From: An open day in the metric space Fig. 1. Distance of two points in the plane. From: An open day in the metric space Teaching Mathematics Applications. Published online July 03, 2017. doi:10.1093/teamat/hrw025 Teaching Mathematics Applications | © The Author 2017. Published by Oxford University Press on behalf of The Institute of Mathematics and its Applications. All rights reserved. For permissions, please email: journals.permissions@oup.com
From: An open day in the metric space Fig. 2. Distance of two points in a city map. From: An open day in the metric space Teaching Mathematics Applications. Published online July 03, 2017. doi:10.1093/teamat/hrw025 Teaching Mathematics Applications | © The Author 2017. Published by Oxford University Press on behalf of The Institute of Mathematics and its Applications. All rights reserved. For permissions, please email: journals.permissions@oup.com
From: An open day in the metric space Fig. 3. Distance in a network. From: An open day in the metric space Teaching Mathematics Applications. Published online July 03, 2017. doi:10.1093/teamat/hrw025 Teaching Mathematics Applications | © The Author 2017. Published by Oxford University Press on behalf of The Institute of Mathematics and its Applications. All rights reserved. For permissions, please email: journals.permissions@oup.com
From: An open day in the metric space Fig. 4. Distance of two functions. From: An open day in the metric space Teaching Mathematics Applications. Published online July 03, 2017. doi:10.1093/teamat/hrw025 Teaching Mathematics Applications | © The Author 2017. Published by Oxford University Press on behalf of The Institute of Mathematics and its Applications. All rights reserved. For permissions, please email: journals.permissions@oup.com
From: An open day in the metric space Fig. 5. A convergent sequence of functions (left) and a non-convergent sequence (right). From: An open day in the metric space Teaching Mathematics Applications. Published online July 03, 2017. doi:10.1093/teamat/hrw025 Teaching Mathematics Applications | © The Author 2017. Published by Oxford University Press on behalf of The Institute of Mathematics and its Applications. All rights reserved. For permissions, please email: journals.permissions@oup.com