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Blog
Insights by Harumi
Insights by Harumi
Turning complex decisions into clear strategies
Turning complex decisions into clear strategies
Math Modeling
What Are Variables and Constraints in Operations Research?
Discover how “variables” (your choices) and “constraints” (the rules) power optimization models, explained with an easy bakery example and a quick checklist.
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Math Modeling
What Are Variables and Constraints in Operations Research?
Discover how “variables” (your choices) and “constraints” (the rules) power optimization models, explained with an easy bakery example and a quick checklist.
Read more
Math Modeling
What Are Variables and Constraints in Operations Research?
Discover how “variables” (your choices) and “constraints” (the rules) power optimization models, explained with an easy bakery example and a quick checklist.
Read more
Solvers
Free Math Solvers for Operations Research
At harumi.io, you can run Operations Research models with free solvers like GLPK, CBC, and HiGHS, making optimization accessible without licensing costs.
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Solvers
Free Math Solvers for Operations Research
At harumi.io, you can run Operations Research models with free solvers like GLPK, CBC, and HiGHS, making optimization accessible without licensing costs.
Read more

Solvers
Free Math Solvers for Operations Research
At harumi.io, you can run Operations Research models with free solvers like GLPK, CBC, and HiGHS, making optimization accessible without licensing costs.
Read more

Operations research
Difference Between Applied Mathematics and Operations Research: Key Concepts, Applications, and Career Paths
Explore the key distinctions and overlaps between applied mathematics and operations research, from core methods to real-world applications and career paths.
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Operations research
Difference Between Applied Mathematics and Operations Research: Key Concepts, Applications, and Career Paths
Explore the key distinctions and overlaps between applied mathematics and operations research, from core methods to real-world applications and career paths.
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Operations research
Difference Between Applied Mathematics and Operations Research: Key Concepts, Applications, and Career Paths
Explore the key distinctions and overlaps between applied mathematics and operations research, from core methods to real-world applications and career paths.
Read more

Study Materials
Top 7 Operations Research Books You Should Know
Explore 7 essential Operations Research books, from timeless classics to modern, data-driven applications.
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Study Materials
Top 7 Operations Research Books You Should Know
Explore 7 essential Operations Research books, from timeless classics to modern, data-driven applications.
Read more

Study Materials
Top 7 Operations Research Books You Should Know
Explore 7 essential Operations Research books, from timeless classics to modern, data-driven applications.
Read more

Operations Research
How to identify optimization problems at your company
Learn how to identify and tackle optimization problems before they escalate. Discover the impact of exponential complexity and how to spot inefficiencies.
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Operations Research
How to identify optimization problems at your company
Learn how to identify and tackle optimization problems before they escalate. Discover the impact of exponential complexity and how to spot inefficiencies.
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Operations Research
How to identify optimization problems at your company
Learn how to identify and tackle optimization problems before they escalate. Discover the impact of exponential complexity and how to spot inefficiencies.
Read more

Operations research
What is Operations Research and how does it work?
Discover what Operations Research is, how it works, and how it drives efficiency in sectors like logistics, healthcare, and manufacturing.
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Operations research
What is Operations Research and how does it work?
Discover what Operations Research is, how it works, and how it drives efficiency in sectors like logistics, healthcare, and manufacturing.
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Operations research
What is Operations Research and how does it work?
Discover what Operations Research is, how it works, and how it drives efficiency in sectors like logistics, healthcare, and manufacturing.
Read more

Operations research
P versus NP
The P versus NP problem is one of the most important and unsolved questions in computer science, with deep implications for algorithms, cryptography, and the limits of computation.
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Operations research
P versus NP
The P versus NP problem is one of the most important and unsolved questions in computer science, with deep implications for algorithms, cryptography, and the limits of computation.
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Operations research
P versus NP
The P versus NP problem is one of the most important and unsolved questions in computer science, with deep implications for algorithms, cryptography, and the limits of computation.
Read more

