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Ogita Lab
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The lab studies how to compute with mathematically guaranteed bounds on the errors hidden in computer calculations.
AboutAbout the lab
Guaranteeing numerical errors with mathematics
Ogita Lab mainly studies verified numerical computation.
In numerical computation on computers, errors arise from sources such as the rounding of numbers.
The lab studies methods that compute while mathematically guaranteeing the bounds within which those errors lie.
Key terms
- verified numerical computation
- A method of numerical computation that mathematically guarantees how much error the computed result contains
- numerical computation
- Computation that uses a computer to find approximate numerical answers, such as solutions of equations
NewsLab news
A paper by Senior Researcher Terao et al. was published in Special Matrices
A paper by Professor Ogita et al. was published in SIAM Journal on Matrix Analysis and Applications
A paper by Professor Ogita et al. was published in Japan Journal of Industrial and Applied Mathematics
A paper by Professor Ogita et al. was published in BIT Numerical Mathematics
ResearchResearch themes
The lab mainly studies verified numerical computation. It pursues methods of computing that mathematically guarantee the errors that accompany numerical computation on computers.
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MembersFaculty
The members of Ogita Lab are faculty, master's students, and undergraduate students.As of 2026
- ProfessorTakeshi Ogita
- Chief Researcher (Associate Professor, Research Institute)Takeshi Terao
VoicesStudent voices
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Write a lab reviewAnonymous · Your draft is saved if you stopRelatedLabs similar to Ogita Lab
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “U.s.-kilogram-masses” National Institute of Standards and Technology / Public domain (cropped)
- Verified numerical computation: “An engineer's vise (jaws)” Dmitry Makeev / CC BY-SA 4.0 (cropped)
- Related lab (Kashiwagi Lab): “Convergence of Iterative Numerical Methods for Poisson System with 16384 elements” ansariddle / CC BY-SA 4.0 (cropped)
- Related lab (Liu Lab): “Triangular wave and square wave on oscilloscope screen (cropped)” User:Xato / CC0 (cropped)
- Related lab (Hayamizu Lab): “Petersen graph total coloring” Vinod kalagi / CC BY-SA 4.0 (cropped)
- Related lab (Ohmoto Lab): “Ripples dispersing sunlight into underwater rainbows in Brofjorden” W.carter / CC BY-SA 4.0 (cropped)
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