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Probleem 4 Beskou weer die probleem van die vier sirkels van Opdrag 1, Probleem 5. Gebruik die funksies wat daar ontwikkel is (jou eie

 

Probleem 4 Beskou weer die probleem van die vier sirkels van Opdrag 1, Probleem 5. Gebruik die funksies wat daar ontwikkel is (jou eie of di van die beskikbare oplossings) om die probleme hieronder op te los. (a) Teken 'n grafiek van die afstand tussen C en C as 'n funksie van R, vir 5 R 30 cm. (Alle ander R waardes bly konstant met waardes soos onder.) Jy mag 'n for-loop gebruik om deur R waardes te stap (maar kyk eers of jy dit kan vermy). Problem 4 (b) Gebruik fzero om die waarde van R te bereken sodat die afstand tussen C en C4 gelyk is aan 30 cm. Gebruik die grafiek van deel (a) om 'n goeie aanvanklike skatting te verkry. (c) Bereken die waarde van R sodat elke sirkel aldrie die ander raak soos aangedui in die figuur regs. R R3 6.5 cm 12 cm R9.5 cm Consider again the problem of the four circles of Assignment 1, Problem 5. Use the functions de- veloped there (your own or those of the available. solutions) to solve the problems below. (a) Plot the distance between C and C as a function of R, for 5 R 30 cm. (All other R values are to be kept constant at the values below.) You may use a for-loop to loop through R values (but first see if you can avoid it.) (b) Use fzero to compute the value of R for which the distance between C and C4 equals 30 cm. Use the graph of part (a) to obtain a good initial guess. (c) Compute the value of R so that each circle touches all of the others as shown in the figure on the right. C C Probleem 4 Beskou weer die probleem van die vier sirkels van Opdrag 1, Probleem 5. Gebruik die funksies wat daar ontwikkel is (jou eie of di van die beskikbare oplossings) om die probleme hieronder op te los. (a) Teken 'n grafiek van die afstand tussen C en C as 'n funksie van R, vir 5 R 30 cm. (Alle ander R waardes bly konstant met waardes soos onder.) Jy mag 'n for-loop gebruik om deur R waardes te stap (maar kyk eers of jy dit kan vermy). Problem 4 (b) Gebruik fzero om die waarde van R te bereken sodat die afstand tussen C en C4 gelyk is aan 30 cm. Gebruik die grafiek van deel (a) om 'n goeie aanvanklike skatting te verkry. (c) Bereken die waarde van R sodat elke sirkel aldrie die ander raak soos aangedui in die figuur regs. R R3 6.5 cm 12 cm R9.5 cm Consider again the problem of the four circles of Assignment 1, Problem 5. Use the functions de- veloped there (your own or those of the available. solutions) to solve the problems below. (a) Plot the distance between C and C as a function of R, for 5 R 30 cm. (All other R values are to be kept constant at the values below.) You may use a for-loop to loop through R values (but first see if you can avoid it.) (b) Use fzero to compute the value of R for which the distance between C and C4 equals 30 cm. Use the graph of part (a) to obtain a good initial guess. (c) Compute the value of R so that each circle touches all of the others as shown in the figure on the right. C C

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