Releases
Harumi Platform Beta Release
We are excited to announce the Beta Release of Harumi Platform, now available at platform.harumi.io!
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Releases
Harumi Platform Beta Release
We are excited to announce the Beta Release of Harumi Platform, now available at platform.harumi.io!
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Releases
Harumi Platform Beta Release
We are excited to announce the Beta Release of Harumi Platform, now available at platform.harumi.io!
Read more

Operations Research
The Essential Foundations of Operations Research
Master math models, classic problems, decomposition techniques, and heuristics to excel in Operations Research, says Victor Pimenta, Head at Mercado Livre.
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Operations Research
The Essential Foundations of Operations Research
Master math models, classic problems, decomposition techniques, and heuristics to excel in Operations Research, says Victor Pimenta, Head at Mercado Livre.
Read more

Operations Research
The Essential Foundations of Operations Research
Master math models, classic problems, decomposition techniques, and heuristics to excel in Operations Research, says Victor Pimenta, Head at Mercado Livre.
Read more

Workforce scheduling optimization
Work Shift Optimization
Scheduling workers balances costs and demand using permanent and temporary staff. Advanced algorithms optimize efficiency, production time, costs, and worker satisfaction
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Workforce scheduling optimization
Work Shift Optimization
Scheduling workers balances costs and demand using permanent and temporary staff. Advanced algorithms optimize efficiency, production time, costs, and worker satisfaction
Read more

Workforce scheduling optimization
Work Shift Optimization
Scheduling workers balances costs and demand using permanent and temporary staff. Advanced algorithms optimize efficiency, production time, costs, and worker satisfaction
Read more

Operations research
Operational research in the food sector
Swift & Company, now JBS, used 45 Operations Research models to optimize meat operations, improving metrics and achieving 200% ROI in the 1st year.
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Operations research
Operational research in the food sector
Swift & Company, now JBS, used 45 Operations Research models to optimize meat operations, improving metrics and achieving 200% ROI in the 1st year.
Read more

Operations research
Operational research in the food sector
Swift & Company, now JBS, used 45 Operations Research models to optimize meat operations, improving metrics and achieving 200% ROI in the 1st year.
Read more

Use cases
Operational research at Amazon: solutions for logistical challenges
Amazon faces operational challenges with operations research solutions and algorithms through its SCOT team, ensuring efficiency and customer satisfaction.
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Use cases
Operational research at Amazon: solutions for logistical challenges
Amazon faces operational challenges with operations research solutions and algorithms through its SCOT team, ensuring efficiency and customer satisfaction.
Read more

Use cases
Operational research at Amazon: solutions for logistical challenges
Amazon faces operational challenges with operations research solutions and algorithms through its SCOT team, ensuring efficiency and customer satisfaction.
Read more

Operations research
Operational Research Analyst: One of the Fastest Growing Jobs
By 2030, more 25k operational researchers will be needed in the United States, making it one of the top 20 growing jobs this decade.
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Operations research
Operational Research Analyst: One of the Fastest Growing Jobs
By 2030, more 25k operational researchers will be needed in the United States, making it one of the top 20 growing jobs this decade.
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Operations research
Operational Research Analyst: One of the Fastest Growing Jobs
By 2030, more 25k operational researchers will be needed in the United States, making it one of the top 20 growing jobs this decade.
Read more

Use cases
FedEx: The Logistics Revolution Through Operational Research
Discover how FedEx used Operations Research to revolutionize global logistics by optimizing routes, fleets, and resources, ensuring efficiency and continuous innovation.
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Use cases
FedEx: The Logistics Revolution Through Operational Research
Discover how FedEx used Operations Research to revolutionize global logistics by optimizing routes, fleets, and resources, ensuring efficiency and continuous innovation.
Read more

Use cases
FedEx: The Logistics Revolution Through Operational Research
Discover how FedEx used Operations Research to revolutionize global logistics by optimizing routes, fleets, and resources, ensuring efficiency and continuous innovation.
Read more

© 2025 HARUMI LLC
Delaware, USA
© 2025 HARUMI LLC
Delaware, USA
© 2025 HARUMI LLC
Delaware, USA