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City College of New York
University of Chicago (Master's)
Columbia College Columbia University (Master's)
Private Math, Physics, Statistics Tutoring on ALL LEVELS!
Promise to show “beyond the cookbook” solutions for any problem --- real understanding is the key!
While “cookbook methods” will work on some sample problems, they will not work on real tests!
My real specialty is Advanced Statistics, but I also specialize in pretty much all other areas in Math, Physics and Statistics: Algebra, Calculus, Geometry as well as more advanced areas (like Linear Algebra, Multivariate Calculus, etc.).
In Physics, my specialties include all the areas of AP Physics: Projectile Motion, Newton's Laws, Conservation of Energy, Electricity and Magnetism, Oscillations Equations, Waves, Optics, etc.
In Statistics, we cover Discrete and Continuous distribution, Sampling Distributions (including Confidence Intervals), Null Hypothesis testing, etc.
Here is a nice example of a problem which does not require any advanced math, but still just as interesting:
find: S = 1+ 2 + 3 + … 998 + 999 + 1000?
Solution is replace all the additions with ONE MULTIPLICATION!
My approach is to ensure that the student really understands the subject matter. It's always better to go slow so that the student is not overwhelmed by too much new material. It's also great when a particular problem can be analyzed in a number of different ways which will "converge" on the same answer. In addition, I like to assign some of my own homework which will hopefully make student think about some of the concepts in a "deeper way". I also really like and try to emulate the approach of Gilbert Strang from MIT (great professor of Linear Algebra). His approach is to ask the right questions and guide students towards the logical answers. Private Math, Physics, Statistics Tutoring on ALL LEVELS!
Promise to show “beyond the cookbook” solutions for any problem --- real understanding is the key!
… Read more
Rate is somewhat negotiable depending on the subject with more advanced subjects (e.g. calculus and statistics) being at the top, while rate for algebra and geometry would be somewhat lower.
Igor is one of the best tutors in science/math that we have had. He has made learning AP Physics for my high school junior an enjoyable and successful journey. Igor has a high technical knowledge of Physics and math-based science on the level of a college professor, yet has a warm and highly interactive approach to explaining and teaching to a high school student. It is rare to find a highly qualified science/math tutor who also demonstrates a strong enthusiasm and encouragement for his pupil. He has made learning a challenging college-level science course a successful process for my son. Lastly, Igor is highly reliable with his time and schedule. We highly recommend him!
Igor was a wonderful match for my 16 year old to prepare her for AP Physics test. He went out of his way to accommodate us in his very busy schedule, he was organized, a positive motivator and inspired my daughter. Igor made the lesson fun, gave her great ideas on how to approach the test, gave her extra homework to focus on. He broke down the material in sections for her that was easily understandable and manageable and I highly recommend him. I will use Igor without hesitation if I ever need a tutor again for my daughter.
Igor has done a great job at tutoring my son in AP Physics. He has been very patient, diligent and willing to accommodate our schedule and the initial needs of our son. I would recommend Igor to any parent / student who is looking for help with Physics or AP Physics.
While my daughter was studying for the AP Statistics exam she realized she needed help getting a handle on the volume of the material and some of the concepts. She had gotten 2's on her practice exams. Igor was able to assess where she needed help and diligently worked with her to understand the concepts she was weak in. He was very patient and was able to teach her things in a way she could better understand them. Most of all my daughter enjoyed working with him because of his upbeat, positive personality. He really gave her the confidence she needed to take the test. We would highly recommend him to anyone.
Igor seems to be a great fit for my daughter. He is always very efficient and thorough, and is
happy to review previous work, and continue to go
forward on other topics. My daughter is gaining a better understanding from Igor than she has had all year with her Algebra 2 teacher in school. Thank you, thank you Igor for being such a wonderful tutor.
Igor was very thorough and helpful at explaining material in more understandable terms. He went above and beyond and reviewed my material ahead of time so that he was prepared before the session and also supplying material for me to work on in preparation for the next tutoring session. I would highly recommend him as a tutor! Many thanks, Igor!
As a graduate student, it is a challenge to find a tutor to help with problem sets and exam preparation. It has been fantastic working with Igor, he is very knowledgeable and has a great teaching style.
Igor has helped me with courses in linear regression and time series analysis. He is able to explain the underlying concepts and theories in a very clear and intuitive way and has helped me to better understand the connections between various topics in regression, time series and mathematical statistics. He's also provided incredibly helpful refreshers on linear algebra, trigonometry and other more basic undergrad level math concepts that can be easy to forget. I would highly recommend Igor.
Igor tutored me in college level statistics and made it easier for me to grasp, learn and pass my course. He was approachable, patient and easy to learn from.
Igor was a pleasure to work with. He was quick to respond, and we found a meeting time the very next day. We met at a local Starbucks, and he brought his tablet which made for great interaction, visuals, and further understanding. He was extremely knowledgeable in the understanding of calculus, derivatives, L'hopital's rule, indeterminate form, and explaining the real-world use of these things. I look forward to working with him again, and would highly recommend him!
Igor has been helping my three kids regularly for almost a year. He is very patient and can teach a wide range of mathematical subjects. I have three kids that require tutoring in basic word problems (5th grade), freshman-level Algebra 1 and sophomore-level Geometry. My kids really enjoy working with Igor and we are happy that we found him.
Igor is very knowledgeable in Math and was able to answer my questions related to a test I had taken for Algebra 2. He also gave me some tips to remember how to better remember what I should do in certain situations, i.e. determining the domain for a quadratic function when there are restrictions.
Igor, Thank you for the time with my son breaking through the obstacles he's been challenged with. The goal is to start Junior year with the basics understood and ready to tackle the new content. Working with you weekly will ensure he's on track.
