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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...

plus de 3 ans ago

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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...

presque 4 ans ago

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Words Count: A Cell Array Approach

Given an input character vector consisting of words, punctuation marks, white spaces, and possibly newline characters (\n), arra...

presque 4 ans ago

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Use R2016b Text Manipulations to Fix These Addresses (Part 3)

We have a series of addresses like the following which we'd like to reformat. Each of the addresses lacks a space and a comma ...

presque 4 ans ago

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Use R2016b Text Manipulations to Fix These Addresses (Part 2)

We have a series of addresses like the following which we'd like to reformat. All the addresses are in the Boston area of Mass...

presque 4 ans ago

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Use R2016b Text Manipulations to Fix These Addresses (Part 1)

We have a series of addresses like the following which we'd like to reformat. Can you remove the latitude and longitude from the...

presque 4 ans ago

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String Array Basics, Part 4: Convert String Array with Missing Values to Cell Array

<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

presque 4 ans ago

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String Array Basics, Part 3: Convert Cell Array with Missing Values to String Array

<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

presque 4 ans ago

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String Array Basics, Part 1: Convert Cell Array to String Array; No Missing Values

<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

presque 4 ans ago

Solved

String Array Basics, Part 2: Convert String Array to Cell Array; No Missing Values

<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

presque 4 ans ago

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Combine the first and last names

MATLAB R2016 provides a rich set of functions to work with string arrays. In this problem, you will be given two string arrays o...

presque 4 ans ago

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Words Count: A String Array Approach

Given an input character vector consisting of words, punctuation marks, white spaces, and possibly newline characters (\n), arra...

presque 4 ans ago

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Reverse Run-Length Encoder

Given a "counting sequence" vector x, construct the original sequence y. A counting sequence is formed by "counting" the entrie...

presque 4 ans ago

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Generate N equally spaced intervals between -L and L

Given N and L, return a list of numbers (in ascending order) that divides the interval [-L L] into N equal-length segments. F...

presque 4 ans ago

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Replicate elements in vectors

Replicate each element of a row vector (with NaN) a constant number of times. Examples : n=2, A=[1 2 3] -> [1 1 2 2 3 3] n=0...

presque 4 ans ago

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Getting the indices from a vector

This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

presque 4 ans ago

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Matrix indexing with two vectors of indices

Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)).

presque 4 ans ago

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Set the array elements whose value is 13 to 0

Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...

presque 4 ans ago

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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,...

presque 4 ans ago

Answered

Surface of a equation

There is a new function in R2016b: <http://cn.mathworks.com/help/matlab/ref/fimplicit3.html fimplicit3> So r = 1; fimp...

Surface of a equation

There is a new function in R2016b: <http://cn.mathworks.com/help/matlab/ref/fimplicit3.html fimplicit3> So r = 1; fimp...

presque 4 ans ago | 0

Answered

what is the best way to plot an implicit surface ?

There is one new function in R2016b: <http://cn.mathworks.com/help/matlab/ref/fimplicit3.html fimplicit3>

what is the best way to plot an implicit surface ?

There is one new function in R2016b: <http://cn.mathworks.com/help/matlab/ref/fimplicit3.html fimplicit3>

presque 4 ans ago | 0

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Which doors are open?

There are n doors in an alley. Initially they are all shut. You have been tasked to go down the alley n times, and open/shut the...

presque 4 ans ago

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Find the two most distant points

Given a collection of points, return the indices of the rows that contain the two points most distant from one another. The inpu...

presque 4 ans ago

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Bullseye Matrix

Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

presque 4 ans ago

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Find common elements in matrix rows

Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

presque 4 ans ago

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How to calculate log?

There is a log that have base 5. How to calculate? log5(x)?

presque 4 ans ago

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Replace x value into y value in string text.

Replace x value into y value in string text. Example text='Hello World' x='World', y='Universe' result='Hello Universe'.

presque 4 ans ago

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Extract leading non-zero digit

<http://en.wikipedia.org/wiki/Benford%27s_law Benford's Law> states that the distribution of leading digits is not random. This...

environ 4 ans ago

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Binary numbers

Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...

environ 4 ans ago