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When I learned the following basic formula of indefinite integrals in the calculus,at that time I was a teenager,the strange ideas had jump out my head.I would be a great girl in math if I can change all the ? in the following formula to the real functions 相似文献
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In mathematics and computational science,the Euler’s Method,named after Leonhard Euler,is a first-order numerical procedure for solving ordinary differential equations (ODEs) with 相似文献
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Solution: Since we know y=f(x)=x2+x-1, so get the initial value at x=1, which is f(1)=1,and also we can get y’=2x+1. 相似文献
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When a particle moves on the plane,it can be described uncounted points corresponding to coordinates in a Cartesian coordinate system with the same unit on the each axis.However,not all the processes are convenient to express y in terms x.At times a relationship between x and y in terms of a third variable which is a various time t,is mexessary. 相似文献
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A continuous process is a person who draws the curve without a break,or,takes place gradually without interruption. Those are a daily language in continuity. However,in calculus,we notice that the limit of a function as x approaches a can often be found simply by calculating the value of the function at a. It means a continuous function 相似文献
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<正>In this paper you will learn the basic integration rule from the basic differentiation rule.Last time we have learned anti-derivative,indefinite integral,and the power rule in integration.Let us recall what the power rule in differentiation is.If n is a real number,and y=xn,then y'=nxn-1.Proof:Let y=xn,we get ln|y|=ln|xn|,Since ln|xn|=n ln|x|,so we get ln|y|=n ln|x|.Take differentiation for both side above:y'y=n x. 相似文献
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<正>We know the Substitution Rule,which is based on the following identity in differentiation.∫f(g(x))g′(x)dx=∫f(u)du(where u=g(x)).Now,we'll talk about how to use the method of the improvising differentiation,and give some examples by using basic 相似文献
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1. What does the definite integral mean?
The definite integral off(x) from a to b is defined the limit of the sum as n→∞. 相似文献
The definite integral off(x) from a to b is defined the limit of the sum as n→∞. 相似文献