...

6 years 前 | 5 | 82 个解题者

问题



a=function(r,seta) r is radius of sector, seta is angle of sector, and a is its area.

6 years 前 | 16 | 1253 个解题者

已解决



inspired by problem 2008 created by ziko. in mathematics, the persistence of a number is the *number of times* one must apply...

6 years 前

已解决



divide a polynomial u by polynomial v and return the quotients only. example: u = x^4 3*x^3 5*x 3 v = x^2 1 answer: ...

6 years 前

已解决



make a plot and test

6 years 前

已解决



access the diagonal elements of a matrix without 'diag' function

6 years 前

已解决



the aim is to remove the elements before and after nan occurrences inside a vector. for example: x = [6 10 5 8 9 nan 23 1...

6 years 前

已解决



f = [1 1 2 3 5 8 13 ...] if n=6, f(6)=8

6 years 前

已解决



given a, b ​​and c, return the solution of the following quadratic equation: a*x^2 b*x c = 0.

6 years 前

已解决



find the square root (y) of an input (x).

6 years 前

已解决



weave the two given vectors into one as shown below. example: if a = [1 1 1] b = [0 0 0] then y = [1 0 1 0 ...

6 years 前

已解决



for e.g. in = [3 2 1] out = [1 1 1 0]

6 years 前

已解决



find out magnitude of vector. say x=[1 2 3], then answer must sqrt(1^2 2^2 3^2) please don't use sum function. if you l...

6 years 前

已解决



given a matrix x, find the largest prime number in x.

6 years 前

已解决



given a polynomial equation coefficients in a vector p, you have to return its value at x. example: for inputs p and x ...

6 years 前

已解决



given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'

6 years 前

已解决



sum the real and imaginary parts of a complex number. example c = 1 2i has the solution 1 2 = 3

6 years 前

已解决



let input='a' output=97

6 years 前

网站地图