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Find the nth term in the digit inventory sequence

3 months ago

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Find the smallest integer m such that n divides m!
Write a function that takes an integer and finds the smallest integer whose factorial is divisible by . For example, if , then...

3 months ago

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Round up to π

3 months ago

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Sum the elements in rows of the Levine triangle
The Levine triangle starts as follows: Row 0: 2 Row 1: 1 1 Row 2: 1 2 Row 3: 1 1 2 To construct each row, r...

3 months ago

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Compute a row of the Kimberling shuffle

3 months ago

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Iterate the sum of divisors and totient

3 months ago

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Compute expulsions from the Kimberling shuffle

3 months ago

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Solve a nonlinear difference equation

3 months ago

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Compute the largest number possible with the Brussels choice

3 months ago

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Compute the effective conductivity of more heterogeneous aquifers
Cody Problem 52070 asked for a function to compute the effective hydraulic conductivity of a heterogeneous aquifer—or the single...

3 months ago

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Deduce the pattern behind the sequence

3 months ago

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Design a well field in an infinite aquifer
A well field provides water for a community. The design of a well field involves a goal to meet a specified service demand (i.e...

3 months ago

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Determine aquifer properties: slug test
An important task in characterizing the flow of groundwater is to determine the properties of the aquifer, or the underground wa...

3 months ago

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Determine aquifer properties: steady pump test in a leaky confined aquifer
Problem statement Write a function to determine the hydraulic conductivity of a leaky confined aquifer and the hydraulic condu...

3 months ago

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Find terms in the Connell sequence

3 months ago

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Check a scheme to dewater a construction area
In addition to supplying water and capturing contaminants, wells can be used to lower the water table in a construction area. In...

3 months ago

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Generate a list of composite numbers

3 months ago

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Stress-Strain Properties - 8
Up to this point, you've calculated some material properties based on tensile stress-strain data. For this problem, you are task...

3 months ago

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Design a capture zone
One approach to remediating a contaminated site is to pump and treat the contaminated groundwater. If the site has background fl...

3 months ago

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List numbers that are not squares
The numbers 2, 3, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 17, etc. are not perfect squares. Write a function to list the th term in ...

3 months ago

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Construct the Seidel-Entringer-Arnold triangle
Several problems in Cody ask us to construct part or all of triangles in which entries follow a pattern. Cody Problems <https://...

3 months ago

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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 plastic region in ...

3 months ago

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Compute the harmonic numbers
The nth <https://mathworld.wolfram.com/HarmonicNumber.html harmonic number> is defined as the sum of the reciprocals of the inte...

3 months ago

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Compute steady drawdown in a confined aquifer
A well extracting water from a confined aquifer will lower the piezometric head and create a cone of depression. In steady state...

3 months 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...

3 months ago

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Locate image wells
A mathematical model of wells pumping groundwater near a boundary can be constructed using the method of images, which is also u...

3 months ago

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Determine aquifer properties: steady pump test in confined or unconfined aquifers
Problem statement Write a function to determine the hydraulic conductivity and radius of influence using data from a steady p...

3 months ago

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Compute the maximum length of a contaminant plume in groundwater
Problem statement Write a function to compute the maximum length of a contaminant plume for steady, one-dimensional transport ...

3 months ago

Solved

Compute piezometric head in a leaky confined aquifer
Problem statement Write a function to compute the piezometric head in a leaky confined aquifer and the position of a groundwat...

3 months ago

Solved

Compute the water table elevation in an unconfined aquifer with recharge
Problem statement Write a function to compute the water table elevation above the bottom of the aquifer and the position of a ...

3 months ago