Very knowledgeable about the subject. Igor went above and beyond to make you understand the concepts. Statistics is not my forte and I can assure you after contacting Igor I can say that I am more knowledgeable now about statistics than I was a few weeks ago. Super!
Where do I begin? Igor came up with a genius approach for tutoring me. He simplified everything and taught me the concepts. Before him I had a negative amount of knowledge on statistics. I would be lucky if I could even find the room number. But solely because of Igor, I can now walk in confident enough to pass the class even with the worst of teachers. I owe it all to Igor.
Igor was a tremendous help to me as I took a college summer calculus course. Igor always arrived on time and with a specific lesson plan for each session. Igor took the time to ensure I understood the basic "intuition" behind concepts before we moved on to the complex problems, making the learning process much easier for me. Igor also took the time to come up with his own practice problems specifically catered toward my course. Igor's availability was fantastic as well- he worked around my extremely busy work schedule to fit lessons in. Igor was completely flexible and had no problem coming to tutor me late at night or on the weekends if I needed it. He was also very responsive to emails and phone calls - he even called me the day of my final exam (from his work line) to go over a few questions I had. Overall I highly recommend Igor. Thanks to Igor I significantly improved my understanding of calculus and my performance in the course. I would hire him again for tutoring without hesitation.
Igor is a very effective tutor. Not only did he clearly explain difficult math concepts to my son, but he also gave him the confidence to try much more challenging math problems. Since working with Igor, my son now enjoys math and is willing to put in much more effort.
I recently completed an intense 3-week Statistics course at UConn, delivered online. I was completely at sea given the sheer amount of material and the demanding requirements. I was fortunate to engage Igor as my tutor. Igor's mastery of the subject was only exceeded by his ability to help me comprehend the concepts. I was impressed by Igor's availability and responsiveness around the clock. When someone loves what they are doing, it is very visible. Igor's commitment and ethics are very impressive. Thank You, Igor!!!
My son -facing last minute "school needs"- was very reluctant to ask/accept help. When he finally did it was only a couple of days prior to his AP Stats exam. Luckily we found Igor.
Igor -without knowing us- went several "extra miles". More importantly through his -"many angles" approach- he connected well with my son who seems to enjoy being challenged and sometimes easily distracted. After the first meeting my son kept emailing him with questions, he answered all questions in a very timely manner.
This is what my son wrote:
Igor is a very good tutor because of his style. He cares more about understanding and it makes his lessons more universal and make them translatable to whatever class. He also has a lot of other practical and interesting information that is also very helpful. Something that separates him is his willingness to help and come whenever.
Igor was an amazing help for me in both Calculus and Statistics! After meeting with him, I passed both classes with a much better grade than expected! He was very easy to get in touch with and always had time to help. He worked around my schedule and was very conscientious about using the time wisely. He is very skilled in both Calculus and Statistics and is genuinely interested in mathematics. He follows up on every meeting to see how a test or quiz went and then makes time to go over it with you. I would recommend Igor to anyone, including friends and family!
Igor has been tutoring my daughter in honors geometry. He is easy to contact and responds to emails very quickly. My daughter says the tutoring sessions have been very helpful and that Igor explains things very well. Igor is also very enthusiastic about math and has great energy! We are very satisfied with the arrangement and are so happy to have found Igor and WyzAnt!
He was very knowledgeable about the Math subjects in particular, is very patient, and a great tutor overall. I would recommend him to anyone.
Igor gave me outside resources and was very flexible in scheduling, location and material coverage. I would definitely recommend him. Nice guy too, and very good at ping-pong!
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I am an experienced actuarial science instruction with a master's degree in Financial Math and certification from SOA.
Probability distributions, conditional probabilities, expectations, moment generating functions; we cover it all...
Understanding Differential Equations is an integral part of the my Financial Math degree.
In fact, Black Scholes equation is really a partial differential equations which is "one step higher" as compared to the Ordinary Differential Equations.
In addition, I've taken classes have expertise in the following types of ODE's:
--- ODE's with "separable variables"
--- first-order linear ODE's
--- linear homogeneous and non-homogeneous ODE's
--- systems of linear first order ODE's
Linear Algebra is a big part of Risk Management and Portfolio Construction in Financial Math. In addition to my MS in FinMath from University of Chicago, I've also passed the final exam in Advanced Risk and Portfolio Management Bootcamp.
Estimating covariance matrix and diagonalizing it via eigenvectors and their eigenvalues is an exercise which I've done many times in the past.
Another area which comes up many times in Financial Math and inseparably related to Linear Algebra is Regression Analysis, i.e. x_hat = (A_t*A)^(-1) * (A_t*b).
Yet another area of my expertise (and also connected to Financial Math) is the notion of positive definite matrix (like covariance matrix) or positive semi-definite matrix. This is closely related to calculating the variance of the portfolio via Var = x_t*sigma*x (the idea that covariance matrix is positive definite is the same as stating that portfolio could not possibly have negative variance, no matter what the weights of the constituent securities are). This is also related to the idea of symmetric matrices and why their eigenvalues have to be real (easily shown with linear algebra equations).
I've been using Matlab for over eight years since I started my master's degree in financial math at University of Chicago.
Since then, I've done numerous projects in Matlab both academically and professionally while working as a Desk Quant at Hedge Funds.
In many ways, properly using and understanding Matlab parallels my knowledge of linear algebra.
Once one understands how to set up a problem using vectors and matrices, Matlab makes it easy to "take it from there".
Igor Z. passed a background check on 12/3/12. The check was ordered by Igor through First Advantage. For more information, please review the background check information page.
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