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Remove element(s) from cell array

You can easily remove an element (or a column in any dimension) from a normal matrix, but assigning that value (or range) empty....

1 month ago

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Cell Counting: How Many Draws?

You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

1 month 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...

1 month ago

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Fix the last element of a cell array

Note: this is lifted directly from <http://www.mathworks.com/matlabcentral/answers/82825-puzzler-for-a-monday Puzzler for a Mond...

1 month ago

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Natural numbers in string form

Create a cell array of strings containing the first n natural numbers. _Slightly_ harder than it seems like it should be. Ex...

1 month ago

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write an equation with graph

This might help you: SF = [7,8,9,10,11,12]; CR = [1,2,3,4]; BW = [125,250,500]; BW_fixed = BW(1); % fixed Bandwidth [X...

write an equation with graph

This might help you: SF = [7,8,9,10,11,12]; CR = [1,2,3,4]; BW = [125,250,500]; BW_fixed = BW(1); % fixed Bandwidth [X...

1 month ago | 0

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Right Triangle Side Lengths (Inspired by Project Euler Problem 39)

If _p_ is the perimeter of a right angle triangle with integral length sides, { _a_, _b_, _c_ }, there are exactly three solutio...

1 month ago

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Is the Point in a Triangle?

Check whether a point or multiple points is/are in a triangle with three corners Points = [x, y]; Triangle = [x1, y1; x...

1 month ago

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Height of a right-angled triangle

Given numbers a, b and c, find the height of the right angled triangle with sides a and b and hypotenuse c, for the base c. If a...

1 month ago

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Find the sides of an isosceles triangle when given its area and height from its base to apex

Find the sides of an isosceles triangle when given its area and the height from its base to apex. For example, with A=12 and ...

1 month ago

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Can we make a triangle?

Given three positive number, check whether a triangle can be made with these sides length or not. remember that in a triangle su...

1 month ago

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Find my daddy long leg (No 's')

Given the ratio of the two legs (longer / shorter), and the hypotenuse length, find the value of the bigger leg.

1 month ago

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Create a cell array out of a struct

Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column: in: ...

1 month ago

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Cell joiner

You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

1 month ago

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Calculate the area of a triangle between three points

Calculate the area of a triangle between three points: P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) these three points are the vert...

1 month ago

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There are 10 types of people in the world

Those who know binary, and those who don't. The number 2015 is a palindrome in binary (11111011111 to be exact) Given a year...

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Converting binary to decimals

Convert binary to decimals. Example: 010111 = 23. 110000 = 48.

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Binary code (array)

Write a function which calculates the binary code of a number 'n' and gives the result as an array(vector). Example: Inpu...

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Relative ratio of "1" in binary number

Input(n) is positive integer number Output(r) is (number of "1" in binary input) / (number of bits). Example: * n=0; r=...

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Bit Reversal

Given an unsigned integer _x_, convert it to binary with _n_ bits, reverse the order of the bits, and convert it back to an inte...

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Given an unsigned integer x, find the largest y by rearranging the bits in x

Given an unsigned integer x, find the largest y by rearranging the bits in x. Example: Input x = 10 Output y is 12 ...

1 month 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...

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Find out sum and carry of Binary adder

Find out sum and carry of a binary adder if previous carry is given with two bits (x and y) for addition. Examples Previo...

1 month ago

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Write M file with while loop, which computes factorial of any x, (x=12).

f = 12; x = f; fact = x; while x>1 x = x-1; fact = fact*x; end disp(fact) % assert(isequal(fact,factorial(f)))...

Write M file with while loop, which computes factorial of any x, (x=12).

f = 12; x = f; fact = x; while x>1 x = x-1; fact = fact*x; end disp(fact) % assert(isequal(fact,factorial(f)))...

1 month ago | 0

Answered

change the lines' widths in a stem plot, without changing the markers edges widths?

You can change the value of h2.SizeData to adapt to h1.LineWidth close all x = 1:10; y = [2 5 4 1 2 4 1 8 1 2]; h1 = stem(x,...

change the lines' widths in a stem plot, without changing the markers edges widths?

You can change the value of h2.SizeData to adapt to h1.LineWidth close all x = 1:10; y = [2 5 4 1 2 4 1 8 1 2]; h1 = stem(x,...

1 month ago | 0

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Fibonacci-Sum of Squares

Given the Fibonacci sequence defined by the following recursive relation, * F(n) = F(n-1) + F(n-2) * where F(1) = 1 and F(1)...

1 month ago

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Fibonacci sequence

Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

1 month ago

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Plotting multiple vertical lines with a for loop

Try this sz = size(SampleDepth,1); for i = 1:sz xline(SampleDepth(i)); end

Plotting multiple vertical lines with a for loop

Try this sz = size(SampleDepth,1); for i = 1:sz xline(SampleDepth(i)); end

1 month ago | 0

Answered

what is wrong?

Misspelling : cox -> cos * (Matrix multiplication) -> .* (Multiplication) Try this: x = -3:0.1:3 y = sin(x).*cos(2*x)+1 plo...

what is wrong?

Misspelling : cox -> cos * (Matrix multiplication) -> .* (Multiplication) Try this: x = -3:0.1:3 y = sin(x).*cos(2*x)+1 plo...

1 month ago | 0

Question

How to call Mathematica in Matlab to evaluate the symbolic anonymous function?

% I need to perform symbolic calculations x1 = sym('x1'); x2 = sym('x2'); % The actual expression is very complicated % Th...

2 months ago | 1 answer | 0