Mara

Last seen: 2年弱前 | 2020 年からアクティブ

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Random sampling and removing data
Hey Sooraj, it is not all clear to me whether you want to choose entire rows/columns of your matrix or completely random sets o...

約3年前 | 1

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How to create axis with perfect square ticks
yticks((1:50).^2) if you just want to change the labels you can use yticklabels((1:50).^2)

約3年前 | 0

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How to input signal to skip numbers and generate data?
A = [0 0 0 0 0 1 1 1 0 0 0 0 1 0 1 1 0 0 1 1 1 1 1 0 0 0 0]; n = 2; B = zeros (1,length(A)); count = 0; ...

約3年前 | 1

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If you follow this code, you will see a graph, but when you hit enter, line 45 keeps saying "'l' is an unrecognizable function or variable." But even though for I= 2:k is given, what is the problem?? ?
Your loop variable is a an upper case i, but in your loop you use a lower case l, which look identical in some fonts.

3年以上前 | 0

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Comparing strings of different lengths.
So is your question how to shorten your code? Maybe try this statement if strcmp(filename1, filename2) % Whatever you want...

3年以上前 | 0

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How to extract corresponding values of x-axis based y-axis values.
maybe use ismember: idx = ismember(y, [5,6,74,5,67]) xvalues = x(idx) P.S. sorry for the editing, I now read your problem c...

4年弱前 | 0

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Plotting multiple functions, while showing only parts of them
Hello, you can plot only to the maximal y-value by finding the index of it in your vector of y-values. When you plot x and y, y...

4年弱前 | 0

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Getting the indices from a matrice
Getting the indices from a matrice. Inspired by Problem 645. Getting the indices from a vector by the great Doug Hull. Given a...

4年弱前

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Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

4年弱前

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Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

4年弱前

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Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

4年弱前

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Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

4年弱前

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Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

4年弱前

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Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

4年弱前

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Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

4年弱前

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

4年弱前

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Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

4年弱前

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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...

4年弱前

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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 = ...

4年弱前

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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]; ...

4年弱前

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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]

4年弱前

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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....

4年弱前

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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...

4年弱前

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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...

4年弱前

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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...

4年弱前

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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...

4年弱前

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Return area of square
Side of square=input=a Area=output=b

4年弱前

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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.

4年弱前

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Add two numbers
Given a and b, return the sum a+b in c.

4年弱前

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File-loop, for loop,importing excel data
%Read each CSV file, change the text data to numeric and work with it clear; clc; dirroot='C:\Documents\Excel\'; for L=1:2...

4年弱前 | 0

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