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Percentage profit:4

If a shopkeeper is selling W gram of salt in 1 dollar he will face r% loss. How much salt he should sell in grams to make r% pro...

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Percentage profit:2

If you are selling at x dollar, you are facing r1% profit; what will be the selling price for making r2% profit?

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Duration of a trip in minutes

Input is a string which includes the duration of a trip. Convert the duration to minutes. For example if the duration of a t...

plus de 4 ans ago

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Weighted average

Compute the weighted average Y, of the vector A, given the weight vector W. The weighted average is the sum of the dot produc...

plus de 4 ans ago

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Who have the chance?

Obtain a free 10 score in cody, if you have a chance don't change anything if you want to try or do what you can do to gain for ...

plus de 4 ans ago

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I'm going to enjoy watching you calculate, Mr Anderson

Smith numbers are numbers such that if you add up all of the digits in the number, that sum equals the sum of all of the digits ...

plus de 4 ans ago

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Is it a mail?

Electronic mail, or email, is a method of exchanging digital messages between people using digital devices such as computers, mo...

plus de 4 ans ago

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Relation between functions "dec2bin" & "dec2binvec"

Here it's an easy problem we try to find the relation between the two functions "dec2bin" & "dec2binvec", so here you must write...

plus de 4 ans ago

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Divisible by 21

Write a function to determine if a number is divisible by 21.

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Sum of self power series

The series, 1^1,2^2,3^3,4^4,.... Find the sum of such series when x terms are given.

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Even or Odd

Write a function which can tell us if the given value x is odd or even. So if x is even return true and if x is odd return false...

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calculate PI without using pi function

There are many methods to get the pi(Ratio of circumference to diameter). You should get pi without using the pi function in M...

plus de 4 ans ago

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Probability of red tulips (at both ends of a row)

I planted tulip bulbs in a row on my flower bed. I thought that I had planted white tulips all. However, later, it turned out t...

plus de 4 ans ago

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Probability of red tulips

I hope to give you bulbs of tulip. But I do not know the color of those petals. I just know that the color is red, white or yell...

plus de 4 ans ago

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Delete the column with all 0 in the TABLE

In the given table (T), delete the column with all 0 data. e.g. input Banana Apple Orange Mellon __...

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Delete the column with all 0 !

Delete the column with all 0 data in a matrix(x). e.g. input x = 1 0 0 4 5 0 7 0 ...

plus de 4 ans ago

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Insert Special character in character cell array.

input={'a','b','c'} then ans={'a','*','b','*','c'}

plus de 4 ans ago

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Compute the intersect point of line and plan

Compute the intersect point of line and plan. eg. line AB, the coordinate of A is (1,2,3) the coordinate of B is (-4,-5,-6...

plus de 4 ans ago

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Average of odd values

Find the average of odd values in given a matrix. e.g x=[ 4 11 8 ; 9 2 7 ] y =( 11 + 9+ 7 ) / 3

plus de 4 ans ago

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Calculate feeling temperature before climbing a mountain

I sometimes climb a mountain. As is well known, when the altitude becomes 100 (m) higher, the temperature lowers by 0.6 degrees...

plus de 4 ans ago

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Sort the prime numbers in each row of a 3x3 matrix

Considering a 3x3 matrix A, sort the prime numbers of each row in ascending order. For exemple: input A=[5 8 2 4; ...

plus de 4 ans ago

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Combination of Vectors

Return a combination of vectors x1, x2 based on y1, y2 per: x(j) = 0 if y1(j) < y2(j) x(j) = x1(j) if y1(j)...

plus de 4 ans ago

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convert between ascii and characters

I have seen multiple problems like this but none of them have a robust test suite associated with them. The first input C is ...

plus de 4 ans ago

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Simple spirometer - find your lung capacity from the number and size of soap bubbles in one breath

Assumed that each bubble has practically the same diameter d. Given total number n of bubbles. Find volume v of breath.

plus de 4 ans ago

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Given n, create n random numbers such that their standard deviation is also n.

Given n, create n random numbers such that their standard deviation is also n.

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Find the mean of a 2-D matrix after excluding elements of specified sub-matrix

You need to find the mean of a 2-D matrix after excluding elements which form an inner sub-matrix. e.g. If the input 2-D matrix ...

plus de 4 ans ago

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Perl 3: shift

_This is part of a series of perl function which were very helpful for many perl programmers. Could you implement it in Matlab?_...

plus de 4 ans ago

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Make a diamond

Given n, odd number > 1, return n by n matrix consist of "null" and "*" characters arranged like a diamond. No toolbox funct...

plus de 4 ans ago