# pign_an

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Stress-Strain Properties - 7

The toughness of a material is technically defined as the plastic strain energy absorbed by the material (the olive region in th...

1 month ago

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Stress-Strain Properties - 6

The total energy absorbed by a material up to failure in a tensile test is termed the absorbed strain energy. With respect to th...

1 month ago

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Stress-Strain Properties - 5

Similar to the previous problem, materials may be characterized by their stiffness-to-weight ratio, which is the elastic modulus...

1 month ago

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Stress-Strain Properties - 4

A common measure of the ability of a material to carry load per unit mass is termed strength-to-weight ratio and is calculated b...

1 month ago

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Stress-Strain Properties - 3

A brittle material will not exhibit a yield point. In other words, the yield point and failure point coincide. In such cases, th...

1 month ago

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Stress-Strain Properties - 2

The resilience of a material is its ability to resist permanent (or plastic) deformation. The resilience coincides with the elas...

1 month ago

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Stress-Strain Properties - 1

This is the first in a series of problems regarding mechanics of materials, in particular, material properties drawn from stress...

1 month ago

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Young's modulus

Given a value of <http://en.wikipedia.org/wiki/Young_modulus Young's modulus> (Y) expressed on MegaPascal, convert it to the uni...

1 month ago

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Determine whether a number is unprimeable

The number 204 is unprimeable because no single digit can be changed to make it prime. In contrast, the number 207 is not unprim...

2 months ago

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Determine if input is odd

Given the input n, return true if n is odd or false if n is even.

4 months ago

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Counting Money

Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

4 months ago

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Nearest Numbers

Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

4 months ago

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Sort a list of complex numbers based on far they are from the origin.

Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

4 months ago

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Remove all the words that end with "ain"

Given the string s1, return the string s2 with the target characters removed. For example, given s1 = 'the main event' your ...

4 months ago

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Most nonzero elements in row

Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

4 months ago

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Quote Doubler

Given a string s1, find all occurrences of the single quote character and replace them with two occurrences of the single quote ...

4 months ago

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Find relatively common elements in matrix rows

You want to find all elements that exist in greater than 50% of the rows in the matrix. For example, given A = 1 2 3 5 ...

4 months ago

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Pascal's Triangle

Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

4 months ago

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Return a list sorted by number of occurrences

Given a vector x, return a vector y of the unique values in x sorted by the number of occurrences in x. Ties are resolved by a ...

4 months ago

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Which values occur exactly three times?

Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...

4 months ago