Create quadraticSolver.m

mcafaro · Feb 5, 2024 · 05a77b3 · 05a77b3
1 parent a779c01
commit 05a77b3
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/subfolder/quadraticSolver.m b/subfolder/quadraticSolver.m
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+function roots = quadraticSolver(a,b,c)
+% quadraticSolver returns solutions to the
+% quadratic equation a*x^2 + b*x + c = 0.
+
+if ~isa(a,'numeric') || ~isa(b,'numeric') || ~isa(c,'numeric')
+    error('quadraticSolver:InputMustBeNumeric', ...
+        'Coefficients must be numeric.');
+end
+
+roots(1) = (-b + sqrt(b^2 - 4*a*c)) / (2*a);
+roots(2) = (-b - sqrt(b^2 - 4*a*c)) / (2*a);
+
+end