Fibonacci in Powershell (original) (raw)
Published on 24 May 2025 (Updated: 24 May 2025)
Welcome to the Fibonacci in Powershell page! Here, you'll find the source code for this program as well as a description of how the program works.
Current Solution
function Show-Usage() {
Write-Host "Usage: please input the count of fibonacci numbers to output"
Exit 1
}
function Show-Fibonacci([int]$Value) {
if ($Value -gt 0) {
<span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>A</mi><mo separator="true">,</mo></mrow><annotation encoding="application/x-tex">A, </annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8778em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">A</span><span class="mpunct">,</span></span></span></span>B = 0, 1
1..$Value | ForEach-Object {
<span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>A</mi><mo separator="true">,</mo></mrow><annotation encoding="application/x-tex">A, </annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.8778em;vertical-align:-0.1944em;"></span><span class="mord mathnormal">A</span><span class="mpunct">,</span></span></span></span>B = <span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>B</mi><mo separator="true">,</mo><mo stretchy="false">(</mo></mrow><annotation encoding="application/x-tex">B, (</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord mathnormal" style="margin-right:0.05017em;">B</span><span class="mpunct">,</span><span class="mspace" style="margin-right:0.1667em;"></span><span class="mopen">(</span></span></span></span>A + $B)
Write-Host "${_}: $A"
}
}
}
if ($args.Length -lt 1) {
Show-Usage
}
try {
<span class="katex"><span class="katex-mathml"><math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mi>V</mi><mi>a</mi><mi>l</mi><mi>u</mi><mi>e</mi><mo>=</mo><mo stretchy="false">[</mo><mi>i</mi><mi>n</mi><mi>t</mi><mo stretchy="false">]</mo><mo>:</mo><mo>:</mo><mi>P</mi><mi>a</mi><mi>r</mi><mi>s</mi><mi>e</mi><mo stretchy="false">(</mo></mrow><annotation encoding="application/x-tex">Value = [int]::Parse(</annotation></semantics></math></span><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:0.6944em;"></span><span class="mord mathnormal">Va</span><span class="mord mathnormal" style="margin-right:0.01968em;">l</span><span class="mord mathnormal">u</span><span class="mord mathnormal">e</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">=</span><span class="mspace" style="margin-right:0.2778em;"></span></span><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mopen">[</span><span class="mord mathnormal">in</span><span class="mord mathnormal">t</span><span class="mclose">]</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">::</span><span class="mspace" style="margin-right:0.2778em;"></span></span><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord mathnormal" style="margin-right:0.13889em;">P</span><span class="mord mathnormal">a</span><span class="mord mathnormal">rse</span><span class="mopen">(</span></span></span></span>args[0])
} catch {
Show-Usage
}
if ($Value -lt 0) {
Show-Usage
}
Show-Fibonacci $Value
Fibonacci in Powershell was written by:
- rzuckerm
If you see anything you'd like to change or update, please consider contributing.
How to Implement the Solution
No 'How to Implement the Solution' section available. Please consider contributing.
How to Run the Solution
No 'How to Run the Solution' section available. Please consider contributing.