Feeds
已解决
Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
6 years 前
已解决
Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...
6 years 前
已解决
Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...
6 years 前
已解决
Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]
6 years 前
已解决
Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
6 years 前
已解决
Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<http://upload....
6 years 前
已解决
Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...
6 years 前
已解决
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...
6 years 前
已解决
Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...
6 years 前
已解决
Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...
6 years 前
已解决
Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.
6 years 前
已解决
Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...
6 years 前
已解决
Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
6 years 前
提问
How can i solve non-linear equation?
<</matlabcentral/answers/uploaded_files/119294/fgh.png>> Well, i tried to solve this equation but i got few errors. My equ...
7 years 前 | 1 个回答 | 0
1
个回答提问
Error in fzero function
why i got this error and how can i fix this? Thank you.. a=log(0.5)*log10(30)*sin(pi/6); b=0.5*(atan(0.5))*3^(1/5); fz...
8 years 前 | 1 个回答 | 0
1
个回答提问
Plotting two linear equations
Hi. How can i plot this equation between (-5,2) values f(x) = * -1 ----> x<-1 * x^2+x ------> -1 <= x < 2
8 years 前 | 1 个回答 | 0
1
个回答已回答
Why the answer is like that?
First thank you for your answers i am really pleased. This is tutorial question and yes i know, real answer is not 0.06 but q...
Why the answer is like that?
First thank you for your answers i am really pleased. This is tutorial question and yes i know, real answer is not 0.06 but q...
8 years 前 | 0
提问
Why the answer is like that?
syms x s = vpa(solve((0.5)==(log(5)*log10(8)*sinh(x))/(atan(0.5)*(3^(1/5))*abs(cos(2*pi/3))*exp(cos(2*pi/3))),x)) the co...
8 years 前 | 3 个回答 | 0
3
个回答提问
How can i find unknown variable with solve command?
al=60; be=45; b=2; (a-b)/(a+b))=tand(0.5*(al-be))/(tand(0.5*(al+be))) Guys how can i find 'a' variable with solve co...
8 years 前 | 1 个回答 | 0
